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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4123) ./mapred groups gives NoClassDefFoundError
Date Wed, 03 Oct 2012 08:40:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468415#comment-13468415
] 

Devaraj K commented on MAPREDUCE-4123:
--------------------------------------

{code:xml}
-1 tests included. The patch doesn't appear to include any new or modified tests.
Please justify why no new tests are needed for this patch.
Also please list what manual steps were performed to verify this patch.
{code}
No tests needed for this since it is a script change. I have verified the commands manually.
                
> ./mapred groups gives NoClassDefFoundError
> ------------------------------------------
>
>                 Key: MAPREDUCE-4123
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4123
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Nishan Shetty
>            Assignee: Devaraj K
>            Priority: Critical
>         Attachments: MAPREDUCE-4123-1.patch, MAPREDUCE-4123.patch
>
>
> linux-168:/home/v2/hadoop-3.0.0-SNAPSHOT/bin # ./mapred groups
> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/mapred/tools/GetGroups
> Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.mapred.tools.GetGroups
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:303)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
> Could not find the main class: org.apache.hadoop.mapred.tools.GetGroups.  Program will
exit.

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