Ted Yu created KAFKA-6734:
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Summary: TopicMetadataTest is flaky
Key: KAFKA-6734
URL: https://issues.apache.org/jira/browse/KAFKA-6734
Project: Kafka
Issue Type: Test
Reporter: Ted Yu
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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