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  1. HBase
  2. HBASE-5680

Improve compatibility warning about HBase with Hadoop 0.23.x

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.90.6, 0.92.1, 0.94.0, 0.95.2
    • Fix Version/s: 0.94.0, 0.95.0
    • Component/s: master
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      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

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            • Assignee:
              jmhsieh Jonathan Hsieh
              Reporter:
              kristamswathi Kristam Subba Swathi
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              Dates

              • Created:
                Updated:
                Resolved: