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https://issues.apache.org/jira/browse/UIMA-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Eckart de Castilho resolved UIMA-4338.
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Resolution: Abandoned
DUCC has been retired.
> 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: Jaroslaw Cwiklik
> Assignee: Jaroslaw Cwiklik
> Priority: Minor
> Fix For: future-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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