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https://issues.apache.org/jira/browse/KAFKA-6300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16280783#comment-16280783
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ASF GitHub Bot commented on KAFKA-6300:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/4299
> 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
> Fix For: 1.1.0, 1.0.1
>
>
> 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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