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["Markus Zoeller \(markus_z\)" <mzoeller@xxxxxxxxxx>]

For Nova, this is a "Liberty" release only bug which is fixed with
https://review.openstack.org/234166. This got merged in RC3 of
"Liberty".

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1505677

Title:
  oslo.versionedobjects 0.11.0 causing KeyError: 'objects' in nova-
  conductor log

Status in OpenStack Compute (nova):
  Invalid
Status in openstack-ansible:
  Confirmed
Status in oslo.versionedobjects:
  New

Bug description:
  In nova-conductor we're seeing the following error for stable/liberty:

  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher Traceback (most recent call last):
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     executor_callback))
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     executor_callback)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129, in _do_dispatch
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/nova/conductor/manager.py", line 937, in object_class_action_versions
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     context, objname, objmethod, object_versions, args, kwargs)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/nova/conductor/manager.py", line 477, in object_class_action_versions
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     if isinstance(result, nova_object.NovaObject) else result)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 535, in obj_to_primitive
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     version_manifest)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 507, in obj_make_compatible_from_manifest
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     return self.obj_make_compatible(primitive, target_version)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/nova/objects/instance.py", line 1325, in obj_make_compatible
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     target_version)
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher   File "/usr/local/lib/python2.7/dist-packages/nova/objects/base.py", line 262, in obj_make_compatible
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher     rel_versions = self.obj_relationships['objects']
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher KeyError: 'objects'
  2015-10-12 23:29:14.413 2243 ERROR oslo_messaging.rpc.dispatcher

  More details here:
  http://logs.openstack.org/56/233756/8/check/gate-openstack-ansible-dsvm-commit/879f745/logs/aio1_nova_conductor_container-5ec67682/nova-conductor.log

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