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[OpenStack Infra <1553319@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/288750
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=aef7a3dab112690e5172d137decb93dc28056471
Submitter: Jenkins
Branch:    master

commit aef7a3dab112690e5172d137decb93dc28056471
Author: Joe Cropper <jwcroppe@xxxxxxxxxx>
Date:   Fri Mar 4 15:22:30 2016 -0600

    Dump metric exception text to logs
    
    This patch simply adds the exception text to the logs so that we don't
    lose the troubleshooting data. Without this patch, it's much more
    difficult to troubleshoot when something goes wrong as the root
    exception text is garbled up and lost.
    
    Change-Id: Ib432fddc9b31fb6f906f6828d52098c9dd059aa2
    Closes-Bug: 1553319


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1553319

Title:
  When CPU metric collection fails, stack trace not in nova logs

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  When the resource tracker tries to collect metric data, if something
  goes wrong, the stack trace isn't shown and it masks the underlying
  problem and makes debug difficult.

  For example, here's the message you see...

  2016-03-04 13:45:02.582 31225 WARNING nova.compute.resource_tracker
  [req-141a8c26-fa98-470d-accb-97b15bf98d70 - - - - -] Cannot get the
  metrics from...

  ...and no stack trace.

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