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Jitendra Nath Pandey commented on HADOOP-6941: ---------------------------------------------- branch-1 patch looks good to me. +1 > Support non-SUN JREs in UserGroupInformation > -------------------------------------------- > > Key: HADOOP-6941 > URL: https://issues.apache.org/jira/browse/HADOOP-6941 > Project: Hadoop Common > Issue Type: Bug > Environment: SLES 11, Apache Harmony 6 and SLES 11, IBM Java 6 > Reporter: Stephen Watt > Assignee: Luke Lu > Attachments: 6941-1.patch, 6941-branch1.patch, HADOOP-6941.patch, > hadoop-6941.patch > > > Attempting to format the namenode or attempting to start Hadoop using Apache > Harmony or the IBM Java JREs results in the following exception: > 10/09/07 16:35:05 ERROR namenode.NameNode: java.lang.NoClassDefFoundError: > com.sun.security.auth.UnixPrincipal > at > org.apache.hadoop.security.UserGroupInformation.<clinit>(UserGroupInformation.java:223) > at java.lang.J9VMInternals.initializeImpl(Native Method) > at java.lang.J9VMInternals.initialize(J9VMInternals.java:200) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.setConfigurationParameters(FSNamesystem.java:420) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:391) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1240) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1348) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1368) > Caused by: java.lang.ClassNotFoundException: > com.sun.security.auth.UnixPrincipal > at java.net.URLClassLoader.findClass(URLClassLoader.java:421) > at java.lang.ClassLoader.loadClass(ClassLoader.java:652) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:346) > at java.lang.ClassLoader.loadClass(ClassLoader.java:618) > ... 8 more > This is a negative regression as previous versions of Hadoop worked with > these JREs -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira