Migrations failing with "core_objecttype already exists" when upgrading from 4.3.7 to 4.4.x #1076

New Issue

MrUnknownDE · 2026-04-05T20:17:51+02:00

MrUnknownDE commented

2026-04-05 20:17:51 +02:00

Originally created by @mraerino on 10/14/2025

NetBox Edition

NetBox Community

NetBox Version

v4.4.2

Python Version

3.12

Steps to Reproduce

Run Netbox 4.3.7
Update to Netbox 4.4.0 or 4.4.1 or 4.4.2
See migrations fails with django.db.utils.ProgrammingError: relation "core_objecttype" already exists

This feels related to https://github.com/netbox-community/netbox/issues/20290 but is also different.

Expected Behavior

I expect an upgrade from 4.3.7 to 4.4.0 to work seamlessly.

Observed Behavior

Full stacktrace

⚙️ Applying database migrations
🧬 loaded config '/etc/netbox/config/configuration.py'
🧬 loaded config '/etc/netbox/config/extra.py'
🧬 loaded config '/etc/netbox/config/logging.py'
🧬 loaded config '/etc/netbox/config/plugins.py'
Operations to perform:
  Apply all migrations: account, auth, circuits, contenttypes, core, dcim, django_rq, extras, ipam, sessions, social_django, taggit, tenancy, thumbnail, users, virtualization, vpn, wireless
Running migrations:
Traceback (most recent call last):
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 103, in _execute
    return self.cursor.execute(sql)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/psycopg/cursor.py", line 97, in execute
    raise ex.with_traceback(None)
psycopg.errors.DuplicateTable: relation "core_objecttype" already exists
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/opt/netbox/netbox/./manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
    utility.execute()
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/__init__.py", line 436, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 416, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 460, in execute
    output = self.handle(*args, **options)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 107, in wrapper
    res = handle_func(*args, **kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/commands/migrate.py", line 353, in handle
    post_migrate_state = executor.migrate(
                         ^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 135, in migrate
    state = self._migrate_all_forwards(
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 167, in _migrate_all_forwards
    state = self.apply_migration(
            ^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 255, in apply_migration
    state = migration.apply(state, schema_editor)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/migration.py", line 132, in apply
    operation.database_forwards(
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/operations/models.py", line 97, in database_forwards
    schema_editor.create_model(model)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/base/schema.py", line 512, in create_model
    self.execute(sql, params or None)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/postgresql/schema.py", line 45, in execute
    return super().execute(sql, params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/base/schema.py", line 204, in execute
    cursor.execute(sql, params)
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 122, in execute
    return super().execute(sql, params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 79, in execute
    return self._execute_with_wrappers(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 92, in _execute_with_wrappers
    return executor(sql, params, many, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 100, in _execute
    with self.db.wrap_database_errors:
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/utils.py", line 91, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 103, in _execute
    return self.cursor.execute(sql)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/netbox/venv/lib/python3.12/site-packages/psycopg/cursor.py", line 97, in execute
    raise ex.with_traceback(None)
django.db.utils.ProgrammingError: relation "core_objecttype" already exists
  Applying core.0018_concrete_objecttype...

*Originally created by @mraerino on 10/14/2025* ### NetBox Edition NetBox Community ### NetBox Version v4.4.2 ### Python Version 3.12 ### Steps to Reproduce - Run Netbox 4.3.7 - Update to Netbox 4.4.0 or 4.4.1 or 4.4.2 - See migrations fails with `django.db.utils.ProgrammingError: relation "core_objecttype" already exists` This feels related to https://github.com/netbox-community/netbox/issues/20290 but is also different. ### Expected Behavior I expect an upgrade from 4.3.7 to 4.4.0 to work seamlessly. ### Observed Behavior <details> <summary>Full stacktrace</summary> ``` ⚙️ Applying database migrations 🧬 loaded config '/etc/netbox/config/configuration.py' 🧬 loaded config '/etc/netbox/config/extra.py' 🧬 loaded config '/etc/netbox/config/logging.py' 🧬 loaded config '/etc/netbox/config/plugins.py' Operations to perform: Apply all migrations: account, auth, circuits, contenttypes, core, dcim, django_rq, extras, ipam, sessions, social_django, taggit, tenancy, thumbnail, users, virtualization, vpn, wireless Running migrations: Traceback (most recent call last): File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 103, in _execute return self.cursor.execute(sql) ^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/psycopg/cursor.py", line 97, in execute raise ex.with_traceback(None) psycopg.errors.DuplicateTable: relation "core_objecttype" already exists The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/opt/netbox/netbox/./manage.py", line 10, in <module> execute_from_command_line(sys.argv) File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line utility.execute() File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/__init__.py", line 436, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 416, in run_from_argv self.execute(*args, **cmd_options) File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 460, in execute output = self.handle(*args, **options) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/base.py", line 107, in wrapper res = handle_func(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/core/management/commands/migrate.py", line 353, in handle post_migrate_state = executor.migrate( ^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 135, in migrate state = self._migrate_all_forwards( ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 167, in _migrate_all_forwards state = self.apply_migration( ^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/executor.py", line 255, in apply_migration state = migration.apply(state, schema_editor) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/migration.py", line 132, in apply operation.database_forwards( File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/migrations/operations/models.py", line 97, in database_forwards schema_editor.create_model(model) File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/base/schema.py", line 512, in create_model self.execute(sql, params or None) File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/postgresql/schema.py", line 45, in execute return super().execute(sql, params) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/base/schema.py", line 204, in execute cursor.execute(sql, params) File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 122, in execute return super().execute(sql, params) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 79, in execute return self._execute_with_wrappers( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 92, in _execute_with_wrappers return executor(sql, params, many, context) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 100, in _execute with self.db.wrap_database_errors: File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/utils.py", line 91, in __exit__ raise dj_exc_value.with_traceback(traceback) from exc_value File "/opt/netbox/venv/lib/python3.12/site-packages/django/db/backends/utils.py", line 103, in _execute return self.cursor.execute(sql) ^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/netbox/venv/lib/python3.12/site-packages/psycopg/cursor.py", line 97, in execute raise ex.with_traceback(None) django.db.utils.ProgrammingError: relation "core_objecttype" already exists Applying core.0018_concrete_objecttype... ``` </details>

MrUnknownDE closed this issue

2026-04-05 20:17:51 +02:00

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Reference: github/netbox#1076

Migrations failing with "core_objecttype already exists" when upgrading from 4.3.7 to 4.4.x #1076