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Posted to dev@uima.apache.org by "Richard Eckart de Castilho (Jira)" <de...@uima.apache.org> on 2023/01/12 15:26:00 UTC

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

     [ https://issues.apache.org/jira/browse/UIMA-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Eckart de Castilho resolved UIMA-4338.
----------------------------------------------
    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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