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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4123

./mapred groups gives NoClassDefFoundError

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 2.0.0-alpha, 3.0.0-alpha1
    • 2.0.3-alpha
    • mrv2
    • None
    • Incompatible change, Reviewed

    Description

      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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            devaraj Devaraj Kavali Assign to me
            nishan Nishan Shetty
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