SplitLogWorker fails to let go of a task, kills the RS
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Key: HBASE-5077
URL: https://issues.apache.org/jira/browse/HBASE-5077
Project: HBase
Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jean-Daniel Cryans
Priority: Critical
Fix For: 0.92.1
I hope I didn't break spacetime continuum, I got this while testing 0.92.0:
{quote}
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)
{quote}
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.
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