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  1. Hadoop HDFS
  2. HDFS-4201

NPE in BPServiceActor#sendHeartBeat

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.3.0
    • Component/s: namenode
    • Labels:
      None
    • Target Version/s:

      Description

      Saw the following NPE in a log.

      Think this is likely due to dn or dn.getFSDataset() being null, (not bpRegistration) due to a configuration or local directory failure.

      2012-09-25 04:33:20,782 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: For namenode svsrs00127/11.164.162.226:8020 using DELETEREPORT_INTERVAL of 300000 msec  BLOCKREPORT_INTERVAL of 21600000msec Initial delay: 0msec; heartBeatInterval=3000
      2012-09-25 04:33:20,782 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in BPOfferService for Block pool BP-1678908700-11.164.162.226-1342785481826 (storage id DS-1031100678-11.164.162.251-5010-1341933415989) service to svsrs00127/11.164.162.226:8020
      java.lang.NullPointerException
              at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:434)
              at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:520)
              at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
              at java.lang.Thread.run(Thread.java:722)
      

        Attachments

        1. trunk-4201_v3.patch
          5 kB
          Jimmy Xiang
        2. trunk-4201_v2.patch
          7 kB
          Jimmy Xiang
        3. trunk-4201.patch
          6 kB
          Jimmy Xiang

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              • Assignee:
                jxiang Jimmy Xiang
                Reporter:
                eli Eli Collins
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                • Created:
                  Updated:
                  Resolved: