Open Stack

Hi all.

we are managing some 3rd party CI's and have repeatedly encountered some strange issue with our zuul service,
from debug.log I can see that zuul becomes not happy with one patchset

2016-07-27 00:05:23,545 INFO zuul.IndependentPipelineManager: Change <Change 0x7fa052eea250 347574,1> depends on changes []
2016-07-27 00:05:23,546 ERROR zuul.Scheduler: Exception in run handler:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 971, in run
    while pipeline.manager.processQueue():
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1607, in processQueue
    item, nnfi)
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1565, in _processOneItem
    ready = self.prepareRef(item)
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1465, in prepareRef
    merger_items = map(self._makeMergerItem, all_items)
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1437, in _makeMergerItem
    return dict(project=item.change.project.name,
AttributeError: 'NoneType' object has no attribute 'name'
2016-07-27 00:05:23,546 DEBUG zuul.Scheduler: Run handler sleeping
2016-07-27 00:05:23,546 DEBUG zuul.Scheduler: Run handler awake

and after some time it stopped logging everything except those tracebacks

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 971, in run
    while pipeline.manager.processQueue():
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1607, in processQueue
    item, nnfi)
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1565, in _processOneItem
    ready = self.prepareRef(item)
  File "/usr/local/lib/python2.7/dist-packages/zuul/scheduler.py", line 1471, in prepareRef
    url = self.pipeline.source.getGitUrl(item.change.project)
  File "/usr/local/lib/python2.7/dist-packages/zuul/source/gerrit.py", line 354, in getGitUrl
    return self.connection.getGitUrl(project)
  File "/usr/local/lib/python2.7/dist-packages/zuul/connection/gerrit.py", line 432, in getGitUrl
    project.name)
AttributeError: 'NoneType' object has no attribute 'name'

and it has to be restarted as it's not processing any patchsets at all, Is it a known issue  ?

zuul-merger keeps logging "normal debugging data" into merger-debug.log but after some time it stopped logging with following
and became active just when restarted as well ...

2016-07-27 04:58:34,565 DEBUG zuul.Repo: Resetting repository /var/lib/zuul/git/openstack/astara
2016-07-27 04:58:34,566 DEBUG zuul.Repo: Updating repository /var/lib/zuul/git/openstack/astara
2016-07-27 04:58:36,942 DEBUG zuul.Repo: Checking out 6cb543ac99cb1a0a0e5a3e0e5974a997a11ae508
2016-07-27 04:58:39,066 DEBUG zuul.Repo: Merging refs/changes/56/345756/1 with args ['-s', 'resolve', 'FETCH_HEAD']
2016-07-27 04:58:39,134 DEBUG zuul.Repo: CreateZuulRef master/Zc3c321436f5c42bf9c073d1978c5cd03 at c59a924b3251297d3fc5f9404731160c71f6f3da on <git.Repo "/var/lib/zuul/git/openstack/astara/.git">



we are using Zuul version: 2.1.1.dev149


Thanks for any hint/suggestion
Michal





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