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https://issues.apache.org/jira/browse/UIMA-3707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Challenger closed UIMA-3707.
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Resolution: Fixed
> DUCC SM should mark custom pingers so they're more easily reaped.
> -----------------------------------------------------------------
>
> Key: UIMA-3707
> URL: https://issues.apache.org/jira/browse/UIMA-3707
> Project: UIMA
> Issue Type: Improvement
> Components: DUCC
> Affects Versions: 1.1.0-Ducc
> Reporter: Jim Challenger
> Assignee: Jim Challenger
> Priority: Minor
> Fix For: 1.1.0-Ducc
>
>
> If the Service Manager is killed-with-prejudice it can leave CUSTOM pingers
> alive and orphaned (children of init).
> SM should clearly mark these processes so cleanup procedures can easily find
> them and reap them as part of system startup. The proposed mechanism is to
> set a -Dmarker as a no-op system property to ServicePingMain that is easily
> discovered using ps. Startup scripting (and check_ducc) will look for these
> processes and kill them prior to starting SM.
> As well SM should implement a shutdown hook that attempts to stop these
> pingers if it is stopped with only-a-little-prejudice.
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