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https://issues.apache.org/jira/browse/HBASE-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173832#comment-13173832
]
stack commented on HBASE-5077:
------------------------------
+1 on patch for branch and trunk.
> SplitLogWorker fails to let go of a task, kills the RS
> ------------------------------------------------------
>
> 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
> Assignee: Jean-Daniel Cryans
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-5077-v2.patch, HBASE-5077.patch
>
>
> 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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