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