NB2_EDA_BDP Final Project_Kshitijm.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "ac0ef949-10cf-4d41-9f62-86f9024085d4",
   "metadata": {},
   "source": [
    "## Notebook 2 - EDA (Conducted on New Data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "6e40c91c-8c51-4c06-9b4b-a8f2e62cb721",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3.8.15 | packaged by conda-forge | (default, Nov 22 2022, 08:46:39) \n",
      "[GCC 10.4.0]\n",
      "3.1.3\n"
     ]
    }
   ],
   "source": [
    "import sys\n",
    "print(sys.version)\n",
    "print(spark.version)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "e53028db-b351-4cd7-ab10-827d9f9abafc",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np\n",
    "pd.set_option('display.max_colwidth', None)\n",
    "pd.reset_option('display.max_rows')\n",
    "from itertools import compress \n",
    "from pyspark.sql.functions import *\n",
    "from pyspark.sql.types import *\n",
    "import seaborn as sns\n",
    "import matplotlib.pyplot as plt\n",
    "warnings.filterwarnings(action='ignore')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "bb532e0c-caae-4c85-a3b6-23d2e6ebf289",
   "metadata": {},
   "outputs": [],
   "source": [
    "import seaborn as sns\n",
    "import matplotlib.pyplot as plt\n",
    "%config InlineBackend.figure_format = 'svg'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "4fd0ee04-b91e-45f5-a184-dec5b0bd416e",
   "metadata": {},
   "outputs": [],
   "source": [
    "#pip install -U regex"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "f77729c5-f7da-4e59-9d85-f919c05b390e",
   "metadata": {},
   "outputs": [],
   "source": [
    "pd.set_option(\"max_colwidth\", 100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "2ee08f51-a4fe-4613-b5e6-e14d532cb1c8",
   "metadata": {},
   "outputs": [],
   "source": [
    "from google.cloud import storage\n",
    "# !pip install gcsfs --upgrade"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "51e4207f-d6a0-4738-9826-c5cffa716816",
   "metadata": {},
   "source": [
    "### Setting Up Helper Functions"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "ef2cbb3a-bdd6-406b-9614-32c1fab5415c",
   "metadata": {},
   "outputs": [],
   "source": [
    "spark.conf.set(\"spark.sql.repl.eagerEval.enabled\",True)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7478d8d2-2a95-479b-99ae-9371ac9cd9ce",
   "metadata": {},
   "source": [
    "### Accessing Filtered Database"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "0766fa35-95d6-4904-9909-bc9d05841345",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "23/03/04 15:31:29 WARN org.apache.spark.sql.catalyst.util.package: Truncated the string representation of a plan since it was too large. This behavior can be adjusted by setting 'spark.sql.debug.maxToStringFields'.\n"
     ]
    }
   ],
   "source": [
    "twitter_df2= spark.read.parquet('gs://msca-bdp-students-bucket/shared_data/kshitijm/Final_Project-FiltData1')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "0f27d5ac-3080-40d2-b746-b6f29cc884e8",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/plain": [
       "36344266"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df2.count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "14b1816f-a4f8-42f4-9fad-35c7dae1ddb2",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
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       "</table>\n"
      ],
      "text/plain": [
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       "|coordinates|          created_at|display_text_range|            entities|extended_entities|      extended_tweet|favorite_count|favorited|filter_level| geo|                 id|             id_str|in_reply_to_screen_name|in_reply_to_status_id|in_reply_to_status_id_str|in_reply_to_user_id|in_reply_to_user_id_str|is_quote_status|lang|place|possibly_sensitive|quote_count|quoted_status|quoted_status_id|quoted_status_id_str|quoted_status_permalink|quoted_text|reply_count|retweet_count|retweeted|      retweeted_from|    retweeted_status|              source|                text| timestamp_ms|truncated|          tweet_text|                user|withheld_in_countries|            stripped|\n",
       "+-----------+--------------------+------------------+--------------------+-----------------+--------------------+--------------+---------+------------+----+-------------------+-------------------+-----------------------+---------------------+-------------------------+-------------------+-----------------------+---------------+----+-----+------------------+-----------+-------------+----------------+--------------------+-----------------------+-----------+-----------+-------------+---------+--------------------+--------------------+--------------------+--------------------+-------------+---------+--------------------+--------------------+---------------------+--------------------+\n",
       "|       null|Thu Jun 02 22:54:...|          [0, 140]|{[], null, [], [{...|             null|{[0, 279], {[], [...|             0|    false|         low|null|1532495852094345235|1532495852094345235|           MissRodeoUSA|                 null|                     null|          449378752|              449378752|          false|  en| null|             false|          0|         null|            null|                null|                   null|       null|          0|            0|         |                null|                null|<a href=\"https://...|@MissRodeoUSA We ...|1654210458192|     true|@missrodeousa we ...|{false, Fri Oct 0...|                 null|@missrodeousa we ...|\n",
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       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495855797903360|1532495855797903360|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|     briantylercohen|{null, Thu Jun 02...|<a href=\"http://t...|RT @briantylercoh...|1654210459075|    false|a hospital. a hig...|{false, Mon Dec 0...|                 null|a hospital a high...|\n",
       "|       null|Thu Jun 02 22:54:...|         [35, 140]|{[], null, [], [{...|             null|{[35, 171], {[], ...|             0|    false|         low|null|1532495857978953739|1532495857978953739|        PingPin10549633|  1532459409061707776|      1532459409061707776|1485986160904126475|    1485986160904126475|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|         |CNBC @CNBCMakeIt ...|                null|<a href=\"http://t...|@PingPin10549633 ...|1654210459595|     true|@pingpin10549633 ...|{false, Sat Nov 2...|                 null|@pingpin10549633 ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495860445204498|1532495860445204498|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|     lefthandedhater|{null, Thu Jun 02...|<a href=\"http://t...|RT @lefthandedhat...|1654210460183|    false|we need more medi...|{false, Fri Feb 0...|                 null|we need more medi...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495860495433733|1532495860495433733|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|          InsiderPhD|{null, Wed Jun 01...|<a href=\"http://t...|RT @InsiderPhD: H...|1654210460195|    false|happy summer (or ...|{false, Thu Jan 0...|                 null|happy summer (or ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495861175013387|1532495861175013387|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|           ColArchon|{null, Thu Jun 02...|<a href=\"http://t...|RT @ColArchon: Wh...|1654210460357|    false|who else's kids a...|{false, Mon Sep 0...|                 null|who else's kids a...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495861586055185|1532495861586055185|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|     OccupyDemocrats|{null, Wed Jun 01...|<a href=\"http://t...|RT @OccupyDemocra...|1654210460455|    false|breaking news: pr...|{false, Wed Jul 1...|                 null|breaking news: pr...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495868364046336|1532495868364046336|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|         RepSwalwell|{null, Thu Jun 02...|<a href=\"http://t...|RT @RepSwalwell: ...|1654210462071|    false|we are voting to ...|{false, Mon May 1...|                 null|we are voting to ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495869563609088|1532495869563609088|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|       morethanmySLE|{null, Thu Jun 02...|<a href=\"https://...|RT @morethanmySLE...|1654210462357|    false|jim jordan cares ...|{false, Mon Jun 3...|                 null|jim jordan cares ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495871010430976|1532495871010430976|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|                Acyn|{null, Thu Jun 02...|<a href=\"http://t...|RT @Acyn: Jones: ...|1654210462702|    false|jones: enough is ...|{false, Sun Sep 1...|                 null|jones: enough is ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495873137168392|1532495873137168392|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|             atrupar|{null, Thu Jun 02...|<a href=\"http://t...|RT @atrupar: Nadl...|1654210463209|    false|nadler: \"texas is...|{false, Wed Mar 1...|                 null|nadler: texas is ...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495875221635072|1532495875221635072|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|     briantylercohen|{null, Thu Jun 02...|<a href=\"http://t...|RT @briantylercoh...|1654210463706|    false|a hospital. a hig...|{false, Sat Mar 2...|                 null|a hospital a high...|\n",
       "|       null|Thu Jun 02 22:54:...|              null|{[], null, [], []...|             null|                null|             0|    false|         low|null|1532495876664754176|1532495876664754176|                   null|                 null|                     null|               null|                   null|          false|  en| null|              null|          0|         null|            null|                null|                   null|       null|          0|            0|       RT|          richardker|{null, Thu Jun 02...|<a href=\"http://t...|RT @richardker: M...|1654210464050|    false|malaysians are do...|{false, Sun Oct 0...|                 null|malaysians are do...|\n",
       "+-----------+--------------------+------------------+--------------------+-----------------+--------------------+--------------+---------+------------+----+-------------------+-------------------+-----------------------+---------------------+-------------------------+-------------------+-----------------------+---------------+----+-----+------------------+-----------+-------------+----------------+--------------------+-----------------------+-----------+-----------+-------------+---------+--------------------+--------------------+--------------------+--------------------+-------------+---------+--------------------+--------------------+---------------------+--------------------+"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df2.limit(15)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "4d2a0308-b232-4f87-aa9a-ec844e2c24ef",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['coordinates',\n",
       " 'created_at',\n",
       " 'display_text_range',\n",
       " 'entities',\n",
       " 'extended_entities',\n",
       " 'extended_tweet',\n",
       " 'favorite_count',\n",
       " 'favorited',\n",
       " 'filter_level',\n",
       " 'geo',\n",
       " 'id',\n",
       " 'id_str',\n",
       " 'in_reply_to_screen_name',\n",
       " 'in_reply_to_status_id',\n",
       " 'in_reply_to_status_id_str',\n",
       " 'in_reply_to_user_id',\n",
       " 'in_reply_to_user_id_str',\n",
       " 'is_quote_status',\n",
       " 'lang',\n",
       " 'place',\n",
       " 'possibly_sensitive',\n",
       " 'quote_count',\n",
       " 'quoted_status',\n",
       " 'quoted_status_id',\n",
       " 'quoted_status_id_str',\n",
       " 'quoted_status_permalink',\n",
       " 'quoted_text',\n",
       " 'reply_count',\n",
       " 'retweet_count',\n",
       " 'retweeted',\n",
       " 'retweeted_from',\n",
       " 'retweeted_status',\n",
       " 'source',\n",
       " 'text',\n",
       " 'timestamp_ms',\n",
       " 'truncated',\n",
       " 'tweet_text',\n",
       " 'user',\n",
       " 'withheld_in_countries',\n",
       " 'stripped']"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df2.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "d2bfa101-5b03-4cd4-ae5e-09fe6af62733",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/html": [
       "<table border='1'>\n",
       "<tr><th>summary</th><th>created_at</th><th>favorite_count</th><th>filter_level</th><th>id</th><th>id_str</th><th>in_reply_to_screen_name</th><th>in_reply_to_status_id</th><th>in_reply_to_status_id_str</th><th>in_reply_to_user_id</th><th>in_reply_to_user_id_str</th><th>lang</th><th>quote_count</th><th>quoted_status_id</th><th>quoted_status_id_str</th><th>quoted_text</th><th>reply_count</th><th>retweet_count</th><th>retweeted</th><th>retweeted_from</th><th>source</th><th>text</th><th>timestamp_ms</th><th>tweet_text</th><th>stripped</th></tr>\n",
       "<tr><td>count</td><td>36344266</td><td>36344266</td><td>36344266</td><td>36344266</td><td>36344266</td><td>6115849</td><td>5935724</td><td>5935724</td><td>6115849</td><td>6115849</td><td>36344266</td><td>36344266</td><td>3108759</td><td>3108759</td><td>3103464</td><td>36344266</td><td>36344266</td><td>36344266</td><td>27590556</td><td>36344266</td><td>36344266</td><td>36344266</td><td>36344266</td><td>36344266</td></tr>\n",
       "<tr><td>mean</td><td>null</td><td>0.0</td><td>null</td><td>1.564201240208670...</td><td>1.564201240208670...</td><td>Infinity</td><td>1.564556480616506...</td><td>1.564556480616506...</td><td>6.061128243942732...</td><td>6.061128243942732...</td><td>null</td><td>0.0</td><td>1.555501603686509...</td><td>1.555501603686509...</td><td>3.399012464347826E8</td><td>0.0</td><td>0.0</td><td>null</td><td>Infinity</td><td>null</td><td>null</td><td>1.661769611776080...</td><td>null</td><td>null</td></tr>\n",
       "<tr><td>stddev</td><td>null</td><td>0.0</td><td>null</td><td>3.197904715856612...</td><td>3.197904715856612...</td><td>NaN</td><td>3.802542852408664E16</td><td>3.802542852408664E16</td><td>6.467243087391001...</td><td>6.467243087391001...</td><td>null</td><td>0.0</td><td>8.161512158900228...</td><td>8.161512158900228...</td><td>1.6301062216690025E9</td><td>0.0</td><td>0.0</td><td>null</td><td>NaN</td><td>null</td><td>null</td><td>7.624398984556329E9</td><td>null</td><td>null</td></tr>\n",
       "<tr><td>min</td><td>Fri Apr 08 00:00:...</td><td>0</td><td>low</td><td>1511197336059342854</td><td>1511197336059342854</td><td>0</td><td>18984851</td><td>1000029495213084673</td><td>12</td><td>1000002795213385734</td><td>en</td><td>0</td><td>20</td><td>100</td><td></td><td>0</td><td>0</td><td></td><td></td><td>&lt;a href=&quot;HTTP://b...</td><td>!\n",
       "Indoctrination ...</td><td>1649132496262</td><td>!\n",
       "\n",
       "no mage today,...</td><td>\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "high schoo...</td></tr>\n",
       "<tr><td>max</td><td>Wed Sep 28 23:59:...</td><td>0</td><td>low</td><td>1623308317287149569</td><td>1623308317287149569</td><td>zzzzzzzzzzzzay</td><td>1623307516154093568</td><td>999953412291735552</td><td>1623253944557355008</td><td>999999616279089152</td><td>en</td><td>0</td><td>1623302761654755328</td><td>999816575799713792</td><td>󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       "Exac...</td><td>0</td><td>0</td><td>RT</td><td>🕳️  is coming to...</td><td>&lt;a href=&quot;https://...</td><td>󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...</td><td>1675861837108</td><td>󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...</td><td>󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...</td></tr>\n",
       "</table>\n"
      ],
      "text/plain": [
       "+-------+--------------------+--------------+------------+--------------------+--------------------+-----------------------+---------------------+-------------------------+--------------------+-----------------------+--------+-----------+--------------------+--------------------+--------------------+-----------+-------------+---------+--------------------+--------------------+--------------------+--------------------+--------------------+--------------------+\n",
       "|summary|          created_at|favorite_count|filter_level|                  id|              id_str|in_reply_to_screen_name|in_reply_to_status_id|in_reply_to_status_id_str| in_reply_to_user_id|in_reply_to_user_id_str|    lang|quote_count|    quoted_status_id|quoted_status_id_str|         quoted_text|reply_count|retweet_count|retweeted|      retweeted_from|              source|                text|        timestamp_ms|          tweet_text|            stripped|\n",
       "+-------+--------------------+--------------+------------+--------------------+--------------------+-----------------------+---------------------+-------------------------+--------------------+-----------------------+--------+-----------+--------------------+--------------------+--------------------+-----------+-------------+---------+--------------------+--------------------+--------------------+--------------------+--------------------+--------------------+\n",
