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Date: Thu, 3 May 2012 20:08:49 +0000 (UTC)
From: "Bikas Saha (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-4101) nodemanager depends on
 /bin/bash
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267763#comment-13267763 ] 

Bikas Saha commented on MAPREDUCE-4101:
---------------------------------------

I assume you mean to do that when that patch makes its way into trunk from branch-1-win. Otherwise merging branch-1-win into trunk will create a mess.
                
> nodemanager depends on /bin/bash
> --------------------------------
>
>                 Key: MAPREDUCE-4101
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4101
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 0.23.1, trunk
>         Environment: FreeBSD 8.2 / 64 bit
>            Reporter: Radim Kolar
>              Labels: patch
>         Attachments: bash-replace-by-sh.txt
>
>
> Currently nodemanager depends on bash shell. It should be well documented for system not having bash installed by default such as FreeBSD. Because only basic functionality of bash is used, probably changing bash to /bin/sh would work enough.
> i found 2 cases:
> 1. DefaultContainerExecutor.java creates file with /bin/bash hardcoded in writeLocalWrapperScript. (this needs bash in /bin)
> 2. yarn-hduser-nodemanager-ponto.amerinoc.com.log:2012-04-03 19:50:10,798 INFO org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor: launchContainer: [bash, -c, /tmp/nm-local-dir/usercache/hduser/appcache/application_1333474251533_0002/container_1333474251533_0002_01_000012/default_container_executor.sh]
> this created script is also launched by bash - bash anywhere in path works - in freebsd it is /usr/local/bin/bash

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