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Posted to dev@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2013/05/21 19:03:20 UTC
[jira] [Created] (HBASE-8585) AssignmentManager should handle
RejectedExecutionException
Ted Yu created HBASE-8585:
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Summary: AssignmentManager should handle RejectedExecutionException
Key: HBASE-8585
URL: https://issues.apache.org/jira/browse/HBASE-8585
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
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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