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Posted to common-issues@hadoop.apache.org by "Csaba Miklos (Updated) (JIRA)" <ji...@apache.org> on 2012/03/06 21:51:58 UTC
[jira] [Updated] (HADOOP-8096) add single point where System.exit()
is called for better handling in containers
[ 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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