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Posted to dev@kafka.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/12/03 00:03:00 UTC

[jira] [Created] (KAFKA-6300) SelectorTest may fail with ConcurrentModificationException

Ted Yu created KAFKA-6300:
-----------------------------

             Summary: SelectorTest may fail with ConcurrentModificationException
                 Key: KAFKA-6300
                 URL: https://issues.apache.org/jira/browse/KAFKA-6300
             Project: Kafka
          Issue Type: Test
            Reporter: Ted Yu
            Priority: Minor


From https://builds.apache.org/job/kafka-trunk-jdk8/2255/testReport/junit/org.apache.kafka.common.network/SelectorTest/testImmediatelyConnectedCleaned/ :
{code}
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
	at java.util.ArrayList$Itr.next(ArrayList.java:859)
	at org.apache.kafka.common.network.EchoServer.closeConnections(EchoServer.java:115)
	at org.apache.kafka.common.network.EchoServer.close(EchoServer.java:121)
	at org.apache.kafka.common.network.SelectorTest.tearDown(SelectorTest.java:95)
{code}
It seems sockets ArrayList was modified during closing.



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