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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1494157

Title:
  Regression: ObjectDeletedError on network delete

Status in neutron:
  Fix Released

Bug description:
  Exception is raised when deleting network ports:

  2015-09-09T01:24:36.253938+00:00 err: 2015-09-09 01:24:36.251 10128 ERROR neutron.api.v2.resource [req-81135bfb-f40b-41ee-b6ce-279eafba97dd ] delete failed
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource Traceback (most recent call last):
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 83, in resource
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource result = method(request=request, **args)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/oslo_db/api.py", line 131, in wrapper
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource return f(*args, **kwargs)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 495, in delete
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource obj_deleter(request.context, id, **kwargs)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 780, in delete_network
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource self._delete_ports(context, port_ids)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 693, in _delete_ports
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource port_id)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 85, in __exit__
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource six.reraise(self.type_, self.value, self.tb)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 685, in _delete_ports
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource self.delete_port(context, port_id)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 1292, in delete_port
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource super(Ml2Plugin, self).delete_port(context, id)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 1915, in delete_port
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource self._delete_port(context, id)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/neutron/db/db_base_plugin_v2.py", line 1938, in _delete_port
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource query.delete()
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2670, in delete
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource delete_op.exec_()
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 896, in exec_
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource self._do_pre_synchronize()
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 958, in _do_pre_synchronize
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource eval_condition(obj)]
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/evaluator.py", line 115, in evaluate
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource left_val = eval_left(obj)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/evaluator.py", line 72, in <lambda>
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource return lambda obj: get_corresponding_attr(obj)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 239, in __get__
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource return self.impl.get(instance_state(instance), dict_)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/attributes.py", line 589, in get
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource value = callable_(state, passive)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/state.py", line 424, in __call__
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource self.manager.deferred_scalar_loader(self, toload)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource File "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/loading.py", line 614, in load_scalar_attributes
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource raise orm_exc.ObjectDeletedError(state)
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource ObjectDeletedError: Instance '<Port at 0x7ff29ab98f50>' has been deleted, or its row is otherwise not present.
  2015-09-09 01:24:36.251 10128 TRACE neutron.api.v2.resource

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