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Date: Wed, 17 Oct 2012 12:46:05 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (MAPREDUCE-4521) mapreduce.user.classpath.first
 incompatibility with 0.20/1.x
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477824#comment-13477824 ] 

Hudson commented on MAPREDUCE-4521:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Build #407 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/407/])
    svn merge -c 1399011. FIXES: MAPREDUCE-4521. mapreduce.user.classpath.first incompatibility with 0.20/1.x (Ravi Prakash via bobby) (Revision 1399014)

     Result = UNSTABLE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1399014
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ConfigUtil.java

                
> mapreduce.user.classpath.first incompatibility with 0.20/1.x
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-4521
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4521
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1, 2.0.0-alpha
>            Reporter: Jason Lowe
>            Assignee: Ravi Prakash
>             Fix For: 3.0.0, 2.0.3-alpha, 0.23.5
>
>         Attachments: MAPREDUCE-4521.patch
>
>
> In Hadoop 0.20 or 1.x, jobs can specify the user's classpath should appear first by setting the property mapreduce.user.classpath.first to true in the job configuration.  However in Hadoop 0.23 or 2.x, this has no effect, as the corresponding property there is mapreduce.job.user.classpath.first.

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