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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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