[Buildbot-commits] [Buildbot] #2455: buildbot silently reuses existing run #s

Buildbot nobody at buildbot.net
Wed Feb 20 22:27:07 UTC 2013


#2455: buildbot silently reuses existing run #s
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Reporter:  virgilg  |       Owner:
    Type:  defect   |      Status:  new
Priority:  major    |   Milestone:  undecided
 Version:  0.8.7p1  |  Resolution:
Keywords:           |
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Comment (by virgilg):

 > In this case, there's only function which decides on the build number
 (determineNextBuildNumber). Twisted is single-threaded, so that function
 can't race with itself in the same process. So this could be caused by two
 processes trying to create build pickles in the same directory.
 The problem is not that two processes are trying to write to the same
 build # log directory, but that there was at one point log directory #
 5011, which held stdout / err/ etc. information say 20 minutes ago, and
 when we do a reconfigure that run # is not saved properly and the same run
 # is reused.

 I have a hunch this may be caused by buildbot's caching (c['caches']) but
 the same caching parameters never had issues on 0.8.5.

-- 
Ticket URL: <http://trac.buildbot.net/ticket/2455#comment:3>
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