       "|  count|            36344266|      36344266|    36344266|            36344266|            36344266|                6115849|              5935724|                  5935724|             6115849|                6115849|36344266|   36344266|             3108759|             3108759|             3103464|   36344266|     36344266| 36344266|            27590556|            36344266|            36344266|            36344266|            36344266|            36344266|\n",
       "|   mean|                null|           0.0|        null|1.564201240208670...|1.564201240208670...|               Infinity| 1.564556480616506...|     1.564556480616506...|6.061128243942732...|   6.061128243942732...|    null|        0.0|1.555501603686509...|1.555501603686509...| 3.399012464347826E8|        0.0|          0.0|     null|            Infinity|                null|                null|1.661769611776080...|                null|                null|\n",
       "| stddev|                null|           0.0|        null|3.197904715856612...|3.197904715856612...|                    NaN| 3.802542852408664E16|     3.802542852408664E16|6.467243087391001...|   6.467243087391001...|    null|        0.0|8.161512158900228...|8.161512158900228...|1.6301062216690025E9|        0.0|          0.0|     null|                 NaN|                null|                null| 7.624398984556329E9|                null|                null|\n",
       "|    min|Fri Apr 08 00:00:...|             0|         low| 1511197336059342854| 1511197336059342854|                      0|             18984851|      1000029495213084673|                  12|    1000002795213385734|      en|          0|                  20|                 100|                    |          0|            0|         |                    |<a href=\"HTTP://b...|!\n",
       "Indoctrination ...|       1649132496262|!\n",
       "\n",
       "no mage today,...|\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "\n",
       "high schoo...|\n",
       "|    max|Wed Sep 28 23:59:...|             0|         low| 1623308317287149569| 1623308317287149569|         zzzzzzzzzzzzay|  1623307516154093568|       999953412291735552| 1623253944557355008|     999999616279089152|      en|          0| 1623302761654755328|  999816575799713792|󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       "Exac...|          0|            0|       RT|🕳️  is coming to...|<a href=\"https://...|󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...|       1675861837108|󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...|󠇰 󠇰\n",
       " 󠇰 󠇰\n",
       " 󠇰 ...|\n",
       "+-------+--------------------+--------------+------------+--------------------+--------------------+-----------------------+---------------------+-------------------------+--------------------+-----------------------+--------+-----------+--------------------+--------------------+--------------------+-----------+-------------+---------+--------------------+--------------------+--------------------+--------------------+--------------------+--------------------+"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df2.describe()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f8a9b9c1-01d7-4043-82ff-cd9d641633b5",
   "metadata": {},
   "source": [
    "### Calculate the number of nulls in each column of the spark dataframe"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ce4f331c-572f-4163-9247-1ad65305fca0",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
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       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>0</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>coordinates</th>\n",
       "      <td>36302779</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>created_at</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>display_text_range</th>\n",
       "      <td>29213648</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>entities</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>extended_entities</th>\n",
       "      <td>34575288</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>extended_tweet</th>\n",
       "      <td>28400538</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>favorite_count</th>\n",
       "      <td>0</td>\n",
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       "    <tr>\n",
       "      <th>favorited</th>\n",
       "      <td>0</td>\n",
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       "    <tr>\n",
       "      <th>filter_level</th>\n",
       "      <td>0</td>\n",
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       "    <tr>\n",
       "      <th>geo</th>\n",
       "      <td>36302779</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>id</th>\n",
       "      <td>0</td>\n",
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       "    <tr>\n",
       "      <th>id_str</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>in_reply_to_screen_name</th>\n",
       "      <td>30228417</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>in_reply_to_status_id</th>\n",
       "      <td>30408542</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>in_reply_to_status_id_str</th>\n",
       "      <td>30408542</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>in_reply_to_user_id</th>\n",
       "      <td>30228417</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>in_reply_to_user_id_str</th>\n",
       "      <td>30228417</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>is_quote_status</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>lang</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>place</th>\n",
       "      <td>36041249</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>possibly_sensitive</th>\n",
       "      <td>30624022</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quote_count</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quoted_status</th>\n",
       "      <td>33240802</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quoted_status_id</th>\n",
       "      <td>33235507</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quoted_status_id_str</th>\n",
       "      <td>33235507</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quoted_status_permalink</th>\n",
       "      <td>33240802</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quoted_text</th>\n",
       "      <td>33240802</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>reply_count</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>retweet_count</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>retweeted</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>retweeted_from</th>\n",
       "      <td>8753710</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>retweeted_status</th>\n",
       "      <td>11741584</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>source</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>text</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>timestamp_ms</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>truncated</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_text</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>user</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>withheld_in_countries</th>\n",
       "      <td>36331412</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>stripped</th>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                  0\n",
       "coordinates                36302779\n",
       "created_at                        0\n",
       "display_text_range         29213648\n",
       "entities                          0\n",
       "extended_entities          34575288\n",
       "extended_tweet             28400538\n",
       "favorite_count                    0\n",
       "favorited                         0\n",
       "filter_level                      0\n",
       "geo                        36302779\n",
       "id                                0\n",
       "id_str                            0\n",
       "in_reply_to_screen_name    30228417\n",
       "in_reply_to_status_id      30408542\n",
       "in_reply_to_status_id_str  30408542\n",
       "in_reply_to_user_id        30228417\n",
       "in_reply_to_user_id_str    30228417\n",
       "is_quote_status                   0\n",
       "lang                              0\n",
       "place                      36041249\n",
       "possibly_sensitive         30624022\n",
       "quote_count                       0\n",
       "quoted_status              33240802\n",
       "quoted_status_id           33235507\n",
       "quoted_status_id_str       33235507\n",
       "quoted_status_permalink    33240802\n",
       "quoted_text                33240802\n",
       "reply_count                       0\n",
       "retweet_count                     0\n",
       "retweeted                         0\n",
       "retweeted_from              8753710\n",
       "retweeted_status           11741584\n",
       "source                            0\n",
       "text                              0\n",
       "timestamp_ms                      0\n",
       "truncated                         0\n",
       "tweet_text                        0\n",
       "user                              0\n",
       "withheld_in_countries      36331412\n",
       "stripped                          0"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df2.select([count(when(isnull(c), c)).alias(c) for c in twitter_df2.columns]).toPandas().transpose()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "ce7a8612-4fa5-4a58-8ff7-fcbcbd1362fc",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "[Stage 13:=====================================================>(660 + 1) / 661]\r"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "+---------+--------+\n",
      "|retweeted|   count|\n",
      "+---------+--------+\n",
      "|         |11736498|\n",
      "|       RT|24607768|\n",
      "+---------+--------+\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "twitter_df2.select('retweeted').groupby('retweeted').count().show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "cb7c3722-5ab7-45ed-8bc6-9fd8d9597e6e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df2.select('favorited').groupby('favorited').count().show()\n",
    "\n",
    "# If tweets have been favorited by the authenticating user"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5ccbb12f-0ba7-4f64-a67e-011b1ae5ca12",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df2.select('truncated').groupby('truncated').count().show()\n",
    "\n",
    "# Older tweets were allowed to be truncated, but would be false for recent onles"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "c203e946-7b66-4536-ab3e-6122f87d207a",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df2.select('possibly_sensitive').groupby('possibly_sensitive').count().show()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "0f65991d-615a-4e80-9305-1c1b1186bc7a",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df2.select('withheld_in_countries').groupby('withheld_in_countries').count().show()\n",
    "\n",
    "# Most tweets are not withheld in any countries"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9afca40c-7d13-477a-aec8-65ce587d109e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df2.select('filter_level').groupby('filter_level').count().show()\n",
    "\n",
    "# All tweets are at a low level filter, can remove this variable"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "afa4c2a6-1036-40ea-b2c9-5b434efb76fc",
   "metadata": {},
   "source": [
    "### We can identify 4 types of tweets\n",
    "\n",
    "- Text Tweets\n",
    "- Retweets\n",
    "- Quotes (retweets with personal thought)\n",
    "- Replys to other tweets\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a0a729e1-7f30-4cd8-9861-5d4dde04977a",
   "metadata": {},
   "source": [
    "### Selecting important columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "475d8dc0-5394-42fa-a03e-f2d1c87a83bc",
   "metadata": {},
   "outputs": [],
   "source": [
    "twitter_df2.createOrReplaceTempView(\"twitter_df2\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "dc4b3abd-93fa-422c-8155-53ce40ca8bdc",
   "metadata": {},
   "outputs": [],
   "source": [
    "query = '''select\n",
    "id,\n",
    "created_at,\n",
    "text,\n",
    "tweet_text,\n",
    "\n",
    "coordinates.coordinates as tweet_coordinates,\n",
    "\n",
    "place.country as tweet_country,\n",
    "place.country_code as tweet_country_code,\n",
    "place.full_name as tweet_place_full_name,\n",
    "place.place_type as tweet_place_type,\n",
    "\n",
    "\n",
    "(CASE WHEN in_reply_to_status_id IS NULL THEN FALSE ELSE TRUE END) as is_reply,\n",
    "is_quote_status as is_quote,\n",
    "retweeted as is_retweeted,\n",
    "\n",
    "reply_count,\n",
    "quote_count,\n",
    "retweet_count,\n",
    "favorite_count,\n",
    "\n",
    "in_reply_to_status_id as rp_original_id,\n",
    "in_reply_to_user_id as rp_user_id,\n",
    "in_reply_to_screen_name as rp_original_user,\n",
    "\n",
    "quoted_status_id as qu_original_id,\n",
    "\n",
    "retweeted_status.id as rt_original_id,\n",
    "retweeted_status.user.screen_name as rt_original_user,\n",
    "\n",
    "user.id as account_id,\n",
    "user.screen_name as account_name,\n",
    "user.description as account_description,\n",
    "user.location as account_location,\n",
    "user.verified as is_verified,\n",
    "user.followers_count as total_followers,\n",
    "user.friends_count as total_friends,\n",
    "user.listed_count as total_listed,\n",
    "user.favourites_count as total_favourites,\n",
    "user.statuses_count as total_tweets,\n",
    "user.created_at as account_created_at,\n",
    "user.profile_image_url_https as account_profile_picture,\n",
    "\n",
    "entities.hashtags.text as hashtags\n",
    "FROM twitter_df2'''\n",
    "\n",
    "twitter_df3 = spark.sql(query)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "9ee0a9ba-87a8-4894-8e64-bb473ecbdebf",
   "metadata": {},
   "outputs": [],
   "source": [
    "twitter_df3 = twitter_df3.\\\n",
    "withColumn('tweet_type',\\\n",
    "           when(col(\"is_retweeted\") == 'RT', \"retweet\").\\\n",
    "           when(col(\"is_quote\") == 'true', \"quote\").\\\n",
    "           when(col(\"is_reply\") == 'true', \"reply\").\\\n",
    "           otherwise(\"original_tweet\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "c071d735-361a-49ca-b06c-ced85ec95828",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/html": [
       "<table border='1'>\n",
       "<tr><th>id</th><th>created_at</th><th>text</th><th>tweet_text</th><th>tweet_coordinates</th><th>tweet_country</th><th>tweet_country_code</th><th>tweet_place_full_name</th><th>tweet_place_type</th><th>is_reply</th><th>is_quote</th><th>is_retweeted</th><th>reply_count</th><th>quote_count</th><th>retweet_count</th><th>favorite_count</th><th>rp_original_id</th><th>rp_user_id</th><th>rp_original_user</th><th>qu_original_id</th><th>rt_original_id</th><th>rt_original_user</th><th>account_id</th><th>account_name</th><th>account_description</th><th>account_location</th><th>is_verified</th><th>total_followers</th><th>total_friends</th><th>total_listed</th><th>total_favourites</th><th>total_tweets</th><th>account_created_at</th><th>account_profile_picture</th><th>hashtags</th><th>tweet_type</th></tr>\n",
       "<tr><td>1574680103166025728</td><td>Tue Sep 27 08:39:...</td><td>RT @AfghanHenry: ...</td><td>afghan women dese...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574656924527861763</td><td>AfghanHenry</td><td>1497627495084007429</td><td>Broken_Rules420</td><td>You can not unite...</td><td>Afghanistan</td><td>false</td><td>22554</td><td>221</td><td>0</td><td>12489</td><td>5590</td><td>Sat Feb 26 17:40:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680104189693953</td><td>Tue Sep 27 08:39:...</td><td>@Jordan090102 @Co...</td><td>@jordan090102 @co...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574431663353896962</td><td>1129874873617145857</td><td>Jordan090102</td><td>null</td><td>null</td><td>null</td><td>462728812</td><td>bkrayder</td><td>#RaiderNation ONL...</td><td>null</td><td>false</td><td>961</td><td>3962</td><td>7</td><td>57575</td><td>32490</td><td>Fri Jan 13 08:41:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680105389101057</td><td>Tue Sep 27 08:39:...</td><td>@jasonintrator Th...</td><td>@jasonintrator th...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574183535602274304</td><td>1726682706</td><td>jasonintrator</td><td>null</td><td>null</td><td>null</td><td>1545831866200104961</td><td>StanleyKafka</td><td>If you have any c...</td><td>null</td><td>false</td><td>5</td><td>85</td><td>0</td><td>531</td><td>566</td><td>Sat Jul 09 18:07:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680106026799109</td><td>Tue Sep 27 08:39:...</td><td>@hindatuuu The Ro...</td><td>@hindatuuu the ro...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574499485069328390</td><td>1381919129729429506</td><td>hindatuuu</td><td>null</td><td>null</td><td>null</td><td>1074782789713752064</td><td>umar_alfaruqiy</td><td>I might be more t...</td><td>Katsina, Nigeria</td><td>false</td><td>1743</td><td>1715</td><td>0</td><td>16132</td><td>7868</td><td>Mon Dec 17 21:46:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680112443916289</td><td>Tue Sep 27 08:39:...</td><td>RT @Winxx_777: Wa...</td><td>was talking to a ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574670434804633600</td><td>Winxx_777</td><td>1374080552136028160</td><td>bakang_m_</td><td>Evangelist 🇧🇼 ?...</td><td>null</td><td>false</td><td>344</td><td>231</td><td>0</td><td>83568</td><td>5680</td><td>Mon Mar 22 19:28:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680115300163585</td><td>Tue Sep 27 08:39:...</td><td>Careers Advisor, ...</td><td>careers advisor, ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>226115976</td><td>shsrbk</td><td>We are a confiden...</td><td>Kingston Upon Thames</td><td>false</td><td>2485</td><td>2119</td><td>41</td><td>9137</td><td>10023</td><td>Mon Dec 13 10:36:...</td><td>https://pbs.twimg...</td><td>[]</td><td>original_tweet</td></tr>\n",
       "<tr><td>1574680126880620544</td><td>Tue Sep 27 08:39:...</td><td>RT @m_a_salloum: ...</td><td>this is the case ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574679159493824513</td><td>m_a_salloum</td><td>1262097464</td><td>valeriemhughes</td><td>null</td><td>Ireland</td><td>false</td><td>1211</td><td>1725</td><td>37</td><td>22638</td><td>37505</td><td>Tue Mar 12 14:22:...</td><td>https://pbs.twimg...</td><td>[camps, schools]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680136670216193</td><td>Tue Sep 27 08:39:...</td><td>RT @Not_Tolulope:...</td><td>some rappers nowa...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574671439721943040</td><td>Not_Tolulope</td><td>1172937897181421569</td><td>Mideefe</td><td>18| Ads &amp; PR | vi...</td><td>Dm for promotions </td><td>false</td><td>12654</td><td>8142</td><td>4</td><td>192352</td><td>111390</td><td>Sat Sep 14 18:19:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680137563512832</td><td>Tue Sep 27 08:39:...</td><td>RT @Wenahjrn: Eit...</td><td>either you pursue...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574656115257888768</td><td>Wenahjrn</td><td>766727349220077568</td><td>dallasvenn</td><td>My friends call m...</td><td>Abuja, Nigeria</td><td>false</td><td>7348</td><td>6870</td><td>3</td><td>176341</td><td>110746</td><td>Fri Aug 19 20:03:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680137332936706</td><td>Tue Sep 27 08:39:...</td><td>Secular schools l...</td><td>secular schools l...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1482665306</td><td>Tham4066</td><td>null</td><td>null</td><td>false</td><td>31</td><td>73</td><td>0</td><td>0</td><td>48431</td><td>Tue Jun 04 16:17:...</td><td>https://abs.twimg...</td><td>[]</td><td>original_tweet</td></tr>\n",
       "<tr><td>1574680141363646466</td><td>Tue Sep 27 08:39:...</td><td>The Talent show w...</td><td>the talent show w...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1088737524166651904</td><td>INFOFranschhoek</td><td>Iinfo Franschhoek...</td><td>Franschhoek</td><td>false</td><td>62</td><td>121</td><td>0</td><td>0</td><td>328</td><td>Fri Jan 25 09:57:...</td><td>https://pbs.twimg...</td><td>[]</td><td>original_tweet</td></tr>\n",
       "<tr><td>1574680142621851648</td><td>Tue Sep 27 08:39:...</td><td>RT @kimberbabyluv...</td><td>no job i applied ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574674962513686528</td><td>kimberbabyluv</td><td>1169000440610086912</td><td>AnthoniaLawson</td><td>Your Go-to plug f...</td><td>Lagos, Nigeria</td><td>false</td><td>2359</td><td>2256</td><td>5</td><td>36136</td><td>39702</td><td>Tue Sep 03 21:33:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680149915680768</td><td>Tue Sep 27 08:39:...</td><td>RT @mattbrownauth...</td><td>🚨 awesome teache...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574311142716997632</td><td>mattbrownauthor</td><td>743892265282703360</td><td>Kirstenfoster20</td><td>all things equity...</td><td>Leeds</td><td>false</td><td>515</td><td>470</td><td>0</td><td>9142</td><td>2219</td><td>Fri Jun 17 19:45:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680150746308609</td><td>Tue Sep 27 08:39:...</td><td>RT @STONKSTRADERR...</td><td>$qqq level video ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574649112636465152</td><td>STONKSTRADERRR</td><td>795422750907232256</td><td>therdparker</td><td>quit trying to pi...</td><td>null</td><td>false</td><td>20</td><td>395</td><td>5</td><td>856</td><td>938</td><td>Mon Nov 07 00:28:...</td><td>https://abs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680152524566528</td><td>Tue Sep 27 08:39:...</td><td>@mrhorppy 🤣🤣🤣 ...</td><td>@mrhorppy 🤣🤣🤣 ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574640164663705603</td><td>251349630</td><td>mrhorppy</td><td>null</td><td>null</td><td>null</td><td>1426299343871610883</td><td>debbiefoodie</td><td>A foodie\n",
       " A livin...</td><td>null</td><td>false</td><td>188</td><td>604</td><td>0</td><td>1844</td><td>1652</td><td>Fri Aug 13 21:47:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "</table>\n"
      ],
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       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------------------+--------------+\n",
       "|                 id|          created_at|                text|          tweet_text|tweet_coordinates|tweet_country|tweet_country_code|tweet_place_full_name|tweet_place_type|is_reply|is_quote|is_retweeted|reply_count|quote_count|retweet_count|favorite_count|     rp_original_id|rp_user_id|rp_original_user|     qu_original_id|     rt_original_id|rt_original_user|         account_id|   account_name| account_description|    account_location|is_verified|total_followers|total_friends|total_listed|total_favourites|total_tweets|  account_created_at|account_profile_picture|            hashtags|    tweet_type|\n",
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------------------+--------------+\n",
       "|1617511617251639297|Mon Jan 23 13:16:...|RT @MaclennanKen:...|james cumming was...|             null|         null|              null|                 null|            null|   false|    true|          RT|          0|          0|            0|             0|               null|      null|            null|1617170822694584321|1617240532358500352|    MaclennanKen|1199556324880789509|  retepnnamffoh|Edinburgh and Str...|Edinburgh and Str...|      false|             44|           77|           0|            1735|        1635|Wed Nov 27 05:12:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511621823238146|Mon Jan 23 13:16:...|Huge congratulati...|huge congratulati...|             null|         null|              null|                 null|            null|   false|   false|            |          0|          0|            0|             0|               null|      null|            null|               null|               null|            null| 700625131052224512|       UCD_CHAS|College of Health...|       UCD, Belfield|      false|           1564|          702|          24|            1342|        1468|Fri Feb 19 10:17:...|   https://pbs.twimg...|                  []|original_tweet|\n",
       "|1617511622985281536|Mon Jan 23 13:16:...|@DougWahl1 No. I ...|@dougwahl1 no. i ...|             null|         null|              null|                 null|            null|    true|   false|            |          0|          0|            0|             0|1617215324910411781| 340398500|       DougWahl1|               null|               null|            null|1136332676808527873|  LynnV60109585|Music lover.🎸\n",
       "Do...|                null|      false|            812|         1086|           1|          132409|      110927|Wed Jun 05 18:03:...|   https://pbs.twimg...|                  []|         reply|\n",
       "|1617511624520204289|Mon Jan 23 13:16:...|RT @kylegriffin1:...|46 men — includin...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617160278520504320|    kylegriffin1|          756164737|  viens_avecmoi|she/her. new to t...|           Omaha, NE|      false|            211|          768|           1|           17503|        8989|Tue Aug 14 01:00:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511635907665920|Mon Jan 23 13:16:...|RT @noel_okwaro: ...|welcome to #backt...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617442681092976641|     noel_okwaro|1613451970253127681|RzyTookYourGirl|Call/Text 0791330...|             Nairobi|      false|            137|           65|           0|            6634|        1486|Thu Jan 12 08:25:...|   https://pbs.twimg...|[backtoschool, li...|       retweet|\n",
       "|1617511635190706178|Mon Jan 23 13:16:...|RT @qubschoolofla...|the school of law...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617488982337617920|  qubschooloflaw|         2290640063|MallinderLouise|Professor of Law ...|    Northern Ireland|      false|           2861|         1144|          45|            7445|        5538|Sat Jan 18 23:35:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511642253918212|Mon Jan 23 13:16:...|RT @infinite_scre...|hey new york time...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617180790944825344| infinite_scream| 907795771201916928|       skytopjf|🌹 progressive ur...|          Boston, MA|      false|            283|         1105|           0|           88610|        5498|Wed Sep 13 02:39:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511644741128192|Mon Jan 23 13:16:...|RT @CCRCE_NS: All...|all ccrce schools...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617461099531485184|        CCRCE_NS|1588214676290142208|   HRYprogramNS|Healthy Relations...|         Nova Scotia|      false|             13|          126|           0|              72|          43|Thu Nov 03 17:01:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511648197246979|Mon Jan 23 13:16:...|RT @williams2_ma:...|some say elite 14...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1616958399651930117|    williams2_ma|1420829361683435523| KareemBillups1|football🏈player ...|                null|      false|            128|          215|           0|              43|          26|Thu Jul 29 19:31:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511652928245761|Mon Jan 23 13:16:...|Let's hear it for...|let's hear it for...|             null|         null|              null|                 null|            null|   false|   false|            |          0|          0|            0|             0|               null|      null|            null|               null|               null|            null|           40238343|     HP_Schools|Enroll now! Hazel...|Hazel Park, Michigan|      false|            672|          202|          11|             881|        4139|Fri May 15 13:24:...|   https://pbs.twimg...|                  []|original_tweet|\n",
       "|1617511654031331328|Mon Jan 23 13:16:...|RT @nastasiaKlima...|oh, look, a z-fan...|             null|         null|              null|                 null|            null|   false|    true|          RT|          0|          0|            0|             0|               null|      null|            null|1617163268090650631|1617312298544107523| nastasiaKlimash|         4092388409|    Rosalie2077|                null|                null|      false|             29|           62|           0|           12168|        1596|Sun Nov 01 20:31:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511655633719297|Mon Jan 23 13:16:...|RT @PrisonPlanet:...|clarkson warns wo...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617277510902767617|    PrisonPlanet|1487462852961128451|     meektrader|I'm a proud TERF ...|                null|      false|           1048|         1084|           3|          172965|       32100|Sat Jan 29 16:29:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511658657812481|Mon Jan 23 13:16:...|@CoachSteveEllis ...|@coachsteveellis ...|             null|         null|              null|                 null|            null|    true|   false|            |          0|          0|            0|             0|1617465037773324289|1498514702| CoachSteveEllis|               null|               null|            null|1432131606517583878|       Jaquon76|Recruiting Page ‼...|           Macon, GA|      false|             14|          212|           0|              20|          20|Mon Aug 30 00:02:...|   https://pbs.twimg...|                  []|         reply|\n",
       "|1617511660889206786|Mon Jan 23 13:16:...|RT @TweetsbyCoach...|everyone’s path i...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1617236404227956736|  TweetsbyCoachP|1519321963520483331|       jmayou09|          just a guy|           the beach|      false|             23|           78|           0|            1724|        2022|Wed Apr 27 14:26:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "|1617511669495889923|Mon Jan 23 13:16:...|RT @Joyfulaboutbo...|@2a_freedom what ...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1615073531963867145| Joyfulaboutboys|1605540239686123520|CrazyWitchGirl1|Cat momma, Artist...|                null|      false|            185|          313|           1|            1482|        4952|Wed Dec 21 12:27:...|   https://pbs.twimg...|                  []|       retweet|\n",
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------------------+--------------+"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df3.limit(15)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e0b8a2d7-1b43-4f83-8d76-c19a6f618702",
   "metadata": {},
   "source": [
    "#### Different types of tweets"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "511c33fd-0db3-4f4b-a0f5-0f590d317f92",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "num_tweets=twitter_df3.select('tweet_type').groupby('tweet_type').count().toPandas()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "5faf34c3-111f-4215-86ad-65eaa98b481c",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<div>\n",
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       "    .dataframe tbody tr th:only-of-type {\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
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       "      <th></th>\n",
       "      <th>tweet_type</th>\n",
       "      <th>count</th>\n",
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       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>retweet</td>\n",
       "      <td>24607768</td>\n",
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       "       tweet_type     count\n",
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       "2           quote    988261\n",
       "3  original_tweet   4848049"
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     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "num_tweets"
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  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "eb2b6e21-4e57-4e44-aee8-d68353526141",
   "metadata": {},
   "outputs": [
    {
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       "   <cc:Work>\n",
       "    <dc:type rdf:resource=\"http://purl.org/dc/dcmitype/StillImage\"/>\n",
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       "<Figure size 900x700 with 1 Axes>"
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     "metadata": {},
     "output_type": "display_data"
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   ],
   "source": [
    "sns.set_style(\"white\")\n",
    "\n",
    "_, axes = plt.subplots(nrows=1, ncols=1, figsize=(9, 7))\n",
    "#sns.barplot(x='tweet_type',data=num_tweets, ax=axes, palette='pastel',order=num_tweets['count'].value_counts().index)\n",
    "\n",
    "sns.barplot(x=\"tweet_type\", y=\"count\", data=num_tweets, palette=\"pastel\", order=num_tweets[\"tweet_type\"].value_counts().index)\n",
    "\n",
    "x_labels = ['Re-Tweets','Original Tweets','Quotes','Replies']\n",
    "axes.set_xticklabels(x_labels)\n",
    "\n",
    "plt.title('Different types of Tweets in our data')\n",
    "plt.xlabel('Types of Tweets')\n",
    "plt.ylabel('No. of Tweets')\n",
    "\n",
    "sns.despine()\n",
    "plt.show()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "d61ac38f-76f7-4b89-8750-9d84b03cb344",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "[Stage 23:======================================>                (28 + 12) / 40]\r"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "+---------------+-----+\n",
      "|   account_name|count|\n",
      "+---------------+-----+\n",
      "|   NJSchoolJobs|10124|\n",
      "| education_24x7| 8302|\n",
      "|     iskolworks| 7283|\n",
      "| jc_james_clark| 6356|\n",
      "| LoveLiveFrames| 5723|\n",
      "|       Porxlek1| 5595|\n",
      "|   studyinnaija| 5152|\n",
      "|   educationbnb| 5036|\n",
