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From "Jerome Boulon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-98) PidFile issue
Date Wed, 08 Apr 2009 16:14:12 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-98?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697078#action_12697078
] 

Jerome Boulon commented on CHUKWA-98:
-------------------------------------

If there's no addShutdownHook todo the cleanup,  how do you do the cleanup when you want to
stop the agent or the collector?
We're sending a kill -TERM ...


> PidFile issue
> -------------
>
>                 Key: CHUKWA-98
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-98
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>            Reporter: Jerome Boulon
>            Priority: Blocker
>
> Some processes like Collectors, demuxManager, etc have to be able to exit if they have
to.
> In that case, watchdog will not restart them since the shutdown hook will have done the
cleanup.
>     pFile = new PidFile("Agent");
>     Runtime.getRuntime().addShutdownHook(pFile);
>     pFile = new PidFile("Collector");
>     Runtime.getRuntime().addShutdownHook(pFile);

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