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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/05/22 01:06:20 UTC
[jira] [Updated] (HBASE-8585) AssignmentManager should handle
RejectedExecutionException
[ https://issues.apache.org/jira/browse/HBASE-8585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-8585:
--------------------------
Status: Patch Available (was: Open)
> 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
>
>
> 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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