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From "Vlad Rozov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APEXCORE-643) BufferServer - Concurrent Modification Exception during Subscriber Teardown
Date Wed, 08 Feb 2017 16:46:41 GMT

    [ https://issues.apache.org/jira/browse/APEXCORE-643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15858207#comment-15858207
] 

Vlad Rozov commented on APEXCORE-643:
-------------------------------------

[~sandesh] Please test against https://github.com/apache/apex-core/pull/436

> BufferServer - Concurrent Modification Exception during Subscriber Teardown
> ---------------------------------------------------------------------------
>
>                 Key: APEXCORE-643
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-643
>             Project: Apache Apex Core
>          Issue Type: Bug
>          Components: Buffer Server
>            Reporter: Sandesh
>            Assignee: Vlad Rozov
>            Priority: Minor
>
> Saw the following exception, while running the BufferServer unit test
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
> 	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
> 	at com.datatorrent.bufferserver.internal.LogicalNode.removeChannel(LogicalNode.java:116)
> 	at com.datatorrent.bufferserver.server.Server$3.run(Server.java:329)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)



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