[Buildbot-commits] [Buildbot] #2337: gitpoller fails to fetch commit following twisted errors

[Buildbot]

#2337: gitpoller fails to fetch commit following twisted errors
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Reporter:  Clement    |      Owner:
    Type:  undecided  |     Status:  new
Priority:  major      |  Milestone:  undecided
 Version:  0.8.6p1    |   Keywords:  git gitpoller
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 On my environnement, the getProcessOutput command of twistd sometimes
 fails with an  OSError exception (Errno 11 or 513). The exception is
 catched by buildbot and the polling fails.
 The problem is that the git repository is already updated and that the
 commit will be then ignored by the next buildbot pollings. This is
 particulary annoying when several commits are pushed in the same time and
 that the exception occurs in the middle, resulting in the second half of
 the commit set not being seen by buildbot.

 Would it be possible to retry the calls to getProcessOutput when exception
 occurs or if gitpoller fails, to move the HEAD of the repository to the
 HEAD of the last successful polling.

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Ticket URL: <http://trac.buildbot.net/ticket/2337>
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