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https://issues.apache.org/jira/browse/KAFKA-1501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357673#comment-14357673
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Ewen Cheslack-Postava commented on KAFKA-1501:
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[~guozhang] Yes, that's correct, so the only way to completely avoid the
problem is to allow the kernel to assign the port automatically. I haven't
checked, but I also wouldn't be surprised if the kernel actually saves recently
freed ports to use for a fast path, which could explain why this happens more
frequently than you might think it would given the fairly large range used for
ephemeral ports.
> transient unit tests failures due to port already in use
> --------------------------------------------------------
>
> Key: KAFKA-1501
> URL: https://issues.apache.org/jira/browse/KAFKA-1501
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Reporter: Jun Rao
> Assignee: Guozhang Wang
> Labels: newbie
> Attachments: KAFKA-1501-choosePorts.patch, KAFKA-1501.patch,
> KAFKA-1501.patch, KAFKA-1501.patch, KAFKA-1501.patch,
> KAFKA-1501_2015-03-09_11:41:07.patch, test-100.out, test-100.out,
> test-27.out, test-29.out, test-32.out, test-35.out, test-38.out, test-4.out,
> test-42.out, test-45.out, test-46.out, test-51.out, test-55.out, test-58.out,
> test-59.out, test-60.out, test-69.out, test-72.out, test-74.out, test-76.out,
> test-84.out, test-87.out, test-91.out, test-92.out
>
>
> Saw the following transient failures.
> kafka.api.ProducerFailureHandlingTest > testTooLargeRecordWithAckOne FAILED
> kafka.common.KafkaException: Socket server failed to bind to
> localhost:59909: Address already in use.
> at kafka.network.Acceptor.openServerSocket(SocketServer.scala:195)
> at kafka.network.Acceptor.<init>(SocketServer.scala:141)
> at kafka.network.SocketServer.startup(SocketServer.scala:68)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:95)
> at kafka.utils.TestUtils$.createServer(TestUtils.scala:123)
> at
> kafka.api.ProducerFailureHandlingTest.setUp(ProducerFailureHandlingTest.scala:68)
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