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From "Csaba Miklos (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8096) add single point where System.exit() is called for better handling in containers
Date Tue, 06 Mar 2012 20:51:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Csaba Miklos updated HADOOP-8096:

    Attachment: HADOOP-8096.patch

Exiter class added. (Steve's code moved from Jira to a java file)
Maybe I am misunderstood something (maybe because I am a newbie in Hadoop), but you wrote
to the issue that this Exiter should call from container.
So I need to replace every System.exit call, or just some of them?
> add single point where System.exit() is called for better handling in containers
> --------------------------------------------------------------------------------
>                 Key: HADOOP-8096
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8096
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: util
>    Affects Versions: 0.24.0
>            Reporter: Steve Loughran
>            Assignee: Csaba Miklos
>            Priority: Trivial
>             Fix For: 0.24.0
>         Attachments: HADOOP-8096.patch
> with plans for OSGI integration afoot in HADOOP-7977, Hadoop needs unified place where
System.exit() calls. When one runs any bit of Hadoop in a containers the container will block
those exits with a security manager and convert the calls into security exceptions. A single
exit method would enable such exceptions to be logged, and conceivably handled slightly more
gracefully (e.g. tell the daemon to die).

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