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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Resolved] (UIMA-3647) DUCC Agent should detect defunct processes
Date Thu, 06 Mar 2014 14:52:42 GMT

     [ https://issues.apache.org/jira/browse/UIMA-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jerry Cwiklik resolved UIMA-3647.
---------------------------------

    Resolution: Duplicate

See https://issues.apache.org/jira/browse/UIMA-3612

> DUCC Agent should detect defunct processes
> ------------------------------------------
>
>                 Key: UIMA-3647
>                 URL: https://issues.apache.org/jira/browse/UIMA-3647
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>    Affects Versions: 1.0-Ducc
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> Modify agent to detect a defunct (zombie) process. When one is found, change the state
of the process to CROAKED and remove from inventory to mark it as rogue. 
> The defunct processes appear to be running from the Agent's point of view as the process
never exited thus the Agent continues to wait in the process.waitFor() and also consumes stdout
and stderr. The only remedy for this is to bounce the agent since there is no way to kill
the defunct process which is still owned by the agent.



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