I've got a project running Django 1.4, Postgres 3, Python 2.7. Our tests
get about halfway through, then we get a sudden flood of errors showing
that the django_content_type table may be empty:
......................................................EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Once the errors stop, they continue to the end of the test run. Here's the
traceback for all of the errors:
Traceback (most recent call last):
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/test/testcases.py",
line 502, in __call__
self._pre_setup()
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/test/testcases.py",
line 463, in _pre_setup
self._fixture_setup()
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/test/testcases.py",
line 475, in _fixture_setup
call_command('flush', verbosity=0, interactive=False, database=db)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/core/management/__init__.py",
line 150, in call_command
return klass.execute(*args, **defaults)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/raven/contrib/django/management/__init__.py",
line 37, in new_execute
return original_func(self, *args, **kwargs)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/core/management/base.py",
line 232, in execute
output = self.handle(*args, **options)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/core/management/base.py",
line 371, in handle
return self.handle_noargs(**options)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/core/management/commands/flush.py",
line 77, in handle_noargs
emit_post_sync_signal(set(all_models), verbosity, interactive, db)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/core/management/sql.py",
line 189, in emit_post_sync_signal
interactive=interactive, db=db)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/dispatch/dispatcher.py",
line 172, in send
response = receiver(signal=self, sender=sender, **named)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/contrib/auth/management/__init__.py",
line 54, in create_permissions
auth_app.Permission.objects.bulk_create(objs)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/db/models/manager.py",
line 140, in bulk_create
return self.get_query_set().bulk_create(*args, **kwargs)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/db/models/query.py",
line 421, in bulk_create
transaction.commit(using=self.db)
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/db/transaction.py",
line 153, in commit
connection.commit()
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/db/backends/__init__.py",
line 234, in commit
self._commit()
File
"/home/cbweb/.virtualenvs/coursebook/local/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py",
line 235, in _commit
return self.connection.commit()
IntegrityError: insert or update on table "auth_permission" violates
foreign key constraint "content_type_id_refs_id_728de91f"
DETAIL: Key (content_type_id)=(1) is not present in table
"django_content_type".
This is pretty bizarre, but it's probably something we're doing. Has anyone
ran into something like this before? I can't find anywhere that we're
deleting content types (which the error seems to suggest is happening).
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