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  1. Hadoop Common
  2. HADOOP-898

namenode generates infinite stream of null pointers

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.11.0
    • None
    • None

    Description

      My namenode is generating a constant stream of NullPointerExceptions. The log looks like:

      2007-01-17 19:51:27,461 INFO org.apache.hadoop.ipc.Server: IPC Server handler 3
      on 50000 call error: java.io.IOException: java.lang.NullPointerException
      java.io.IOException: java.lang.NullPointerException
      at org.apache.hadoop.dfs.FSNamesystem.addStoredBlock(FSNamesystem.java:1621)
      at org.apache.hadoop.dfs.FSNamesystem.processReport(FSNamesystem.java:1563)
      at org.apache.hadoop.dfs.NameNode.blockReport(NameNode.java:573)
      at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:589)
      at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:337)
      at org.apache.hadoop.ipc.Server$Handler.run(Server.java:538)

      Attachments

        1. 898-post-803-revert.patch
          0.7 kB
          Nigel Daley
        2. HADOOP-898-2.patch
          0.9 kB
          Raghu Angadi
        3. HADOOP-898.patch
          14 kB
          Raghu Angadi

        Activity

          People

            rangadi Raghu Angadi
            omalley Owen O'Malley
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            Dates

              Created:
              Updated:
              Resolved: