Uploaded image for project: 'HBase'
  1. HBase
  2. HBASE-5077

SplitLogWorker fails to let go of a task, kills the RS

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 0.92.0
    • 0.92.0
    • None
    • None
    • Reviewed

    Description

      I hope I didn't break spacetime continuum, I got this while testing 0.92.0:

      2011-12-20 03:06:19,838 FATAL org.apache.hadoop.hbase.regionserver.SplitLogWorker: logic error - end task /hbase/splitlog/hdfs%3A%2F%2Fsv4r11s38%3A9100%2Fhbase%2F.logs%2Fsv4r14s38%2C62023%2C1324345935047-splitting%2Fsv4r14s38%252C62023%252C1324345935047.1324349363814 done failed because task doesn't exist
      org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /hbase/splitlog/hdfs%3A%2F%2Fsv4r11s38%3A9100%2Fhbase%2F.logs%2Fsv4r14s38%2C62023%2C1324345935047-splitting%2Fsv4r14s38%252C62023%252C1324345935047.1324349363814
      at org.apache.zookeeper.KeeperException.create(KeeperException.java:111)
      at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
      at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1228)
      at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.setData(RecoverableZooKeeper.java:372)
      at org.apache.hadoop.hbase.zookeeper.ZKUtil.setData(ZKUtil.java:654)
      at org.apache.hadoop.hbase.regionserver.SplitLogWorker.endTask(SplitLogWorker.java:372)
      at org.apache.hadoop.hbase.regionserver.SplitLogWorker.grabTask(SplitLogWorker.java:280)
      at org.apache.hadoop.hbase.regionserver.SplitLogWorker.taskLoop(SplitLogWorker.java:197)
      at org.apache.hadoop.hbase.regionserver.SplitLogWorker.run(SplitLogWorker.java:165)
      at java.lang.Thread.run(Thread.java:662)

      I'll post more logs in a moment. What I can see is that the master shuffled that task around a bit and one of the region servers died on this stack trace while the others were able to interrupt themselves.

      Attachments

        1. HBASE-5077.patch
          1 kB
          Jean-Daniel Cryans
        2. HBASE-5077-v2.patch
          0.8 kB
          Jean-Daniel Cryans
        3. HBASE-5077-v4.txt
          0.8 kB
          Michael Stack

        Activity

          People

            jdcryans Jean-Daniel Cryans
            jdcryans Jean-Daniel Cryans
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: