id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
22483	Oracle test failures due to InterfaceError	Tim Graham	Aymeric Augustin	"Bisected to 2e42c859da42a871244aca36162a0aad2b63c02b (#21239)

Example:
{{{
$ ./runtests.py --settings=test_oracle migrations
======================================================================
ERROR: test_migrate (migrations.test_commands.MigrateTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File ""/home/tim/code/django/django/test/utils.py"", line 316, in inner
    return test_func(*args, **kwargs)
  File ""/home/tim/code/django/django/test/utils.py"", line 216, in inner
    return test_func(*args, **kwargs)
  File ""/home/tim/code/django/tests/migrations/test_commands.py"", line 44, in test_migrate
    call_command(""migrate"", verbosity=0)
  File ""/home/tim/code/django/django/core/management/__init__.py"", line 167, in call_command
    return klass.execute(*args, **defaults)
  File ""/home/tim/code/django/django/core/management/base.py"", line 337, in execute
    output = self.handle(*args, **options)
  File ""/home/tim/code/django/django/core/management/commands/migrate.py"", line 145, in handle
    executor.migrate(targets, plan, fake=options.get(""fake"", False))
  File ""/home/tim/code/django/django/db/migrations/executor.py"", line 60, in migrate
    self.apply_migration(migration, fake=fake)
  File ""/home/tim/code/django/django/db/migrations/executor.py"", line 94, in apply_migration
    migration.apply(project_state, schema_editor)
  File ""/home/tim/code/django/django/db/migrations/migration.py"", line 97, in apply
    operation.database_forwards(self.app_label, schema_editor, project_state, new_state)
  File ""/home/tim/code/django/django/db/migrations/operations/fields.py"", line 36, in database_forwards
    field,
  File ""/home/tim/code/django/django/db/backends/schema.py"", line 392, in add_field
    self.execute(sql, params)
  File ""/home/tim/code/django/django/db/backends/schema.py"", line 95, in execute
    cursor.execute(sql, params)
  File ""/home/tim/code/django/django/db/backends/utils.py"", line 40, in __exit__
    self.close()
InterfaceError: not connected
}}}"	Bug	closed	Database layer (models, ORM)	1.7-beta-1	Release blocker	fixed			Accepted	0	0	0	0	0	0