duplicate key value violates unique constraint "io_storages_localfilesexportstoragelink_annotation_id_key" DETAIL: Key (annotation_id)=(25) already exists.

[amira133]

Describe the bug
when submitting an annotation show error:

duplicate key value violates unique constraint "io_storages_localfilesexportstoragelink_annotation_id_key"
DETAIL:  Key (annotation_id)=(25) already exists.

To Reproduce
Steps to reproduce the behavior:
I am new to label studio, I using these step to install label studio:

1. create a yml file like this:

version: "3.9"
services:
  nginx:
    build: .
    image: heartexlabs/label-studio:latest
    restart: unless-stopped
    ports:
      - "8080:8085"
      - "8081:8086"
    depends_on:
      - app
    environment:
      - LABEL_STUDIO_HOST=${LABEL_STUDIO_HOST:-}
    #   Optional: Specify SSL termination certificate & key
    #   Just drop your cert.pem and cert.key into folder 'deploy/nginx/certs'
    #      - NGINX_SSL_CERT=/certs/cert.pem
    #      - NGINX_SSL_CERT_KEY=/certs/cert.key
    volumes:
      - ./mydata:/label-studio/data:rw
      - ./deploy/nginx/certs:/certs:ro
      - /shared/public/data:/data:rw
    #   Optional: Override nginx default conf
    #      - ./deploy/my.conf:/etc/nginx/nginx.conf
    command: nginx

  app:
    stdin_open: true
    tty: true
    build: .
    image: heartexlabs/label-studio:latest
    restart: unless-stopped
    expose:
      - "8000"
    depends_on:
      - db
    environment:
      - DJANGO_DB=default
      - POSTGRE_NAME=postgres
      - POSTGRE_USER=postgres
      - POSTGRE_PASSWORD=
      - POSTGRE_PORT=5432
      - POSTGRE_HOST=db
      - LABEL_STUDIO_HOST=${LABEL_STUDIO_HOST:-}
      - JSON_LOG=1
      - LABEL_STUDIO_DISABLE_SIGNUP_WITHOUT_LINK=true
      - LABEL_STUDIO_LOCAL_FILES_SERVING_ENABLED=true
 - LABEL_STUDIO_LOCAL_FILES_DOCUMENT_ROOT=/data
    #      - LOG_LEVEL=DEBUG
    volumes:
      - ./mydata:/label-studio/data:rw
      - /shared/public/data:/data:rw
    command: label-studio-uwsgi

  db:
    image: postgres:11.5
    hostname: db
    restart: unless-stopped
    # Optional: Enable TLS on PostgreSQL
    # Just drop your server.crt and server.key into folder 'deploy/pgsql/certs'
    # NOTE: Both files must have permissions u=rw (0600) or less
    #    command: >
    #      -c ssl=on
    #      -c ssl_cert_file=/var/lib/postgresql/certs/server.crt
    #      -c ssl_key_file=/var/lib/postgresql/certs/server.key
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust
    volumes:
      - ${POSTGRES_DATA_DIR:-./postgres-data}:/var/lib/postgresql/data
      - ./deploy/pgsql/certs:/var/lib/postgresql/certs:ro
      - /shared/public/data:/data:rw

2- call docker-compose up -d
3- then add source/target local storage
4- start annotating images
5- when click submit show error

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 581, in get_or_create
    return self.get(**kwargs), False
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 435, in get
    raise self.model.DoesNotExist(
io_storages.localfiles.models.LocalFilesExportStorageLink.DoesNotExist: LocalFilesExportStorageLink matching query does not exist.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
psycopg2.errors.UniqueViolation: duplicate key value violates unique constraint "io_storages_localfilesexportstoragelink_annotation_id_key"
DETAIL:  Key (annotation_id)=(25) already exists.


