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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4068) Jars in lib subdirectory of the submittable JAR are not added to the classpath
Date Mon, 06 Aug 2012 23:56:02 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429591#comment-13429591
] 

Robert Kanter commented on MAPREDUCE-4068:
------------------------------------------

I've been looking around a lot lately at the unjaring and the "lib-in-a-jar" code for MAPREDUCE-4408,
and this would explain some of the difficulty I've been having :)

I haven't seen any tests that check this feature either.  
                
> Jars in lib subdirectory of the submittable JAR are not added to the classpath
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4068
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4068
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: Ahmed Radwan
>             Fix For: 0.23.2
>
>
> Prior to hadoop 0.23, users could add third party jars to the lib subdirectory of the
submitted job jar and they become available in the task's classpath. I see this functionality
was in TaskRunner.java, but I can't see similar functionality in hadoop 0.23 (neither in MapReduceChildJVM.java
nor other places).

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