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https://issues.apache.org/jira/browse/HBASE-8585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13663842#comment-13663842
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ramkrishna.s.vasudevan commented on HBASE-8585:
-----------------------------------------------
So you mean the RejectedExecutionException came because the pool was shutdown
but we are trying to process new task. Ok may be we can check the logs, if that
was the case then your point is valid Chunhui.
> AssignmentManager should handle RejectedExecutionException
> ----------------------------------------------------------
>
> Key: HBASE-8585
> URL: https://issues.apache.org/jira/browse/HBASE-8585
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 8585-v1.txt, 8585-v3.txt
>
>
> In test output, I noticed the following:
> {code}
> 2013-05-21 03:39:37,015 DEBUG [Thread-1446-EventThread]
> zookeeper.ZooKeeperWatcher(307): master:35255-0x13ec52b4ce30000 Received
> ZooKeeper Event, type=NodeDataChanged, state=SyncConnected,
> path=/hbase/region-in-transition/8b6ce00aafd483a6ed7a76425009ebf8
> 2013-05-21 03:39:37,015 ERROR [Thread-1446-EventThread]
> zookeeper.ClientCnxn$EventThread(521): Error while calling watcher
> java.util.concurrent.RejectedExecutionException
> at
> java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:1768)
> at
> java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:767)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:658)
> at
> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:78)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.zkEventWorkersSubmit(AssignmentManager.java:1136)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.handleAssignmentEvent(AssignmentManager.java:1306)
> at
> org.apache.hadoop.hbase.master.AssignmentManager.nodeDataChanged(AssignmentManager.java:1095)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:338)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> {code}
> By default, ThreadPoolExecutor.AbortPolicy is used for zkEventWorkers,
> leading to the above exception.
> We should examine the calls to zkEventWorkersSubmit() and devise proper
> handling for RejectedExecutionException.
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