[KAFKA-7964] Flaky Test ConsumerBounceTest#testConsumerReceivesFatalExceptionWhenGroupPassesMaxSize

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Affects Version/s: 2.2.0
• Component/s: clients, consumer, unit tests
• Labels: flaky-test
• Assignee: Unassigned
• Reporter: Matthias J. Sax
• Created: 21/Feb/19 00:25
• Updated: 29/Apr/21 19:22

Description

To get stable nightly builds for `2.2` release, I create tickets for all observed test failures.

https://jenkins.confluent.io/job/apache-kafka-test/job/2.2/21/

java.lang.AssertionError: expected:<100> but was:<0> at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.failNotEquals(Assert.java:834) at org.junit.Assert.assertEquals(Assert.java:645) at org.junit.Assert.assertEquals(Assert.java:631) at kafka.api.ConsumerBounceTest.receiveExactRecords(ConsumerBounceTest.scala:551) at kafka.api.ConsumerBounceTest.$anonfun$testConsumerReceivesFatalExceptionWhenGroupPassesMaxSize$2(ConsumerBounceTest.scala:409) at kafka.api.ConsumerBounceTest.$anonfun$testConsumerReceivesFatalExceptionWhenGroupPassesMaxSize$2$adapted(ConsumerBounceTest.scala:408) at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62) at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49) at kafka.api.ConsumerBounceTest.testConsumerReceivesFatalExceptionWhenGroupPassesMaxSize(ConsumerBounceTest.scala:408)

Issue Links

• is related to: KAFKA-7540 Flaky Test ConsumerBounceTest#testClose
• is related to: KAFKA-7965 Flaky Test ConsumerBounceTest#testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup