[KAFKA-7965] Flaky Test ConsumerBounceTest#testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.1.1, 2.2.0, 2.3.0
• Fix Version/s: 2.6.0
• Component/s: clients, consumer, unit tests
• Labels: flaky-test
• Assignee: David Jacot
• Reporter: Matthias J. Sax
• Created: 21/Feb/19 00:26
• Updated: 01/Oct/20 14:44
• Resolved: 14/May/20 09:13

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: Received 0, expected at least 68 at org.junit.Assert.fail(Assert.java:88) at org.junit.Assert.assertTrue(Assert.java:41) at kafka.api.ConsumerBounceTest.receiveAndCommit(ConsumerBounceTest.scala:557) at kafka.api.ConsumerBounceTest.$anonfun$testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup$1(ConsumerBounceTest.scala:320) at kafka.api.ConsumerBounceTest.$anonfun$testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup$1$adapted(ConsumerBounceTest.scala:319) 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.testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup(ConsumerBounceTest.scala:319)

Issue Links

• contains: KAFKA-7936 Flaky Test ConsumerBounceTest#testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup
• is duplicated by: KAFKA-8260 Flaky test ConsumerBounceTest#testRollingBrokerRestartsWithSmallerMaxGroupSizeConfigDisruptsBigGroup
• is fixed by: KAFKA-9844 Maximum number of members within a group is not always enforced due to a race condition in join group
• is related to: KAFKA-7540 Flaky Test ConsumerBounceTest#testClose
• relates to: KAFKA-7964 Flaky Test ConsumerBounceTest#testConsumerReceivesFatalExceptionWhenGroupPassesMaxSize
• relates to: KAFKA-9885 Evict last members of a group when the maximum allowed is reached
• links to: GitHub Pull Request #6557
• links to: GitHub Pull Request #6608
• links to: GitHub Pull Request #8437