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https://issues.apache.org/jira/browse/MAPREDUCE-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13188046#comment-13188046
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Mahadev konar commented on MAPREDUCE-3194:
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+1, this is good. Very helpful for folks upgrading to mrv2.
> "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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