[jira] [Resolved] (KAFKA-6734) TopicMetadataTest is flaky

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-6734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu resolved KAFKA-6734.
---------------------------
    Resolution: Cannot Reproduce

> TopicMetadataTest is flaky
> --------------------------
>
>                 Key: KAFKA-6734
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6734
>             Project: Kafka
>          Issue Type: Test
>            Reporter: Ted Yu
>            Priority: Minor
>
> I got two different test failures in two runs of test suite:
> {code}
> kafka.integration.TopicMetadataTest > testAutoCreateTopic FAILED
>     kafka.common.KafkaException: fetching topic metadata for topics [Set(testAutoCreateTopic)] from broker [List(BrokerEndPoint(0,,41557))] failed
>         at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:77)
>         at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:98)
>         at kafka.integration.TopicMetadataTest.testAutoCreateTopic(TopicMetadataTest.scala:105)
>         Caused by:
>         java.net.SocketTimeoutException
>             at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:211)
>             at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
>             at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:385)
>             at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:122)
>             at kafka.network.BlockingChannel.readCompletely(BlockingChannel.scala:131)
>             at kafka.network.BlockingChannel.receive(BlockingChannel.scala:122)
>             at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:82)
>             at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:79)
>             at kafka.producer.SyncProducer.send(SyncProducer.scala:124)
>             at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:63)
>             ... 2 more
> {code}
> {code}
> kafka.integration.TopicMetadataTest > testIsrAfterBrokerShutDownAndJoinsBack FAILED
>     java.lang.AssertionError: Topic metadata is not correctly updated for broker kafka.server.KafkaServer@4c45dc9f.
>     Expected ISR: List(BrokerEndPoint(0,localhost,40822), BrokerEndPoint(1,localhost,39030))
>     Actual ISR  : Vector(BrokerEndPoint(0,localhost,40822))
>         at kafka.utils.TestUtils$.fail(TestUtils.scala:355)
>         at kafka.utils.TestUtils$.waitUntilTrue(TestUtils.scala:865)
>         at kafka.integration.TopicMetadataTest$$anonfun$checkIsr$1.apply(TopicMetadataTest.scala:191)
>         at kafka.integration.TopicMetadataTest$$anonfun$checkIsr$1.apply(TopicMetadataTest.scala:189)
>         at scala.collection.immutable.List.foreach(List.scala:392)
>         at kafka.integration.TopicMetadataTest.checkIsr(TopicMetadataTest.scala:189)
>         at kafka.integration.TopicMetadataTest.testIsrAfterBrokerShutDownAndJoinsBack(TopicMetadataTest.scala:231)
> {code}



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