Hadoop HDFS
  1. Hadoop HDFS
  2. HDFS-3347

NullPointerException When trying to log to editstreams

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: namenode
    • Labels:
      None
    • Environment:

      HDFS

      Description

      When i try to create a file i got a exception

      2012-05-02 17:42:55,768 DEBUG hdfs.StateChange (NameNodeRpcServer.java:create(402)) - *DIR* NameNode.create: file /a._COPYING_ for DFSClient_NONMAPREDUCE_1515782500_1 at 10.18.40.95
      2012-05-02 17:42:55,770 DEBUG hdfs.StateChange (FSNamesystem.java:startFileInternal(1547)) - DIR* NameSystem.startFile: src=/a._COPYING_, holder=DFSClient_NONMAPREDUCE_1515782500_1, clientMachine=10.18.40.95, createParent=true, replication=1, createFlag=[CREATE, OVERWRITE]
      2012-05-02 17:42:55,778 WARN  ipc.Server (Server.java:run(1701)) - IPC Server handler 1 on 8020, call org.apache.hadoop.hdfs.protocol.ClientProtocol.create from 10.18.40.95:37973: error: java.lang.NullPointerException
      java.lang.NullPointerException
      	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.logEdit(FSEditLog.java:348)
      	at org.apache.hadoop.hdfs.server.namenode.FSEditLog.logGenerationStamp(FSEditLog.java:755)
      	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.nextGenerationStamp(FSNamesystem.java:4357)
      	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:1621)
      	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:1509)
      	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:409)
      	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:200)
      	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:42590)
      	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:428)
      	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:905)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1688)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1684)
      	at java.security.AccessController.doPrivileged(Native Method)
      	at javax.security.auth.Subject.doAs(Subject.java:396)
      	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1205)
      	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1682)
      

      analysing the same, will provide the details soon.

        Issue Links

          Activity

          amith created issue -
          Uma Maheswara Rao G made changes -
          Field Original Value New Value
          Link This issue duplicates HDFS-3026 [ HDFS-3026 ]
          Vinayakumar B made changes -
          Status Open [ 1 ] Resolved [ 5 ]
          Resolution Duplicate [ 3 ]

            People

            • Assignee:
              amith
              Reporter:
              amith
            • Votes:
              0 Vote for this issue
              Watchers:
              13 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development