[ https://issues.apache.org/jira/browse/MAPREDUCE-4123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Devaraj K updated MAPREDUCE-4123: --------------------------------- Attachment: MAPREDUCE-4123-1.patch > ./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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira