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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7563) hadoop-config.sh setup CLASSPATH, HADOOP_HDFS_HOME and HADOOP_MAPRED_HOME incorrectly
Date Wed, 24 Aug 2011 17:46:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090362#comment-13090362
] 

Aaron T. Myers commented on HADOOP-7563:
----------------------------------------

bq. Will this patch restore the HADOOP_COMMON_HOME/HADOOP_HDFS_HOME etc shell variables so
I can untar the distro files I built with "mvn clean install -DskipTests=true -Dtar -Pdist"
into separate directories and everything will work like it used to?

Yes it will. With this patch, plus something to address the Alfredo JAR issue, I've been successfully
able to run HDFS trunk just by doing `{{mvn clean package -DskipTests -Pdist}}' and then pointing
HADOOP_COMMON_HOME and HADOOP_HDFS_HOME at the resulting directories, with no intermediate
step of merging the contents of those directories.

> hadoop-config.sh setup CLASSPATH, HADOOP_HDFS_HOME and HADOOP_MAPRED_HOME incorrectly
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7563
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7563
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.23.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-7563-1.patch, HADOOP-7563-2.patch, HADOOP-7563-3.patch, HADOOP-7563.patch
>
>
> HADOOP_HDFS_HOME and HADOOP_MAPRED_HOME was set to HADOOP_PREFIX/share/hadoop/hdfs and
HADOOP_PREFIX/share/hadoop/mapreduce.  This setup confuses the location of hdfs and mapred
scripts.  Instead the script should look for hdfs and mapred script in HADOOP_PREFIX/bin.

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