      "|NorthEastJobsUK| 4563|\n",
      "|       group_kq| 4250|\n",
      "|     techysaavy| 4049|\n",
      "| chuokikuukenya| 3385|\n",
      "| ParentSecurity| 3338|\n",
      "|      poet_this| 3024|\n",
      "| DeAngelisCorey| 2887|\n",
      "|        poskeos| 2874|\n",
      "|  DennisStemmle| 2676|\n",
      "|      zzz_hamed| 2626|\n",
      "|       exobaebi| 2619|\n",
      "|     NewsblazeK| 2535|\n",
      "+---------------+-----+\n",
      "only showing top 20 rows\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "tweets_accounts=twitter_df3.select('account_name').groupby('account_name').count().orderBy('count',ascending=False).show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "fca4ae9e-c4db-4325-b859-3d9cf85937dc",
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "15ab79b9-5615-4588-a7de-3f0ea2dbf5cc",
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   "source": []
  },
  {
   "cell_type": "markdown",
   "id": "97a39e09-c54e-493c-b5c4-f91d756fbd53",
   "metadata": {},
   "source": [
    "### Writing this data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d5808178-2fdb-4501-b473-e0f5d4a25b30",
   "metadata": {},
   "outputs": [],
   "source": [
    "# twitter_df3.write.format(\"parquet\").\\\n",
    "# mode('overwrite').\\\n",
    "# save('gs://' + 'msca-bdp-students-bucket/shared_data/kshitijm' + '/Final_Project-FiltData3_New')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "194010c4-f018-40b2-80c9-1acccf60ebd5",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "twitter_df3.write.format(\"parquet\").\\\n",
    "mode('overwrite').\\\n",
    "save('gs://' + 'msca-bdp-students-bucket/shared_data/kshitijm' + '/Final_Project-FiltData2')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "e6a97f91-fdb2-4ba6-bf20-3863eb7c842a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'(employ)|(employer)|(hiring)|(job)|(jobs)|(roles)|(salary)|(negotiate)|(negotiable)|(401K)|(qualifications)|(interpersonal)|(educator)|(part time)|(full time)|(contract)|(subcontract)|(recruit)|(recruitment)|(pay)|(position)|(employee)|(hired)|(hiring manager)|(replacement)|(substitute)'"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "## Remove rows which have jobs, bots in it\n",
    "\n",
    "dict_rm_job= [\"employ\",\"employer\",\"hiring\",\"job\",\"jobs\",\"roles\",\"salary\",\"negotiate\",\"negotiable\",\"401K\",\"qualifications\",\"interpersonal\",\n",
    "           \"educator\",\"part time\",\"full time\",\"contract\",\"subcontract\",\"recruit\",\"recruitment\",\"pay\",\"position\",\"employee\",\"hired\",\"hiring manager\",\n",
    "           \"replacement\",\"substitute\"]\n",
    "\n",
    "dict_rm2='|'.join([\"(\" + c +\")\" for c in dict_rm_job])\n",
    "dict_rm2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "4d4648b0-4100-4744-9df7-60c3403c5e16",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'(bots)|(bot)|(robot)|(automated)|(automatic)|(telnet)|(downloader)|(updater)|(api)|(seo)|(search engine)|(optimization)'"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dict_rm_bots = [\"bots\",'bot','robot','automated','automatic','telnet','downloader','updater','api',\n",
    "               'seo','search engine','optimization']\n",
    "\n",
    "dict_rm3='|'.join([\"(\" + c +\")\" for c in dict_rm_bots])\n",
    "dict_rm3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "384bcbea-2946-4339-a748-824b714541fe",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/plain": [
       "27102994"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df4 = twitter_df3.where(~twitter_df3['tweet_text'].rlike(dict_rm2))\n",
    "twitter_df4 = twitter_df4.where(~twitter_df4['account_description'].rlike(dict_rm3))\n",
    "twitter_df4.count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "a898712f-415f-49cb-bea5-8ad65337079c",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/html": [
       "<table border='1'>\n",
       "<tr><th>id</th><th>created_at</th><th>text</th><th>tweet_text</th><th>tweet_coordinates</th><th>tweet_country</th><th>tweet_country_code</th><th>tweet_place_full_name</th><th>tweet_place_type</th><th>is_reply</th><th>is_quote</th><th>is_retweeted</th><th>reply_count</th><th>quote_count</th><th>retweet_count</th><th>favorite_count</th><th>rp_original_id</th><th>rp_user_id</th><th>rp_original_user</th><th>qu_original_id</th><th>rt_original_id</th><th>rt_original_user</th><th>account_id</th><th>account_name</th><th>account_description</th><th>account_location</th><th>is_verified</th><th>total_followers</th><th>total_friends</th><th>total_listed</th><th>total_favourites</th><th>total_tweets</th><th>account_created_at</th><th>account_profile_picture</th><th>hashtags</th><th>tweet_type</th></tr>\n",
       "<tr><td>1574680103166025728</td><td>Tue Sep 27 08:39:...</td><td>RT @AfghanHenry: ...</td><td>afghan women dese...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574656924527861763</td><td>AfghanHenry</td><td>1497627495084007429</td><td>Broken_Rules420</td><td>You can not unite...</td><td>Afghanistan</td><td>false</td><td>22554</td><td>221</td><td>0</td><td>12489</td><td>5590</td><td>Sat Feb 26 17:40:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680104189693953</td><td>Tue Sep 27 08:39:...</td><td>@Jordan090102 @Co...</td><td>@jordan090102 @co...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574431663353896962</td><td>1129874873617145857</td><td>Jordan090102</td><td>null</td><td>null</td><td>null</td><td>462728812</td><td>bkrayder</td><td>#RaiderNation ONL...</td><td>null</td><td>false</td><td>961</td><td>3962</td><td>7</td><td>57575</td><td>32490</td><td>Fri Jan 13 08:41:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680105389101057</td><td>Tue Sep 27 08:39:...</td><td>@jasonintrator Th...</td><td>@jasonintrator th...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574183535602274304</td><td>1726682706</td><td>jasonintrator</td><td>null</td><td>null</td><td>null</td><td>1545831866200104961</td><td>StanleyKafka</td><td>If you have any c...</td><td>null</td><td>false</td><td>5</td><td>85</td><td>0</td><td>531</td><td>566</td><td>Sat Jul 09 18:07:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680106026799109</td><td>Tue Sep 27 08:39:...</td><td>@hindatuuu The Ro...</td><td>@hindatuuu the ro...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1574499485069328390</td><td>1381919129729429506</td><td>hindatuuu</td><td>null</td><td>null</td><td>null</td><td>1074782789713752064</td><td>umar_alfaruqiy</td><td>I might be more t...</td><td>Katsina, Nigeria</td><td>false</td><td>1743</td><td>1715</td><td>0</td><td>16132</td><td>7868</td><td>Mon Dec 17 21:46:...</td><td>https://pbs.twimg...</td><td>[]</td><td>reply</td></tr>\n",
       "<tr><td>1574680112443916289</td><td>Tue Sep 27 08:39:...</td><td>RT @Winxx_777: Wa...</td><td>was talking to a ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574670434804633600</td><td>Winxx_777</td><td>1374080552136028160</td><td>bakang_m_</td><td>Evangelist 🇧🇼 ?...</td><td>null</td><td>false</td><td>344</td><td>231</td><td>0</td><td>83568</td><td>5680</td><td>Mon Mar 22 19:28:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680115300163585</td><td>Tue Sep 27 08:39:...</td><td>Careers Advisor, ...</td><td>careers advisor, ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>226115976</td><td>shsrbk</td><td>We are a confiden...</td><td>Kingston Upon Thames</td><td>false</td><td>2485</td><td>2119</td><td>41</td><td>9137</td><td>10023</td><td>Mon Dec 13 10:36:...</td><td>https://pbs.twimg...</td><td>[]</td><td>original_tweet</td></tr>\n",
       "<tr><td>1574680136670216193</td><td>Tue Sep 27 08:39:...</td><td>RT @Not_Tolulope:...</td><td>some rappers nowa...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574671439721943040</td><td>Not_Tolulope</td><td>1172937897181421569</td><td>Mideefe</td><td>18| Ads &amp; PR | vi...</td><td>Dm for promotions </td><td>false</td><td>12654</td><td>8142</td><td>4</td><td>192352</td><td>111390</td><td>Sat Sep 14 18:19:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680137563512832</td><td>Tue Sep 27 08:39:...</td><td>RT @Wenahjrn: Eit...</td><td>either you pursue...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574656115257888768</td><td>Wenahjrn</td><td>766727349220077568</td><td>dallasvenn</td><td>My friends call m...</td><td>Abuja, Nigeria</td><td>false</td><td>7348</td><td>6870</td><td>3</td><td>176341</td><td>110746</td><td>Fri Aug 19 20:03:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1574680141363646466</td><td>Tue Sep 27 08:39:...</td><td>The Talent show w...</td><td>the talent show w...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1088737524166651904</td><td>INFOFranschhoek</td><td>Iinfo Franschhoek...</td><td>Franschhoek</td><td>false</td><td>62</td><td>121</td><td>0</td><td>0</td><td>328</td><td>Fri Jan 25 09:57:...</td><td>https://pbs.twimg...</td><td>[]</td><td>original_tweet</td></tr>\n",
       "<tr><td>1574680142621851648</td><td>Tue Sep 27 08:39:...</td><td>RT @kimberbabyluv...</td><td>no job i applied ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1574674962513686528</td><td>kimberbabyluv</td><td>1169000440610086912</td><td>AnthoniaLawson</td><td>Your Go-to plug f...</td><td>Lagos, Nigeria</td><td>false</td><td>2359</td><td>2256</td><td>5</td><td>36136</td><td>39702</td><td>Tue Sep 03 21:33:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "</table>\n"
      ],
      "text/plain": [
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------+--------------+\n",
       "|                 id|          created_at|                text|          tweet_text|tweet_coordinates|tweet_country|tweet_country_code|tweet_place_full_name|tweet_place_type|is_reply|is_quote|is_retweeted|reply_count|quote_count|retweet_count|favorite_count|     rp_original_id|rp_user_id|rp_original_user|     qu_original_id|     rt_original_id|rt_original_user|         account_id|   account_name| account_description|    account_location|is_verified|total_followers|total_friends|total_listed|total_favourites|total_tweets|  account_created_at|account_profile_picture|hashtags|    tweet_type|\n",
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------+--------------+\n",
       "|1602740002924154880|Tue Dec 13 18:59:...|You realise your ...|you realise your ...|             null|         null|              null|                 null|            null|   false|   false|            |          0|          0|            0|             0|               null|      null|            null|               null|               null|            null|1416703562734727170|    vishalraj_1|Frontend Develope...|    New Delhi, India|      false|           1638|          139|          12|            7870|        2731|Sun Jul 18 10:17:...|   https://pbs.twimg...|      []|original_tweet|\n",
       "|1602740015066681346|Tue Dec 13 18:59:...|@MohaleMotaung_ W...|@mohalemotaung_ w...|             null|         null|              null|                 null|            null|    true|   false|            |          0|          0|            0|             0|1602739482960224256|2496615095|  MohaleMotaung_|               null|               null|            null|1313627819528933377|     thee_lolly|DONT DM ME IF YOU...|        South Africa|      false|           2579|         1661|           1|           73600|       78474|Tue Oct 06 23:51:...|   https://pbs.twimg...|      []|         reply|\n",
       "|1602740016572432384|Tue Dec 13 18:59:...|RT @CindyrellaAi:...|rp: cindy is goin...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1602372288069963776|    CindyrellaAi|1512988422859902976|PrincessPixieFD|Owned by her Maje...|      Censor Kingdom|      false|            151|           37|           1|            1313|        1085|Sun Apr 10 02:59:...|   https://pbs.twimg...|      []|       retweet|\n",
       "|1602740016974807040|Tue Dec 13 18:59:...|RT @iam_johnw: It...|it’s hilarious wh...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1602326569535827968|       iam_johnw|          368445354| ThisNiggaAaron|Actor 🎥 🇭🇹 IG:...|     Round da way 🏝|      false|            906|         1356|           2|           30796|       52372|Mon Sep 05 17:08:...|   https://pbs.twimg...|      []|       retweet|\n",
       "|1602740026135248896|Tue Dec 13 18:59:...|RT @JohnWoodrowCo...|shannon hill, now...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1602692843222568961|  JohnWoodrowCox|           19907134|     anniemac59|from the East,  S...|                null|      false|            440|         1836|           0|          154400|       91140|Mon Feb 02 13:50:...|   https://pbs.twimg...|      []|       retweet|\n",
       "|1602740028504948739|Tue Dec 13 18:59:...|and na correct sc...|and na correct sc...|             null|         null|              null|                 null|            null|   false|    true|            |          0|          0|            0|             0|               null|      null|            null|1602554821936037890|               null|            null|          302847478|         miyuwi| ✗Iceprince ✗Chelsea|                null|      false|           2112|          696|          18|             182|      130035|Sat May 21 21:21:...|   https://pbs.twimg...|      []|         quote|\n",
       "|1602740032099553280|Tue Dec 13 18:59:...|RT @JeremyTate41:...|harvard law profe...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1602382601578217478|    JeremyTate41|1270783640541241344|  SiGoncharenko|Ukrainian-born, U...|     Houston, TX USA|      false|             66|          251|           1|            4388|        3273|Wed Jun 10 18:23:...|   https://pbs.twimg...|      []|       retweet|\n",
       "|1602740030698668032|Tue Dec 13 18:59:...|Middle school tea...|middle school tea...|             null|         null|              null|                 null|            null|   false|   false|            |          0|          0|            0|             0|               null|      null|            null|               null|               null|            null|           65977294|      Lady_Di_W|Views on current ...|                null|      false|              9|            2|           0|               3|          66|Sat Aug 15 21:02:...|   https://pbs.twimg...|      []|original_tweet|\n",
       "|1602740033059962881|Tue Dec 13 18:59:...|away in a manger ...|away in a manger ...|             null|         null|              null|                 null|            null|   false|   false|            |          0|          0|            0|             0|               null|      null|            null|               null|               null|            null|1187777120593952770|HiddenYorkshire|23yo historian, d...|                null|      false|           2516|          745|          14|           33449|       17975|Fri Oct 25 17:06:...|   https://pbs.twimg...|      []|original_tweet|\n",
       "|1602740040894922755|Tue Dec 13 18:59:...|RT @InSpaceXItrus...|proud dad moment!...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|      null|            null|               null|1601313569970089984|  InSpaceXItrust| 839323933774065664| SoulReaper2222|Climate & animal ...|Currently, North ...|      false|          16174|        15758|          11|          175966|      122814|Wed Mar 08 03:56:...|   https://pbs.twimg...|      []|       retweet|\n",
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+----------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------+--------------+"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df4.limit(10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "da25bda4-f906-46ab-a0c8-b3abde4859b7",
   "metadata": {
    "collapsed": true,
    "jupyter": {
     "outputs_hidden": true
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "23/03/03 16:33:51 WARN org.apache.spark.deploy.yarn.YarnAllocator: Container from a bad node: container_1677847511085_0006_01_000138 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.483]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.483]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.deploy.yarn.YarnAllocator: Container from a bad node: container_1677847511085_0006_01_000150 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.469]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.482]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.deploy.yarn.YarnAllocator: Cannot find executorId for container: container_1677847511085_0006_01_000162\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.cluster.YarnSchedulerBackend$YarnSchedulerEndpoint: Requesting driver to remove executor 138 for reason Container from a bad node: container_1677847511085_0006_01_000138 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.483]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.483]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.cluster.YarnSchedulerBackend$YarnSchedulerEndpoint: Requesting driver to remove executor 150 for reason Container from a bad node: container_1677847511085_0006_01_000150 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.469]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.482]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 ERROR org.apache.spark.scheduler.cluster.YarnScheduler: Lost executor 150 on hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal: Container from a bad node: container_1677847511085_0006_01_000150 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.469]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.482]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 155.0 in stage 47.0 (TID 10867) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 150): ExecutorLostFailure (executor 150 exited caused by one of the running tasks) Reason: Container from a bad node: container_1677847511085_0006_01_000150 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.469]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.482]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 146.0 in stage 47.0 (TID 10858) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 150): ExecutorLostFailure (executor 150 exited caused by one of the running tasks) Reason: Container from a bad node: container_1677847511085_0006_01_000150 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.469]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.482]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 ERROR org.apache.spark.scheduler.cluster.YarnScheduler: Lost executor 138 on hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal: Container from a bad node: container_1677847511085_0006_01_000138 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.483]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.483]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 164.0 in stage 47.0 (TID 10876) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 138): ExecutorLostFailure (executor 138 exited caused by one of the running tasks) Reason: Container from a bad node: container_1677847511085_0006_01_000138 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.483]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.483]Killed by external signal\n",
      ".\n",
      "23/03/03 16:33:51 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 162.0 in stage 47.0 (TID 10874) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 138): ExecutorLostFailure (executor 138 exited caused by one of the running tasks) Reason: Container from a bad node: container_1677847511085_0006_01_000138 on host: hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal. Exit status: 143. Diagnostics: [2023-03-03 16:33:51.469]Container killed on request. Exit code is 143\n",
      "[2023-03-03 16:33:51.483]Container exited with a non-zero exit code 143. \n",
      "[2023-03-03 16:33:51.483]Killed by external signal\n",
      ".\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 33.0 in stage 49.0 (TID 11410) (hub-msca-bdp-dphub-students-kshitijm-sw-q96b.c.msca-bdp-students.internal executor 144): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=165, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389022,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389022,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 14.0 in stage 49.0 (TID 11391) (hub-msca-bdp-dphub-students-kshitijm-sw-q96b.c.msca-bdp-students.internal executor 144): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=70, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389024,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389024,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 29.0 in stage 49.0 (TID 11406) (hub-msca-bdp-dphub-students-kshitijm-sw-vj28.c.msca-bdp-students.internal executor 159): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=145, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389030,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389030,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 38.0 in stage 49.0 (TID 11415) (hub-msca-bdp-dphub-students-kshitijm-sw-q96b.c.msca-bdp-students.internal executor 144): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=190, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389136,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389136,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 16.0 in stage 49.0 (TID 11393) (hub-msca-bdp-dphub-students-kshitijm-sw-g0s8.c.msca-bdp-students.internal executor 161): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=80, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389014,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389014,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 39.0 in stage 49.0 (TID 11416) (hub-msca-bdp-dphub-students-kshitijm-sw-q96b.c.msca-bdp-students.internal executor 144): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=195, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389137,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389137,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 3.0 in stage 49.0 (TID 11380) (hub-msca-bdp-dphub-students-kshitijm-sw-g51f.c.msca-bdp-students.internal executor 149): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=15, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389011,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389011,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 11.0 in stage 49.0 (TID 11388) (hub-msca-bdp-dphub-students-kshitijm-sw-v35f.c.msca-bdp-students.internal executor 156): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=55, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389027,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389027,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 24.0 in stage 49.0 (TID 11401) (hub-msca-bdp-dphub-students-kshitijm-sw-xn61.c.msca-bdp-students.internal executor 160): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=120, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389016,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389016,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 10.0 in stage 49.0 (TID 11387) (hub-msca-bdp-dphub-students-kshitijm-sw-vj28.c.msca-bdp-students.internal executor 159): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=50, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389045,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389045,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 5.0 in stage 49.0 (TID 11382) (hub-msca-bdp-dphub-students-kshitijm-sw-xn61.c.msca-bdp-students.internal executor 160): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=25, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389002,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389002,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 23.0 in stage 49.0 (TID 11400) (hub-msca-bdp-dphub-students-kshitijm-sw-g51f.c.msca-bdp-students.internal executor 153): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=115, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389029,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389029,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 12.0 in stage 49.0 (TID 11389) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 163): FetchFailed(null, shuffleId=14, mapIndex=-1, mapId=-1, reduceId=60, message=\n",
      "org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 14\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2(MapOutputTracker.scala:1013)\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2$adapted(MapOutputTracker.scala:1009)\n",
      "\tat scala.collection.Iterator.foreach(Iterator.scala:943)\n",
      "\tat scala.collection.Iterator.foreach$(Iterator.scala:943)\n",
      "\tat scala.collection.AbstractIterator.foreach(Iterator.scala:1431)\n",
      "\tat org.apache.spark.MapOutputTracker$.convertMapStatuses(MapOutputTracker.scala:1009)\n",
      "\tat org.apache.spark.MapOutputTrackerWorker.getMapSizesByExecutorId(MapOutputTracker.scala:821)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:133)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader(ShuffleManager.scala:63)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader$(ShuffleManager.scala:57)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:73)\n",
      "\tat org.apache.spark.sql.execution.ShuffledRowRDD.compute(ShuffledRowRDD.scala:190)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 31.0 in stage 49.0 (TID 11408) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 163): FetchFailed(null, shuffleId=14, mapIndex=-1, mapId=-1, reduceId=155, message=\n",
      "org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 14\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2(MapOutputTracker.scala:1013)\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2$adapted(MapOutputTracker.scala:1009)\n",
      "\tat scala.collection.Iterator.foreach(Iterator.scala:943)\n",
      "\tat scala.collection.Iterator.foreach$(Iterator.scala:943)\n",
      "\tat scala.collection.AbstractIterator.foreach(Iterator.scala:1431)\n",
      "\tat org.apache.spark.MapOutputTracker$.convertMapStatuses(MapOutputTracker.scala:1009)\n",
      "\tat org.apache.spark.MapOutputTrackerWorker.getMapSizesByExecutorId(MapOutputTracker.scala:821)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:133)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader(ShuffleManager.scala:63)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader$(ShuffleManager.scala:57)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:73)\n",
      "\tat org.apache.spark.sql.execution.ShuffledRowRDD.compute(ShuffledRowRDD.scala:190)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 4.0 in stage 49.0 (TID 11381) (hub-msca-bdp-dphub-students-kshitijm-sw-g51f.c.msca-bdp-students.internal executor 153): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=20, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389031,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389031,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 0.0 in stage 49.0 (TID 11377) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 162): FetchFailed(null, shuffleId=14, mapIndex=-1, mapId=-1, reduceId=0, message=\n",
      "org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 14\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2(MapOutputTracker.scala:1013)\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2$adapted(MapOutputTracker.scala:1009)\n",
      "\tat scala.collection.Iterator.foreach(Iterator.scala:943)\n",
      "\tat scala.collection.Iterator.foreach$(Iterator.scala:943)\n",
      "\tat scala.collection.AbstractIterator.foreach(Iterator.scala:1431)\n",
      "\tat org.apache.spark.MapOutputTracker$.convertMapStatuses(MapOutputTracker.scala:1009)\n",
      "\tat org.apache.spark.MapOutputTrackerWorker.getMapSizesByExecutorId(MapOutputTracker.scala:821)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:133)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader(ShuffleManager.scala:63)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader$(ShuffleManager.scala:57)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:73)\n",
      "\tat org.apache.spark.sql.execution.ShuffledRowRDD.compute(ShuffledRowRDD.scala:190)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 19.0 in stage 49.0 (TID 11396) (hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal executor 162): FetchFailed(null, shuffleId=14, mapIndex=-1, mapId=-1, reduceId=95, message=\n",
      "org.apache.spark.shuffle.MetadataFetchFailedException: Missing an output location for shuffle 14\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2(MapOutputTracker.scala:1013)\n",
      "\tat org.apache.spark.MapOutputTracker$.$anonfun$convertMapStatuses$2$adapted(MapOutputTracker.scala:1009)\n",
      "\tat scala.collection.Iterator.foreach(Iterator.scala:943)\n",
      "\tat scala.collection.Iterator.foreach$(Iterator.scala:943)\n",
      "\tat scala.collection.AbstractIterator.foreach(Iterator.scala:1431)\n",
      "\tat org.apache.spark.MapOutputTracker$.convertMapStatuses(MapOutputTracker.scala:1009)\n",
      "\tat org.apache.spark.MapOutputTrackerWorker.getMapSizesByExecutorId(MapOutputTracker.scala:821)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:133)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader(ShuffleManager.scala:63)\n",
      "\tat org.apache.spark.shuffle.ShuffleManager.getReader$(ShuffleManager.scala:57)\n",
      "\tat org.apache.spark.shuffle.sort.SortShuffleManager.getReader(SortShuffleManager.scala:73)\n",
      "\tat org.apache.spark.sql.execution.ShuffledRowRDD.compute(ShuffledRowRDD.scala:190)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 28.0 in stage 49.0 (TID 11405) (hub-msca-bdp-dphub-students-kshitijm-sw-3b0r.c.msca-bdp-students.internal executor 146): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=140, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389059,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389059,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 13.0 in stage 49.0 (TID 11390) (hub-msca-bdp-dphub-students-kshitijm-sw-3b0r.c.msca-bdp-students.internal executor 148): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=65, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389055,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389055,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 36.0 in stage 49.0 (TID 11413) (hub-msca-bdp-dphub-students-kshitijm-w-1.c.msca-bdp-students.internal executor 145): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=180, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389019,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389019,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 7.0 in stage 49.0 (TID 11384) (hub-msca-bdp-dphub-students-kshitijm-sw-vj28.c.msca-bdp-students.internal executor 154): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=35, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389012,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389012,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 9.0 in stage 49.0 (TID 11386) (hub-msca-bdp-dphub-students-kshitijm-sw-3b0r.c.msca-bdp-students.internal executor 146): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=45, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389057,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389057,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 21.0 in stage 49.0 (TID 11398) (hub-msca-bdp-dphub-students-kshitijm-sw-80nn.c.msca-bdp-students.internal executor 158): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=105, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389117,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389117,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 32.0 in stage 49.0 (TID 11409) (hub-msca-bdp-dphub-students-kshitijm-sw-3b0r.c.msca-bdp-students.internal executor 148): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=160, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389053,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389053,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 26.0 in stage 49.0 (TID 11403) (hub-msca-bdp-dphub-students-kshitijm-sw-vj28.c.msca-bdp-students.internal executor 154): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=130, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389001,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389001,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 20.0 in stage 49.0 (TID 11397) (hub-msca-bdp-dphub-students-kshitijm-sw-80nn.c.msca-bdp-students.internal executor 152): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=100, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389090,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389090,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 1.0 in stage 49.0 (TID 11378) (hub-msca-bdp-dphub-students-kshitijm-sw-80nn.c.msca-bdp-students.internal executor 152): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=5, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389088,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389088,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 22.0 in stage 49.0 (TID 11399) (hub-msca-bdp-dphub-students-kshitijm-sw-g51f.c.msca-bdp-students.internal executor 149): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=110, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389126,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389126,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 2.0 in stage 49.0 (TID 11379) (hub-msca-bdp-dphub-students-kshitijm-sw-80nn.c.msca-bdp-students.internal executor 158): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=10, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389032,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389032,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 37.0 in stage 49.0 (TID 11414) (hub-msca-bdp-dphub-students-kshitijm-sw-xn61.c.msca-bdp-students.internal executor 155): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=185, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389069,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389069,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 8.0 in stage 49.0 (TID 11385) (hub-msca-bdp-dphub-students-kshitijm-sw-g0s8.c.msca-bdp-students.internal executor 157): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=40, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389007,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389007,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 18.0 in stage 49.0 (TID 11395) (hub-msca-bdp-dphub-students-kshitijm-sw-xn61.c.msca-bdp-students.internal executor 155): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=90, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389073,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389073,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 27.0 in stage 49.0 (TID 11404) (hub-msca-bdp-dphub-students-kshitijm-sw-g0s8.c.msca-bdp-students.internal executor 157): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=135, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389008,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389008,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 34.0 in stage 49.0 (TID 11411) (hub-msca-bdp-dphub-students-kshitijm-w-1.c.msca-bdp-students.internal executor 147): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=170, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389081,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389081,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 25.0 in stage 49.0 (TID 11402) (hub-msca-bdp-dphub-students-kshitijm-sw-v35f.c.msca-bdp-students.internal executor 151): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=125, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389043,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389043,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 15.0 in stage 49.0 (TID 11392) (hub-msca-bdp-dphub-students-kshitijm-w-1.c.msca-bdp-students.internal executor 147): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=75, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389085,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389085,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 17.0 in stage 49.0 (TID 11394) (hub-msca-bdp-dphub-students-kshitijm-w-1.c.msca-bdp-students.internal executor 145): FetchFailed(BlockManagerId(150, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=2, mapId=10714, reduceId=85, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389048,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389048,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=150)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 30.0 in stage 49.0 (TID 11407) (hub-msca-bdp-dphub-students-kshitijm-sw-v35f.c.msca-bdp-students.internal executor 156): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=150, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389111,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389111,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 35.0 in stage 49.0 (TID 11412) (hub-msca-bdp-dphub-students-kshitijm-sw-g0s8.c.msca-bdp-students.internal executor 161): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=175, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389104,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389104,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "23/03/03 16:35:52 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 6.0 in stage 49.0 (TID 11383) (hub-msca-bdp-dphub-students-kshitijm-sw-v35f.c.msca-bdp-students.internal executor 151): FetchFailed(BlockManagerId(138, hub-msca-bdp-dphub-students-kshitijm-sw-bbzf.c.msca-bdp-students.internal, 7337, None), shuffleId=14, mapIndex=7, mapId=10719, reduceId=30, message=\n",
      "org.apache.spark.shuffle.FetchFailedException: Failure while fetching StreamChunkId[streamId=429580389064,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.throwFetchFailedException(ShuffleBlockFetcherIterator.scala:777)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:690)\n",
      "\tat org.apache.spark.storage.ShuffleBlockFetcherIterator.next(ShuffleBlockFetcherIterator.scala:70)\n",
      "\tat org.apache.spark.util.CompletionIterator.next(CompletionIterator.scala:29)\n",
      "\tat scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)\n",
      "\tat scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)\n",
      "\tat org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.agg_doAggregateWithKeys_0$(Unknown Source)\n",
      "\tat org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage2.processNext(Unknown Source)\n",
      "\tat org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)\n",
      "\tat org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)\n",
      "\tat scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)\n",
      "\tat scala.collection.convert.Wrappers$IteratorWrapper.hasNext(Wrappers.scala:32)\n",
      "\tat org.sparkproject.guava.collect.Ordering.leastOf(Ordering.java:763)\n",
      "\tat org.apache.spark.util.collection.Utils$.takeOrdered(Utils.scala:37)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$takeOrdered$2(RDD.scala:1518)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.RDD.$anonfun$mapPartitions$2$adapted(RDD.scala:863)\n",
      "\tat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)\n",
      "\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)\n",
      "\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:337)\n",
      "\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)\n",
      "\tat org.apache.spark.scheduler.Task.run(Task.scala:131)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:505)\n",
      "\tat org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)\n",
      "\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:508)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n",
      "\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "Caused by: org.apache.spark.network.client.ChunkFetchFailureException: Failure while fetching StreamChunkId[streamId=429580389064,chunkIndex=0]: java.lang.RuntimeException: Executor is not registered (appId=application_1677847511085_0006, execId=138)\n",
      "\tat org.apache.spark.network.shuffle.ExternalShuffleBlockResolver.getContinuousBlocksData(ExternalShuffleBlockResolver.java:188)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:489)\n",
      "\tat org.apache.spark.network.shuffle.ExternalBlockHandler$ShuffleManagedBufferIterator.next(ExternalBlockHandler.java:445)\n",
      "\tat org.apache.spark.network.server.OneForOneStreamManager.getChunk(OneForOneStreamManager.java:87)\n",
      "\tat org.apache.spark.network.server.ChunkFetchRequestHandler.processFetchRequest(ChunkFetchRequestHandler.java:103)\n",
      "\tat org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:107)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:140)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat org.sparkproject.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat org.sparkproject.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat org.sparkproject.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat org.sparkproject.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat org.sparkproject.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat org.sparkproject.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat org.sparkproject.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\tat java.lang.Thread.run(Thread.java:750)\n",
      "\n",
      "\tat org.apache.spark.network.client.TransportResponseHandler.handle(TransportResponseHandler.java:182)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:142)\n",
      "\tat org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:53)\n",
      "\tat io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat org.apache.spark.network.util.TransportFrameDecoder.channelRead(TransportFrameDecoder.java:102)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)\n",
      "\tat io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)\n",
      "\tat io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)\n",
      "\tat io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)\n",
      "\tat io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)\n",
      "\tat io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)\n",
      "\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)\n",
      "\tat io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)\n",
      "\tat io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)\n",
      "\tat io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n",
      "\t... 1 more\n",
      "\n",
      ")\n",
      "[Stage 49:==================================================>     (36 + 4) / 40]\r"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "+--------------+-----+\n",
      "|  account_name|count|\n",
      "+--------------+-----+\n",
      "|education_24x7| 6730|\n",
      "|LoveLiveFrames| 5721|\n",
      "|      Porxlek1| 5595|\n",
      "|jc_james_clark| 5543|\n",
      "|  studyinnaija| 5149|\n",
      "|      group_kq| 4092|\n",
      "|  educationbnb| 4079|\n",
      "|    techysaavy| 3909|\n",
      "|chuokikuukenya| 3377|\n",
      "|ParentSecurity| 3205|\n",
      "|       poskeos| 2846|\n",
      "| DennisStemmle| 2676|\n",
      "|DeAngelisCorey| 2639|\n",
      "|     zzz_hamed| 2625|\n",
      "|      exobaebi| 2619|\n",
      "|  imbatman2018| 2527|\n",
      "|  dealsoftakis| 2475|\n",
      "|      Tsrha_Kw| 2457|\n",
      "|       Arm_PHN| 2452|\n",
      "|    NewsblazeK| 2434|\n",
      "+--------------+-----+\n",
      "only showing top 20 rows\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "tweets_accounts=twitter_df4.select('account_name').groupby('account_name').count().orderBy('count',ascending=False).show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "c23a90bc-0cb5-44ec-bf52-8212a6e7067a",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "twitter_df4.write.format(\"parquet\").\\\n",
    "mode('overwrite').\\\n",
    "save('gs://' + 'msca-bdp-students-bucket/shared_data/kshitijm' + '/Final_Project-FiltData3')"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2aa84099-2088-4a89-8b01-fa2b6b6dc2cb",
   "metadata": {},
   "source": [
    "### Adding graphs for slides"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "757aea50-aaa4-4521-b413-f0ff02d363a3",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    }
   ],
   "source": [
    "twitter_df3= spark.read.parquet('gs://msca-bdp-students-bucket/shared_data/kshitijm/Final_Project-FiltData3')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "d69d3f3f-971a-45a3-97b9-de8ca35bc518",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "23/03/09 22:01:32 WARN org.apache.spark.sql.catalyst.util.package: Truncated the string representation of a plan since it was too large. This behavior can be adjusted by setting 'spark.sql.debug.maxToStringFields'.\n",
      "                                                                                \r"
     ]
    },
    {
     "data": {
      "text/html": [
       "<table border='1'>\n",
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       "<tr><td>1566378682318462976</td><td>Sun Sep 04 10:52:...</td><td>RT @C_A_Graham: H...</td><td>had another conve...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1566034383559065601</td><td>C_A_Graham</td><td>483864332</td><td>erin_gilbey</td><td>Storyteller and 1...</td><td>Birmingham, England</td><td>false</td><td>442</td><td>601</td><td>8</td><td>15433</td><td>8431</td><td>Sun Feb 05 13:37:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
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       "<tr><td>1566378741508734976</td><td>Sun Sep 04 10:52:...</td><td>You can also tag ...</td><td>you can also tag ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>false</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1566378738438533120</td><td>1299666479344807937</td><td>thxteacher</td><td>null</td><td>null</td><td>null</td><td>1299666479344807937</td><td>thxteacher</td><td>Our Teachers are ...</td><td>null</td><td>false</td><td>902</td><td>69</td><td>1</td><td>325</td><td>1257</td><td>Sat Aug 29 11:13:...</td><td>https://pbs.twimg...</td><td>[TeachersDay, Tha...</td><td>reply</td></tr>\n",
       "<tr><td>1566378743710744576</td><td>Sun Sep 04 10:52:...</td><td>RT @cutedevil5934...</td><td>&quot;teachers play a ...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1566366649912938498</td><td>cutedevil5934</td><td>769516988335067137</td><td>shoaibAlam28</td><td>http://Instagram....</td><td>Jamui, India</td><td>false</td><td>85</td><td>146</td><td>0</td><td>1434</td><td>5245</td><td>Sat Aug 27 12:48:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "<tr><td>1566378745539469312</td><td>Sun Sep 04 10:52:...</td><td>@jenqissante ! 🧚...</td><td>@jenqissante ! 🧚...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>true</td><td>true</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1566373182810234882</td><td>1547185772708909056</td><td>jenqissante</td><td>1496397166339932162</td><td>null</td><td>null</td><td>1307586299893702656</td><td>PaperupPh</td><td>more than 1k+ wor...</td><td>10AM-10PM</td><td>false</td><td>520</td><td>182</td><td>2</td><td>95</td><td>820</td><td>Sun Sep 20 07:44:...</td><td>https://pbs.twimg...</td><td>[]</td><td>quote</td></tr>\n",
       "<tr><td>1566378750090027008</td><td>Sun Sep 04 10:52:...</td><td>RT @SethAbramson:...</td><td>like... one of hi...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>false</td><td>false</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>null</td><td>null</td><td>null</td><td>null</td><td>1566236400785264640</td><td>SethAbramson</td><td>1269070500082450437</td><td>ResisterNell</td><td>Activist, #Resist...</td><td>Kentucky </td><td>false</td><td>9745</td><td>10379</td><td>16</td><td>463255</td><td>333552</td><td>Sat Jun 06 00:57:...</td><td>https://pbs.twimg...</td><td>[]</td><td>retweet</td></tr>\n",
       "</table>\n"
      ],
      "text/plain": [
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+-------------------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------------------+----------+\n",
       "|                 id|          created_at|                text|          tweet_text|tweet_coordinates|tweet_country|tweet_country_code|tweet_place_full_name|tweet_place_type|is_reply|is_quote|is_retweeted|reply_count|quote_count|retweet_count|favorite_count|     rp_original_id|         rp_user_id|rp_original_user|     qu_original_id|     rt_original_id|rt_original_user|         account_id|   account_name| account_description|    account_location|is_verified|total_followers|total_friends|total_listed|total_favourites|total_tweets|  account_created_at|account_profile_picture|            hashtags|tweet_type|\n",
       "+-------------------+--------------------+--------------------+--------------------+-----------------+-------------+------------------+---------------------+----------------+--------+--------+------------+-----------+-----------+-------------+--------------+-------------------+-------------------+----------------+-------------------+-------------------+----------------+-------------------+---------------+--------------------+--------------------+-----------+---------------+-------------+------------+----------------+------------+--------------------+-----------------------+--------------------+----------+\n",
       "|1566378682318462976|Sun Sep 04 10:52:...|RT @C_A_Graham: H...|had another conve...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|               null|            null|               null|1566034383559065601|      C_A_Graham|          483864332|    erin_gilbey|Storyteller and 1...| Birmingham, England|      false|            442|          601|           8|           15433|        8431|Sun Feb 05 13:37:...|   https://pbs.twimg...|                  []|   retweet|\n",
       "|1566378688698097664|Sun Sep 04 10:52:...|RT @Oludeewon: I ...|i hope you have s...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|               null|            null|               null|1566165377796771840|       Oludeewon| 984182548791164928|       Odeshiye|♎\n",
       "...So A Child M...|               Ghana|      false|           4902|         4613|           3|          149571|       92052|Wed Apr 11 21:32:...|   https://pbs.twimg...|                  []|   retweet|\n",
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       "|1566378741508734976|Sun Sep 04 10:52:...|You can also tag ...|you can also tag ...|             null|         null|              null|                 null|            null|    true|   false|            |          0|          0|            0|             0|1566378738438533120|1299666479344807937|      thxteacher|               null|               null|            null|1299666479344807937|     thxteacher|Our Teachers are ...|                null|      false|            902|           69|           1|             325|        1257|Sat Aug 29 11:13:...|   https://pbs.twimg...|[TeachersDay, Tha...|     reply|\n",
       "|1566378743710744576|Sun Sep 04 10:52:...|RT @cutedevil5934...|\"teachers play a ...|             null|         null|              null|                 null|            null|   false|   false|          RT|          0|          0|            0|             0|               null|               null|            null|               null|1566366649912938498|   cutedevil5934| 769516988335067137|   shoaibAlam28|http://Instagram....|        Jamui, India|      false|             85|          146|           0|            1434|        5245|Sat Aug 27 12:48:...|   https://pbs.twimg...|                  []|   retweet|\n",
       "|1566378745539469312|Sun Sep 04 10:52:...|@jenqissante ! 🧚...|@jenqissante ! 🧚...|             null|         null|              null|                 null|            null|    true|    true|            |          0|          0|            0|             0|1566373182810234882|1547185772708909056|     jenqissante|1496397166339932162|               null|            null|1307586299893702656|      PaperupPh|more than 1k+ wor...|           10AM-10PM|      false|            520|          182|           2|              95|         820|Sun Sep 20 07:44:...|   https://pbs.twimg...|                  []|     quote|\n",
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      "                                                                                \r"
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   "source": [
    "sns.set_style(\"white\")\n",
    "pastel_blue = sns.light_palette(\"skyblue\", input=\"rgb\", n_colors=4)\n",
    "sns.set_palette(pastel_blue)\n",
    "\n",
    "\n",
    "_, axes = plt.subplots(nrows=1, ncols=1, figsize=(8, 6))\n",
    "\n",
    "sns.barplot(x=\"tweet_type\", y=\"count\", data=num_tweets, order=num_tweets[\"tweet_type\"].value_counts().index)\n",
    "\n",
    "for p in axes.patches:\n",
    "    axes.annotate(\"%.0f\" % p.get_height(), (p.get_x() + p.get_width() / 2., p.get_height()),\n",
    "                ha='center', va='center', fontsize=11, color='gray', xytext=(0, 10),\n",
    "                textcoords='offset points')\n",
    "\n",
    "\n",
    "x_labels = ['Re-Tweets','Original Tweets','Quotes','Replies']\n",
    "axes.set_xticklabels(x_labels)\n",
    "\n",
    "plt.title('Different types of Tweets in our data')\n",
    "plt.xlabel('Types of Tweets')\n",
    "plt.ylabel('No. of Tweets')\n",
    "\n",
    "sns.despine()\n",
    "plt.show()\n"
   ]
  },
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   "execution_count": 30,
   "id": "3154f3a2-1274-490f-818c-d69b679a8fc2",
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       "<Figure size 600x500 with 1 Axes>"
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     },
     "metadata": {},
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    }
   ],
   "source": [
    "sns.set_style(\"white\")\n",
    "pastel_blue = sns.light_palette(\"skyblue\", input=\"rgb\", n_colors=4)\n",
    "sns.set_palette(pastel_blue)\n",
    "\n",
    "\n",
    "_, axes = plt.subplots(nrows=1, ncols=1, figsize=(6, 5))\n",
    "\n",
    "sns.barplot(y=\"tweet_type\", x=\"count\", data=num_tweets, orient='h' ,order=num_tweets[\"tweet_type\"].value_counts().index)\n",
    "\n",
    "# for p in axes.patches:\n",
    "#     axes.annotate(\"%.0f\" % p.get_height(), (p.get_x() + p.get_width() / 2., p.get_height()),\n",
    "#                 ha='center', va='center', fontsize=11, color='gray', xytext=(0, 10),\n",
    "#                 textcoords='offset points')\n",
    "\n",
    "for p in axes.patches:\n",
    "    width = p.get_width()\n",
    "    axes.annotate('{:.0f}'.format(width), xy=(width, p.get_y() + p.get_height() / 2),\n",
    "                xytext=(3, 0), textcoords='offset points', ha='left', va='center')\n",
    "\n",
    "\n",
    "\n",
    "y_labels = ['Re-Tweets','Original Tweets','Quotes','Replies']\n",
    "axes.set_yticklabels(y_labels)\n",
    "\n",
    "plt.title('Different types of Tweets in our data')\n",
    "plt.ylabel('Types of Tweets')\n",
    "plt.xlabel('No. of Tweets')\n",
    "\n",
    "sns.despine()\n",
    "plt.show()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "f76fa707-1e80-4020-9139-baa4133f0606",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
     "data": {
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       "<table border='1'>\n",
       "<tr><th>summary</th><th>id</th><th>created_at</th><th>text</th><th>tweet_text</th><th>tweet_country</th><th>tweet_country_code</th><th>tweet_place_full_name</th><th>tweet_place_type</th><th>is_retweeted</th><th>reply_count</th><th>quote_count</th><th>retweet_count</th><th>favorite_count</th><th>rp_original_id</th><th>rp_user_id</th><th>rp_original_user</th><th>qu_original_id</th><th>rt_original_id</th><th>rt_original_user</th><th>account_id</th><th>account_name</th><th>account_description</th><th>account_location</th><th>total_followers</th><th>total_friends</th><th>total_listed</th><th>total_favourites</th><th>total_tweets</th><th>account_created_at</th><th>account_profile_picture</th><th>tweet_type</th></tr>\n",
       "<tr><td>count</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>233950</td><td>233950</td><td>233950</td><td>233950</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>4405299</td><td>4531904</td><td>4531904</td><td>2436519</td><td>18061110</td><td>18061110</td><td>27102994</td><td>27102994</td><td>27102994</td><td>18884337</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td><td>27102994</td></tr>\n",
       "<tr><td>mean</td><td>1.563873274165745...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.0</td><td>1.564375955078438...</td><td>6.15277421369952E17</td><td>Infinity</td><td>1.555701182634171...</td><td>1.561165781131480...</td><td>Infinity</td><td>6.723812124037050...</td><td>Infinity</td><td>NaN</td><td>NaN</td><td>9138.458677295948</td><td>1780.6271475394933</td><td>53.01451858049336</td><td>54190.82665055381</td><td>51094.215287026964</td><td>null</td><td>null</td><td>null</td></tr>\n",
       "<tr><td>stddev</td><td>3.198703937422317...</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>null</td><td>0.0</td><td>0.0</td><td>0.0</td><td>0.0</td><td>3.725229940848747...</td><td>6.467331970363066...</td><td>NaN</td><td>7.731210207574136E16</td><td>4.124832126728704E16</td><td>NaN</td><td>6.449867495230881...</td><td>NaN</td><td>NaN</td><td>NaN</td><td>279497.093644459</td><td>5951.313898424554</td><td>1054.6902220749653</td><td>103244.4261935843</td><td>115457.88731993045</td><td>null</td><td>null</td><td>null</td></tr>\n",
       "<tr><td>min</td><td>1511197336445370373</td><td>Fri Apr 08 00:00:...</td><td>!\n",
       "Indoctrination ...</td><td>!\n",
       "\n",
       "no mage today,...</td><td></td><td></td><td>1010XL Jax Sports...</td><td>admin</td><td></td><td>0</td><td>0</td><td>0</td><td>0</td><td>1137371615</td><td>12</td><td>0</td><td>380</td><td>504545832</td><td>0000000007Y</td><td>22</td><td>00000000</td><td>!</td><td>\bChina</td><td>0</td><td>0</td><td>0</td><td>0</td><td>1</td><td>Fri Apr 01 00:00:...</td><td>https://abs.twimg...</td><td>original_tweet</td></tr>\n",
       "<tr><td>max</td><td>1623308317287149569</td><td>Wed Sep 28 23:59:...</td><td>󠀠󠀠\n",
       "\n",
       "          ?...</td><td>󠀠󠀠\n",
       "\n",
       "          ?...</td><td>대한민국</td><td>ZW</td><td> Ascot Internati...</td><td>poi</td><td>RT</td><td>0</td><td>0</td><td>0</td><td>0</td><td>1623307516154093568</td><td>1623227858436108289</td><td>zzzzzzzzzzzzay</td><td>1623302761654755328</td><td>1623307773202006019</td><td>zzzztsz</td><td>1623305168291864577</td><td>zzzzzzzzzzzzzfm</td><td>󾓪 // ☭ //🏺</td><td>󰟷yeh.shaa_ 39sak...</td><td>108899882</td><td>4131219</td><td>217883</td><td>3470796</td><td>9704446</td><td>Wed Sep 30 23:59:...</td><td>https://pbs.twimg...</td><td>retweet</td></tr>\n",
       "</table>\n"
      ],
      "text/plain": [
       "+-------+--------------------+--------------------+--------------------+--------------------+-------------+------------------+---------------------+----------------+------------+-----------+-----------+-------------+--------------+--------------------+--------------------+----------------+--------------------+--------------------+----------------+--------------------+---------------+-------------------+--------------------+-----------------+------------------+------------------+-----------------+------------------+--------------------+-----------------------+--------------+\n",
       "|summary|                  id|          created_at|                text|          tweet_text|tweet_country|tweet_country_code|tweet_place_full_name|tweet_place_type|is_retweeted|reply_count|quote_count|retweet_count|favorite_count|      rp_original_id|          rp_user_id|rp_original_user|      qu_original_id|      rt_original_id|rt_original_user|          account_id|   account_name|account_description|    account_location|  total_followers|     total_friends|      total_listed| total_favourites|      total_tweets|  account_created_at|account_profile_picture|    tweet_type|\n",
       "+-------+--------------------+--------------------+--------------------+--------------------+-------------+------------------+---------------------+----------------+------------+-----------+-----------+-------------+--------------+--------------------+--------------------+----------------+--------------------+--------------------+----------------+--------------------+---------------+-------------------+--------------------+-----------------+------------------+------------------+-----------------+------------------+--------------------+-----------------------+--------------+\n",
       "|  count|            27102994|            27102994|            27102994|            27102994|       233950|            233950|               233950|          233950|    27102994|   27102994|   27102994|     27102994|      27102994|             4405299|             4531904|         4531904|             2436519|            18061110|        18061110|            27102994|       27102994|           27102994|            18884337|         27102994|          27102994|          27102994|         27102994|          27102994|            27102994|               27102994|      27102994|\n",
       "|   mean|1.563873274165745...|                null|                null|                null|         null|              null|                 null|            null|        null|        0.0|        0.0|          0.0|           0.0|1.564375955078438...| 6.15277421369952E17|        Infinity|1.555701182634171...|1.561165781131480...|        Infinity|6.723812124037050...|       Infinity|                NaN|                 NaN|9138.458677295948|1780.6271475394933| 53.01451858049336|54190.82665055381|51094.215287026964|                null|                   null|          null|\n",
       "| stddev|3.198703937422317...|                null|                null|                null|         null|              null|                 null|            null|        null|        0.0|        0.0|          0.0|           0.0|3.725229940848747...|6.467331970363066...|             NaN|7.731210207574136E16|4.124832126728704E16|             NaN|6.449867495230881...|            NaN|                NaN|                 NaN| 279497.093644459| 5951.313898424554|1054.6902220749653|103244.4261935843|115457.88731993045|                null|                   null|          null|\n",
       "|    min| 1511197336445370373|Fri Apr 08 00:00:...|!\n",
       "Indoctrination ...|!\n",
       "\n",
       "no mage today,...|             |                  | 1010XL Jax Sports...|           admin|            |          0|          0|            0|             0|          1137371615|                  12|               0|                 380|           504545832|     0000000007Y|                  22|       00000000|                  !|              \bChina|                0|                 0|                 0|                0|                 1|Fri Apr 01 00:00:...|   https://abs.twimg...|original_tweet|\n",
       "|    max| 1623308317287149569|Wed Sep 28 23:59:...|󠀠󠀠\n",
       "\n",
       "          ?...|󠀠󠀠\n",
       "\n",
       "          ?...|     대한민국|                ZW|  Ascot Internati...|             poi|          RT|          0|          0|            0|             0| 1623307516154093568| 1623227858436108289|  zzzzzzzzzzzzay| 1623302761654755328| 1623307773202006019|         zzzztsz| 1623305168291864577|zzzzzzzzzzzzzfm|       󾓪 // ☭ //🏺|󰟷yeh.shaa_ 39sak...|        108899882|           4131219|            217883|          3470796|           9704446|Wed Sep 30 23:59:...|   https://pbs.twimg...|       retweet|\n",
       "+-------+--------------------+--------------------+--------------------+--------------------+-------------+------------------+---------------------+----------------+------------+-----------+-----------+-------------+--------------+--------------------+--------------------+----------------+--------------------+--------------------+----------------+--------------------+---------------+-------------------+--------------------+-----------------+------------------+------------------+-----------------+------------------+--------------------+-----------------------+--------------+"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df3.describe()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "1e97cc56-7075-4965-9613-830708054541",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "                                                                                \r"
     ]
    },
    {
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       "      <td>!\\nIndoctrination  Dept.\\n\\nAnd Don't Tell the Parents!\\n\\nThe pronoun nonsense is just the tip ...</td>\n",
       "      <td>󠀠󠀠\\n\\n          𝐋𝐄𝐄 is a 37 year old former history professor —- Currently Clementine’s professi...</td>\n",
       "    </tr>\n",
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       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>!\\n\\nno mage today, she is busy at \\nschool . as for what the school\\nis teaching her . . . \\n\\n...</td>\n",
       "      <td>󠀠󠀠\\n\\n          𝐋𝐄𝐄 is a 37 year old former history professor —- currently clementine’s professi...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_country</th>\n",
       "      <td>233950</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td></td>\n",
       "      <td>대한민국</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_country_code</th>\n",
       "      <td>233950</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td></td>\n",
       "      <td>ZW</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_place_full_name</th>\n",
       "      <td>233950</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>1010XL Jax Sports Radio</td>\n",
       "      <td> Ascot International School</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_place_type</th>\n",
       "      <td>233950</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>admin</td>\n",
       "      <td>poi</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>is_retweeted</th>\n",
       "      <td>27102994</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td></td>\n",
       "      <td>RT</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>reply_count</th>\n",
       "      <td>27102994</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>quote_count</th>\n",
       "      <td>27102994</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>retweet_count</th>\n",
       "      <td>27102994</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>favorite_count</th>\n",
       "      <td>27102994</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>0</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>rp_original_id</th>\n",
       "      <td>4405299</td>\n",
       "      <td>1.56437595507843891E18</td>\n",
       "      <td>3.725229940848748E16</td>\n",
       "      <td>1137371615</td>\n",
       "      <td>1623307516154093568</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>rp_user_id</th>\n",
       "      <td>4531904</td>\n",
       "      <td>6.1527742136995213E17</td>\n",
       "      <td>6.4673319703630669E17</td>\n",
       "      <td>12</td>\n",
       "      <td>1623227858436108289</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>rp_original_user</th>\n",
       "      <td>4531904</td>\n",
       "      <td>Infinity</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0</td>\n",
       "      <td>zzzzzzzzzzzzay</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>qu_original_id</th>\n",
       "      <td>2436519</td>\n",
       "      <td>1.5557011826341719E18</td>\n",
       "      <td>7.731210207574136E16</td>\n",
       "      <td>380</td>\n",
       "      <td>1623302761654755328</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>rt_original_id</th>\n",
       "      <td>18061110</td>\n",
       "      <td>1.56116578113148083E18</td>\n",
       "      <td>4.124832126728704E16</td>\n",
       "      <td>504545832</td>\n",
       "      <td>1623307773202006019</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>rt_original_user</th>\n",
       "      <td>18061110</td>\n",
       "      <td>Infinity</td>\n",
       "      <td>NaN</td>\n",
       "      <td>0000000007Y</td>\n",
       "      <td>zzzztsz</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_id</th>\n",
       "      <td>27102994</td>\n",
       "      <td>6.7238121240370483E17</td>\n",
       "      <td>6.4498674952308838E17</td>\n",
       "      <td>22</td>\n",
       "      <td>1623305168291864577</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_name</th>\n",
       "      <td>27102994</td>\n",
       "      <td>Infinity</td>\n",
       "      <td>NaN</td>\n",
       "      <td>00000000</td>\n",
       "      <td>zzzzzzzzzzzzzfm</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_description</th>\n",
       "      <td>27102994</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>!</td>\n",
       "      <td>󾓪 // ☭ //🏺</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_location</th>\n",
       "      <td>18884337</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>\bChina</td>\n",
       "      <td>󰟷yeh.shaa_ 39saku_chan</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>total_followers</th>\n",
       "      <td>27102994</td>\n",
       "      <td>9138.458677295948</td>\n",
       "      <td>279497.09364445903</td>\n",
       "      <td>0</td>\n",
       "      <td>108899882</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>total_friends</th>\n",
       "      <td>27102994</td>\n",
       "      <td>1780.6271475394933</td>\n",
       "      <td>5951.3138984245525</td>\n",
       "      <td>0</td>\n",
       "      <td>4131219</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>total_listed</th>\n",
       "      <td>27102994</td>\n",
       "      <td>53.01451858049336</td>\n",
       "      <td>1054.6902220749653</td>\n",
       "      <td>0</td>\n",
       "      <td>217883</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>total_favourites</th>\n",
       "      <td>27102994</td>\n",
       "      <td>54190.82665055381</td>\n",
       "      <td>103244.42619358432</td>\n",
       "      <td>0</td>\n",
       "      <td>3470796</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>total_tweets</th>\n",
       "      <td>27102994</td>\n",
       "      <td>51094.215287026964</td>\n",
       "      <td>115457.88731993045</td>\n",
       "      <td>1</td>\n",
       "      <td>9704446</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_created_at</th>\n",
       "      <td>27102994</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>Fri Apr 01 00:00:13 +0000 2011</td>\n",
       "      <td>Wed Sep 30 23:59:54 +0000 2020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>account_profile_picture</th>\n",
       "      <td>27102994</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>https://abs.twimg.com/sticky/default_profile_images/default_profile_normal.png</td>\n",
       "      <td>https://pbs.twimg.com/profile_images/999999940683329537/xkJ2rl6d_normal.jpg</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>tweet_type</th>\n",
       "      <td>27102994</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>original_tweet</td>\n",
       "      <td>retweet</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                0                       1  \\\n",
       "summary                     count                    mean   \n",
       "id                       27102994   1.5638732741657449E18   \n",
       "created_at               27102994                    None   \n",
       "text                     27102994                    None   \n",
       "tweet_text               27102994                    None   \n",
       "tweet_country              233950                    None   \n",
       "tweet_country_code         233950                    None   \n",
       "tweet_place_full_name      233950                    None   \n",
       "tweet_place_type           233950                    None   \n",
       "is_retweeted             27102994                    None   \n",
       "reply_count              27102994                     0.0   \n",
       "quote_count              27102994                     0.0   \n",
       "retweet_count            27102994                     0.0   \n",
       "favorite_count           27102994                     0.0   \n",
       "rp_original_id            4405299  1.56437595507843891E18   \n",
       "rp_user_id                4531904   6.1527742136995213E17   \n",
       "rp_original_user          4531904                Infinity   \n",
       "qu_original_id            2436519   1.5557011826341719E18   \n",
       "rt_original_id           18061110  1.56116578113148083E18   \n",
       "rt_original_user         18061110                Infinity   \n",
       "account_id               27102994   6.7238121240370483E17   \n",
       "account_name             27102994                Infinity   \n",
       "account_description      27102994                     NaN   \n",
       "account_location         18884337                     NaN   \n",
       "total_followers          27102994       9138.458677295948   \n",
       "total_friends            27102994      1780.6271475394933   \n",
       "total_listed             27102994       53.01451858049336   \n",
       "total_favourites         27102994       54190.82665055381   \n",
       "total_tweets             27102994      51094.215287026964   \n",
       "account_created_at       27102994                    None   \n",
       "account_profile_picture  27102994                    None   \n",
       "tweet_type               27102994                    None   \n",
       "\n",
       "                                             2  \\\n",
       "summary                                 stddev   \n",
       "id                       3.1987039374223184E16   \n",
       "created_at                                None   \n",
       "text                                      None   \n",
       "tweet_text                                None   \n",
       "tweet_country                             None   \n",
       "tweet_country_code                        None   \n",
       "tweet_place_full_name                     None   \n",
       "tweet_place_type                          None   \n",
       "is_retweeted                              None   \n",
       "reply_count                                0.0   \n",
       "quote_count                                0.0   \n",
       "retweet_count                              0.0   \n",
       "favorite_count                             0.0   \n",
       "rp_original_id            3.725229940848748E16   \n",
       "rp_user_id               6.4673319703630669E17   \n",
       "rp_original_user                           NaN   \n",
       "qu_original_id            7.731210207574136E16   \n",
       "rt_original_id            4.124832126728704E16   \n",
       "rt_original_user                           NaN   \n",
       "account_id               6.4498674952308838E17   \n",
       "account_name                               NaN   \n",
       "account_description                        NaN   \n",
       "account_location                           NaN   \n",
       "total_followers             279497.09364445903   \n",
       "total_friends               5951.3138984245525   \n",
       "total_listed                1054.6902220749653   \n",
       "total_favourites            103244.42619358432   \n",
       "total_tweets                115457.88731993045   \n",
       "account_created_at                        None   \n",
       "account_profile_picture                   None   \n",
       "tweet_type                                None   \n",
       "\n",
       "                                                                                                                           3  \\\n",
       "summary                                                                                                                  min   \n",
       "id                                                                                                       1511197336445370373   \n",
       "created_at                                                                                    Fri Apr 08 00:00:00 +0000 2022   \n",
       "text                     !\\nIndoctrination  Dept.\\n\\nAnd Don't Tell the Parents!\\n\\nThe pronoun nonsense is just the tip ...   \n",
       "tweet_text               !\\n\\nno mage today, she is busy at \\nschool . as for what the school\\nis teaching her . . . \\n\\n...   \n",
       "tweet_country                                                                                                                  \n",
       "tweet_country_code                                                                                                             \n",
       "tweet_place_full_name                                                                                1010XL Jax Sports Radio   \n",
       "tweet_place_type                                                                                                       admin   \n",
       "is_retweeted                                                                                                                   \n",
       "reply_count                                                                                                                0   \n",
       "quote_count                                                                                                                0   \n",
       "retweet_count                                                                                                              0   \n",
       "favorite_count                                                                                                             0   \n",
       "rp_original_id                                                                                                    1137371615   \n",
       "rp_user_id                                                                                                                12   \n",
       "rp_original_user                                                                                                           0   \n",
       "qu_original_id                                                                                                           380   \n",
       "rt_original_id                                                                                                     504545832   \n",
       "rt_original_user                                                                                                 0000000007Y   \n",
       "account_id                                                                                                                22   \n",
       "account_name                                                                                                        00000000   \n",
       "account_description                                                                                                        !   \n",
       "account_location                                                                                                      \bChina   \n",
       "total_followers                                                                                                            0   \n",
       "total_friends                                                                                                              0   \n",
       "total_listed                                                                                                               0   \n",
       "total_favourites                                                                                                           0   \n",
       "total_tweets                                                                                                               1   \n",
       "account_created_at                                                                            Fri Apr 01 00:00:13 +0000 2011   \n",
       "account_profile_picture                       https://abs.twimg.com/sticky/default_profile_images/default_profile_normal.png   \n",
       "tweet_type                                                                                                    original_tweet   \n",
       "\n",
       "                                                                                                                           4  \n",
       "summary                                                                                                                  max  \n",
       "id                                                                                                       1623308317287149569  \n",
       "created_at                                                                                    Wed Sep 28 23:59:59 +0000 2022  \n",
       "text                     󠀠󠀠\\n\\n          𝐋𝐄𝐄 is a 37 year old former history professor —- Currently Clementine’s professi...  \n",
       "tweet_text               󠀠󠀠\\n\\n          𝐋𝐄𝐄 is a 37 year old former history professor —- currently clementine’s professi...  \n",
       "tweet_country                                                                                                           대한민국  \n",
       "tweet_country_code                                                                                                        ZW  \n",
       "tweet_place_full_name                                                                            Ascot International School  \n",
       "tweet_place_type                                                                                                         poi  \n",
       "is_retweeted                                                                                                              RT  \n",
       "reply_count                                                                                                                0  \n",
       "quote_count                                                                                                                0  \n",
       "retweet_count                                                                                                              0  \n",
       "favorite_count                                                                                                             0  \n",
       "rp_original_id                                                                                           1623307516154093568  \n",
       "rp_user_id                                                                                               1623227858436108289  \n",
       "rp_original_user                                                                                              zzzzzzzzzzzzay  \n",
       "qu_original_id                                                                                           1623302761654755328  \n",
       "rt_original_id                                                                                           1623307773202006019  \n",
       "rt_original_user                                                                                                     zzzztsz  \n",
       "account_id                                                                                               1623305168291864577  \n",
       "account_name                                                                                                 zzzzzzzzzzzzzfm  \n",
       "account_description                                                                                               󾓪 // ☭ //🏺  \n",
       "account_location                                                                                      󰟷yeh.shaa_ 39saku_chan  \n",
       "total_followers                                                                                                    108899882  \n",
       "total_friends                                                                                                        4131219  \n",
       "total_listed                                                                                                          217883  \n",
       "total_favourites                                                                                                     3470796  \n",
       "total_tweets                                                                                                         9704446  \n",
       "account_created_at                                                                            Wed Sep 30 23:59:54 +0000 2020  \n",
       "account_profile_picture                          https://pbs.twimg.com/profile_images/999999940683329537/xkJ2rl6d_normal.jpg  \n",
       "tweet_type                                                                                                           retweet  "
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "twitter_df3.describe().toPandas().transpose()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9d12781a-e228-41aa-b4e6-a113120edd71",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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