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From "Maxim Khutornenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AURORA-669) Thermos runner collect_updates() gets stuck in a while loop when timeout is 0
Date Wed, 27 Aug 2014 17:49:58 GMT
Maxim Khutornenko created AURORA-669:
----------------------------------------

             Summary: Thermos runner collect_updates() gets stuck in a while loop when timeout
is 0
                 Key: AURORA-669
                 URL: https://issues.apache.org/jira/browse/AURORA-669
             Project: Aurora
          Issue Type: Bug
          Components: Thermos
            Reporter: Maxim Khutornenko


The following code in runner.py:collect_update() may result in an infinite while loop when
the provided timeout is passed as 0:

{noformat}
 while True:
       ...
        if timeout and total_time >= timeout:
          break
       ...
{noformat}

We have observed a case when the thermos runner gets stuck in a "deadlocked" state not reacting
to SIGTERM with the last message in __main__.log as:
{noformat}
D0827 15:35:26.022495 30886 runner.py:856] Run loop: Work to be done within 0.0s
{noformat}



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