Hadoop HDFS
  1. Hadoop HDFS
  2. HDFS-3005

ConcurrentModificationException in FSDataset$FSVolume.getDfsUsed(..)

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.0-alpha
    • Fix Version/s: 2.0.0-alpha
    • Component/s: datanode
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      Saw this in build #1888.

      java.util.ConcurrentModificationException
      	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
      	at java.util.HashMap$EntryIterator.next(HashMap.java:834)
      	at java.util.HashMap$EntryIterator.next(HashMap.java:832)
      	at org.apache.hadoop.hdfs.server.datanode.FSDataset$FSVolume.getDfsUsed(FSDataset.java:557)
      	at org.apache.hadoop.hdfs.server.datanode.FSDataset$FSVolumeSet.getDfsUsed(FSDataset.java:809)
      	at org.apache.hadoop.hdfs.server.datanode.FSDataset$FSVolumeSet.access$1400(FSDataset.java:774)
      	at org.apache.hadoop.hdfs.server.datanode.FSDataset.getDfsUsed(FSDataset.java:1124)
      	at org.apache.hadoop.hdfs.server.datanode.BPOfferService.sendHeartBeat(BPOfferService.java:406)
      	at org.apache.hadoop.hdfs.server.datanode.BPOfferService.offerService(BPOfferService.java:490)
      	at org.apache.hadoop.hdfs.server.datanode.BPOfferService.run(BPOfferService.java:635)
      	at java.lang.Thread.run(Thread.java:662)
      
      1. h3005_20120312.patch
        7 kB
        Tsz Wo Nicholas Sze
      2. h3005_20120314.patch
        10 kB
        Tsz Wo Nicholas Sze
      3. h3005_20120314b.patch
        10 kB
        Tsz Wo Nicholas Sze
      4. HDFS-3005.patch
        1 kB
        Vinayakumar B

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          People

          • Assignee:
            Tsz Wo Nicholas Sze
            Reporter:
            Tsz Wo Nicholas Sze
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            Dates

            • Created:
              Updated:
              Resolved:

              Development