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Jonathan Hsieh reassigned HBASE-5680: ------------------------------------- Assignee: Jonathan Hsieh > Hbase94 and Hbase 92.2 is not compatible with the Hadoop 23.1 > -------------------------------------------------------------- > > Key: HBASE-5680 > URL: https://issues.apache.org/jira/browse/HBASE-5680 > Project: HBase > Issue Type: Bug > Components: master > Reporter: Kristam Subba Swathi > Assignee: Jonathan Hsieh > > Hmaster is not able to start because of the following error > Please find the following error > ---------------------------- > 2012-03-30 11:12:19,487 FATAL org.apache.hadoop.hbase.master.HMaster: > Unhandled exception. Starting shutdown. > java.lang.NoClassDefFoundError: > org/apache/hadoop/hdfs/protocol/FSConstants$SafeModeAction > at org.apache.hadoop.hbase.util.FSUtils.waitOnSafeMode(FSUtils.java:524) > at > org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:324) > at > org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:127) > at > org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:112) > at > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:496) > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:363) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.hdfs.protocol.FSConstants$SafeModeAction > at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > ... 7 more > There is a change in the FSConstants -- 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