The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/django/utils/decorators.py", line 43, in _wrapper
    return bound_method(*args, **kwargs)
  File "/label-studio/label_studio/./webhooks/utils.py", line 162, in wrap
    response = func(self, request, *args, **kwargs)
  File "/label-studio/label_studio/./tasks/api.py", line 366, in post
    return super(AnnotationsListAPI, self).post(request, *args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/rest_framework/generics.py", line 242, in post
    return self.create(request, *args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/rest_framework/mixins.py", line 19, in create
    self.perform_create(serializer)
  File "/label-studio/label_studio/./tasks/api.py", line 426, in perform_create
    annotation = ser.save(**extra_args)
  File "/usr/local/lib/python3.10/dist-packages/rest_framework/serializers.py", line 212, in save
    self.instance = self.create(validated_data)
  File "/label-studio/label_studio/./tasks/serializers.py", line 61, in create
    return super().create(*args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/rest_framework/serializers.py", line 962, in create
    instance = ModelClass._default_manager.create(**validated_data)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 453, in create
    obj.save(force_insert=True, using=self.db)
  File "/label-studio/label_studio/./tasks/models.py", line 731, in save
    result = super().save(*args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 739, in save
    self.save_base(using=using, force_insert=force_insert,
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 787, in save_base
    post_save.send(
  File "/usr/local/lib/python3.10/dist-packages/django/dispatch/dispatcher.py", line 180, in send
    return [
  File "/usr/local/lib/python3.10/dist-packages/django/dispatch/dispatcher.py", line 181, in <listcomp>
    (receiver, receiver(signal=self, sender=sender, **named))
  File "/usr/local/lib/python3.10/dist-packages/sentry_sdk/integrations/django/signals_handlers.py", line 66, in wrapper
    return receiver(*args, **kwargs)
  File "/label-studio/label_studio/./io_storages/localfiles/models.py", line 142, in export_annotation_to_local_files
    storage.save_annotation(instance)
  File "/label-studio/label_studio/./io_storages/localfiles/models.py", line 125, in save_annotation
    LocalFilesExportStorageLink.create(annotation, self)
  File "/label-studio/label_studio/./io_storages/base_models.py", line 629, in create
    link, created = cls.objects.get_or_create(annotation=annotation, storage=storage, object_exists=True)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 588, in get_or_create
    return self.create(**params), True
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 453, in create
    obj.save(force_insert=True, using=self.db)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 739, in save
    self.save_base(using=using, force_insert=force_insert,
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 776, in save_base
    updated = self._save_table(
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 881, in _save_table
    results = self._do_insert(cls._base_manager, using, fields, returning_fields, raw)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/base.py", line 919, in _do_insert
    return manager._insert(
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/query.py", line 1270, in _insert
    return query.get_compiler(using=using).execute_sql(returning_fields)
  File "/usr/local/lib/python3.10/dist-packages/django/db/models/sql/compiler.py", line 1416, in execute_sql
    cursor.execute(sql, params)
  File "/usr/local/lib/python3.10/dist-packages/sentry_sdk/integrations/django/__init__.py", line 629, in execute
    return real_execute(self, sql, params)
  File "/usr/local/lib/python3.10/dist-packages/django/db/backends/utils.py", line 66, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "/usr/local/lib/python3.10/dist-packages/django/db/backends/utils.py", line 75, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "/usr/local/lib/python3.10/dist-packages/django/db/backends/utils.py", line 79, in _execute
    with self.db.wrap_database_errors:
  File "/usr/local/lib/python3.10/dist-packages/django/db/utils.py", line 90, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/usr/local/lib/python3.10/dist-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
django.db.utils.IntegrityError: duplicate key value violates unique constraint "io_storages_localfilesexportstoragelink_annotation_id_key"
DETAIL:  Key (annotation_id)=(25) already exists.

Screenshots

Environment (please complete the following information):

• OS: ubuntu 20.04
• Label Studio Version :1.12.0

Additional context
Add any other context about the problem here.

[sajarin]

Thanks for the bug report @amira133 I know it's been a while. Does this issue still happen on the latest version? Are you still facing this issue?

[amira133]

yes, its occured in version 1.12.1