Bump! I'm experiencing the same issue.
On Friday, 3 May 2013 23:19:26 UTC+1, TTimo wrote:
>
> Hello,
>
> I started assessing multi-db support in Django 1.5.1, I'm interested in
> having read replicas and a write master.
>
> I've figured out all the easy stuff: using TEST_MIRROR in the DATABASES
> setting, writing a simple router that splits read and write traffic, all
> according to the documentation. I can run a test server and issue some
> calls manually, but I have not been able to run simple unit tests.
>
> The most simple test I can build fails during _pre_setup() with a
> "TransactionManagementError: Transaction managed block ended with pending
> COMMIT/ROLLBACK"
>
> My databases are MySQL EC2 RDS instances, the replication is working fine,
> the tables are InnoDB etc.
>
> I know there is active development around transaction management code in
> Django lately, so maybe I've stumbled on a bug? I'm attaching a simple test
> setup that should make it easy to reproduce.
>
> Any advice would be greatly appreciated.
>
> Cheers,
> TTimo
>
> ./manage.py test readreplica
> Creating test database for alias 'default'...
> E
> ==
> ERROR: testTest (readreplica.tests.Test)
> --
> Traceback (most recent call last):
> File "/usr/local/lib/python2.7/dist-packages/django/test/testcases.py",
> line 240, in __call__
> self._pre_setup()
> File "/usr/local/lib/python2.7/dist-packages/django/test/testcases.py",
> line 462, in _pre_setup
> self._fixture_setup()
> File "/usr/local/lib/python2.7/dist-packages/django/test/testcases.py",
> line 822, in _fixture_setup
> if not connections_support_transactions():
> File "/usr/local/lib/python2.7/dist-packages/django/test/testcases.py",
> line 809, in connections_support_transactions
> for conn in connections.all())
> File "/usr/local/lib/python2.7/dist-packages/django/test/testcases.py",
> line 809, in
> for conn in connections.all())
> File
> "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py", line
> 48, in __get__
> res = instance.__dict__[self.func.__name__] = self.func(instance)
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/backends/__init__.py",
> line 627, in supports_transactions
> self.connection.leave_transaction_management()
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/backends/__init__.py",
> line 319, in leave_transaction_management
> "Transaction managed block ended with pending COMMIT/ROLLBACK")
> TransactionManagementError: Transaction managed block ended with pending
> COMMIT/ROLLBACK
>
> --
> Ran 0 tests in 0.084s
>
> FAILED (errors=1)
> Destroying test database for alias 'default'...
>
>
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