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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-2268) With JVM reuse, JvmManager doesn't delete last workdir properly
Date Tue, 10 Mar 2015 03:11:40 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-2268.
-----------------------------------------
    Resolution: Won't Fix

> With JVM reuse, JvmManager doesn't delete last workdir properly
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-2268
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2268
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Todd Lipcon
>
> In JvmManager, when a Jvm exits, it tries to delete the workdir for {{initalContext.task}}
which is null, hence throwing NPE. Currently this NPE is swallowed into the abyss.
> We should catch exceptions out of the JvmRunner thread, add a test case that verifies
this functionality, and fix this code to properly grab the last task.



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