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Posted to mapreduce-issues@hadoop.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2012/05/22 06:17:41 UTC
[jira] [Updated] (MAPREDUCE-4123) ./mapred groups gives
NoClassDefFoundError
[ https://issues.apache.org/jira/browse/MAPREDUCE-4123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj K updated MAPREDUCE-4123:
---------------------------------
Status: Patch Available (was: Open)
I have provided patch to fix this NoClassDefFoundError. There is another JIRA MAPREDUCE-4268 exist for supporting this protocol.
> ./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, 3.0.0
> Reporter: Nishan Shetty
> Assignee: Devaraj K
> Priority: Critical
> Attachments: 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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