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Posted to dev@uima.apache.org by "Jerry Cwiklik (JIRA)" <de...@uima.apache.org> on 2015/04/09 21:10:12 UTC

[jira] [Created] (UIMA-4338) Ducc job process sometimes does not exit cleanly

Jerry Cwiklik created UIMA-4338:
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             Summary: Ducc job process sometimes does not exit cleanly
                 Key: UIMA-4338
                 URL: https://issues.apache.org/jira/browse/UIMA-4338
             Project: UIMA
          Issue Type: Bug
          Components: DUCC
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: 2.0.0-Ducc


It looks like sometimes a JP process does not terminate after it is told to stop by an agent. All process threads seem to exit but some daemon thread is still running preventing the jvm from exiting. The hypothesis is that one minute may not be enough for the jvm to complete all shutdown tasks. An agent allows 1 minute for the process to go away due to pre-emption after which a process is killed via kill -9. 
The scenario where this problem was observed involved 10 process threads.  



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