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[OpenStack Hudson <1157045@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/25109
Committed: http://github.com/openstack/quantum/commit/1ee37e03a6d722d516ebeeab6cbad3d4ddca3eba
Submitter: Jenkins
Branch:    milestone-proposed

commit 1ee37e03a6d722d516ebeeab6cbad3d4ddca3eba
Author: Gary Kotton <gkotton@xxxxxxxxxx>
Date:   Thu Mar 21 17:01:31 2013 +0000

    Fix issues with db pooling
    
    Fixes bug 1157045
    
    Change-Id: I1b0ea5b18b3d75dc3d047975b234275420af189c


** Changed in: quantum
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1157045

Title:
  Exception when using database pooling

Status in OpenStack Quantum (virtual network service):
  Fix Released

Bug description:
  When sql_dbpool_enable is set a True we get the following exception:

  2013-03-17 11:24:27    ERROR [quantum.openstack.common.rpc.amqp] Exception during message handling
  Traceback (most recent call last):
    File "/opt/stack/quantum/quantum/openstack/common/rpc/amqp.py", line 430, in _process_data
      rval = self.proxy.dispatch(ctxt, version, method, **args)
    File "/opt/stack/quantum/quantum/common/rpc.py", line 43, in dispatch
      quantum_ctxt, version, method, **kwargs)
    File "/opt/stack/quantum/quantum/openstack/common/rpc/dispatcher.py", line 133, in dispatch
      return getattr(proxyobj, method)(ctxt, **kwargs)
    File "/opt/stack/quantum/quantum/db/agents_db.py", line 167, in report_state
      plugin.create_or_update_agent(context, agent_state)
    File "/opt/stack/quantum/quantum/db/agents_db.py", line 156, in create_or_update_agent
      context.session.add(agent_db)
    File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 452, in __exit__
      raise
  TypeError: exceptions must be old-style classes or derived from BaseException, not NoneType

  In OSLO there was the following task removing this support
  https://github.com/openstack/oslo-
  incubator/commit/02c12aade7a0c28c66cb45b54786c90c0ae8fb09

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