Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-4201

NPE in BPServiceActor#sendHeartBeat

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • None
    • 2.3.0
    • namenode
    • None

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

        Issue Links

          Activity

            People

              jxiang Jimmy Xiang
              eli Eli Collins
              Votes:
              0 Vote for this issue
              Watchers:
              13 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: