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https://issues.apache.org/jira/browse/MAPREDUCE-3190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13128595#comment-13128595
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Hudson commented on MAPREDUCE-3190:
-----------------------------------
Integrated in Hadoop-Common-0.23-Commit #7 (See
[https://builds.apache.org/job/Hadoop-Common-0.23-Commit/7/])
Merge -c 1184975 from trunk to branch-0.23 to fix MAPREDUCE-3190.
acmurthy :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1184976
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/bin/yarn
> bin/yarn should barf early if HADOOP_COMMON_HOME or HADOOP_HDFS_HOME are not
> set
> --------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3190
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3190
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: mr-3190.txt, mr-3190.txt
>
>
> Currently, if these env vars are not set when you run bin/yarn, it will crash
> with various ClassNotFoundExceptions, having added {{/share/hadoop/hdfs}} to
> the classpath. Rather, we should check for these env vars in the wrapper
> script and display a reasonable error message.
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