ACHE server crashes while stopping crawler using API GET /stopCrawl

[aecio]

Error happens in the underlying RocksDB database. Sample stacktrace:

[2017-07-25 18:58:19,745] INFO [AsyncCrawler] (LinkStorage.java:75) - Shutting down FrontierManager...
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x000000012e9582fc, pid=45877, tid=0x0000000000015717
#
# JRE version: Java(TM) SE Runtime Environment (8.0_121-b13) (build 1.8.0_121-b13)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.121-b13 mixed mode bsd-amd64 compressed oops)
# Problematic frame:
# C  [librocksdbjni201119282549468333.jnilib+0x16d2fc]  _ZN7rocksdb15BlockBasedTable20NewDataBlockIteratorEPNS0_3RepERKNS_11ReadOptionsERKNS_5SliceEPNS_9BlockIterE+0x7c
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# ~/ache/hs_err_pid45877.log
Compiled method (nm)  174607 2102     n 0       org.rocksdb.RocksIterator::next0 (native)
 total in heap  [0x000000011c8c37d0,0x000000011c8c3af8] = 808
 relocation     [0x000000011c8c38f8,0x000000011c8c3938] = 64
 main code      [0x000000011c8c3940,0x000000011c8c3af0] = 432
 oops           [0x000000011c8c3af0,0x000000011c8c3af8] = 8
[2017-07-25 18:58:19,786] INFO [AsyncCrawler] (LinkStorage.java:77) - done.
[2017-07-25 18:58:19,790] INFO [AsyncCrawler] (AsyncCrawler.java:112) - Shutdown finished.
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
Abort trap: 6