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From "Jason Lowe (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3194) "mapred mradmin" command is broken in mrv2
Date Tue, 17 Jan 2012 22:53:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13188097#comment-13188097
] 

Jason Lowe commented on MAPREDUCE-3194:
---------------------------------------

No test since simply removing extra output from usage statement.  Manually verified by running
mapred command without arguments to see the usage statement and by running mapred mradmin,
mapred tasktracker, and mapred jobtracker to verify the pointer to yarn is printed.

                
> "mapred mradmin" command is broken in mrv2
> ------------------------------------------
>
>                 Key: MAPREDUCE-3194
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3194
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Siddharth Seth
>            Assignee: Jason Lowe
>         Attachments: MAPREDUCE-3194.patch
>
>
> $mapred  mradmin  
> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/mapred/tools/MRAdmin
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.mapred.tools.MRAdmin
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> Could not find the main class: org.apache.hadoop.mapred.tools.MRAdmin.  Program will
exit.

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