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 <genexpr> > 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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