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Posted to dev@apex.apache.org by "Pramod Immaneni (JIRA)" <ji...@apache.org> on 2018/04/19 09:10:00 UTC
[jira] [Created] (APEXCORE-810) Concurrent modification exception
during connection cleanup in buffer server
Pramod Immaneni created APEXCORE-810:
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Summary: Concurrent modification exception during connection cleanup in buffer server
Key: APEXCORE-810
URL: https://issues.apache.org/jira/browse/APEXCORE-810
Project: Apache Apex Core
Issue Type: Bug
Reporter: Pramod Immaneni
Assignee: Pramod Immaneni
ERROR com.datatorrent.bufferserver.server.Server: Buffer server Server@56cfec7c\{address=/0:0:0:0:0:0:0:0:45081} failed to tear down subscriber Subscriber@2ff22212{ln=LogicalNode@36d87f9eidentifier=tcp://xxxxxx:45081/2.output.1, upstream=2.output.1, group=rand_console/3.input, partitions=[], iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@6caeed6a{da=com.datatorrent.bufferserver.internal.DataList$Block@506501e4{identifier=2.output.1, data=16777216, readingOffset=0, writingOffset=1822, starting_window=59dc9c3000000001, ending_window=59dc9c3000000055, refCount=2, uniqueIdentifier=0, next=null, future=null}}}}.java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
at java.util.HashMap$KeyIterator.next(HashMap.java:956)
at com.datatorrent.bufferserver.internal.LogicalNode.removeChannel(LogicalNode.java:118)
at com.datatorrent.bufferserver.server.Server$3.run(Server.java:410)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
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