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[Hans Lindgren <1317804@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The change to use InstanceActionEvent objects in
compute.utils.EventReporter changed the order of how things are done.
Before, traceback info were converted to strings before being sent to
the conductor. Now, since the object method being used remotes itself,
the order becomes the opposite and any captured tracebacks are sent as
is, resulting in errors during messaging.

See
http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiVmFsdWVFcnJvcjogQ2lyY3VsYXIgcmVmZXJlbmNlIGRldGVjdGVkXCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjkwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjEzOTk2MjYzMjYwODZ9

** Affects: nova
     Importance: Critical
     Assignee: Hans Lindgren (hanlind)
         Status: New

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https://bugs.launchpad.net/bugs/1317804

Title:
  InstanceActionEvent traceback parameter not serializable

Status in OpenStack Compute (Nova):
  New

Bug description:
  The change to use InstanceActionEvent objects in
  compute.utils.EventReporter changed the order of how things are done.
  Before, traceback info were converted to strings before being sent to
  the conductor. Now, since the object method being used remotes itself,
  the order becomes the opposite and any captured tracebacks are sent as
  is, resulting in errors during messaging.

  See
  http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiVmFsdWVFcnJvcjogQ2lyY3VsYXIgcmVmZXJlbmNlIGRldGVjdGVkXCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjkwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjEzOTk2MjYzMjYwODZ9

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