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Date: Sun, 30 Sep 2012 00:16:11 +1100 (NCT)
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Subject: [jira] [Commented] (HADOOP-8386) hadoop script doesn't work if 'cd'
 prints to stdout (default behavior in Ubuntu)
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    [ https://issues.apache.org/jira/browse/HADOOP-8386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466227#comment-13466227 ] 

Hudson commented on HADOOP-8386:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1211 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1211/])
    HADOOP-8386. hadoop script doesn't work if 'cd' prints to stdout (default behavior in Ubuntu). Contributed by Christopher Berner and Andy Isaacson. (harsh) (Revision 1391780)

     Result = FAILURE
harsh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1391780
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/bin/hadoop
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
* /hadoop/common/trunk/hadoop-mapreduce-project/bin/mapred
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/bin/yarn

                
> hadoop script doesn't work if 'cd' prints to stdout (default behavior in Ubuntu)
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-8386
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8386
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 1.0.2
>         Environment: Ubuntu
>            Reporter: Christopher Berner
>            Assignee: Christopher Berner
>             Fix For: 1.2.0, 3.0.0
>
>         Attachments: hadoop-8386-1.diff, hadoop-8386-1.diff, hadoop-8386.diff, hadoop.diff
>
>
> if the 'hadoop' script is run as 'bin/hadoop' on a distro where the 'cd' command prints to stdout, the script will fail due to this line: 'bin=`cd "$bin"; pwd`'
> Workaround: execute from the bin/ directory as './hadoop'
> Fix: change that line to 'bin=`cd "$bin" > /dev/null; pwd`'

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