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https://issues.apache.org/jira/browse/MAPREDUCE-3456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162106#comment-13162106
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Hudson commented on MAPREDUCE-3456:
-----------------------------------
Integrated in Hadoop-Hdfs-0.23-Commit #241 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Commit/241/])
MAPREDUCE-3456. $HADOOP_PREFIX/bin/yarn should set defaults for
$HADOOP_*_HOME (Eric Payne via mahadev) - Merging r1209825 from trunk.
mahadev :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1209826
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
> $HADOOP_PREFIX/bin/yarn should set defaults for $HADOOP_*_HOME
> --------------------------------------------------------------
>
> Key: MAPREDUCE-3456
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3456
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Eric Payne
> Assignee: Eric Payne
> Priority: Blocker
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3456.1.txt
>
>
> If the $HADOOP_PREFIX/hadoop-dist/target/hadoop-0.23.0-SNAPSHOT.tar.gz
> tarball is used to distribute hadoop, all of the HADOOP components (HDFS,
> MAPRED, COMMON) are all under one directory. In this use case, HADOOP_PREFIX
> should be set and should point to the root directory for all components, and
> it should not be necessary to set HADOOP_HDFS_HOME, HADOOP_COMMON_HOME, and
> HADOOP_MAPRED_HOME. However, the $HADOOP_PREFIX/bin/yarn script requires
> these 3 to be set explicitly in the calling environment or it won't run.
> $HADOOP_PREFIX/bin/yarn should check if $HADOOP_PREFIX is set and, if it is,
> use that value for the 3 other HADOOP_*_HOME variables.
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