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https://issues.apache.org/jira/browse/HBASE-12336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liu Shaohui updated HBASE-12336:
--------------------------------
Attachment: stack
jstack of the regionserver.
> RegionServer failed to shutdown for NodeFailoverWorker thread
> -------------------------------------------------------------
>
> Key: HBASE-12336
> URL: https://issues.apache.org/jira/browse/HBASE-12336
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.11
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Attachments: stack
>
>
> After enabling hbase.zookeeper.useMulti in hbase cluster, we found that
> regionserver failed to shutdown. Other threads have exited except a
> NodeFailoverWorker thread.
> {code}
> "ReplicationExecutor-0" prio=10 tid=0x00007f0d40195ad0 nid=0x73a in
> Object.wait() [0x00007f0dc8fe6000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1309)
> - locked <0x00000005a16df080> (a
> org.apache.zookeeper.ClientCnxn$Packet)
> at org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:930)
> at org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:912)
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.multi(RecoverableZooKeeper.java:531)
> at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.multiOrSequential(ZKUtil.java:1518)
> at
> org.apache.hadoop.hbase.replication.ReplicationZookeeper.copyQueuesFromRSUsingMulti(ReplicationZookeeper.java:804)
> at
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceManager$NodeFailoverWorker.run(ReplicationSourceManager.java:612)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {code}
> It's sure that the shutdown method of the executor is called in
> ReplicationSourceManager#join.
>
> I am looking for the root cause and suggestions are welcomed. Thanks
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