Igor Soarez created KAFKA-16920:
-----------------------------------
Summary: Flaky test testControlledShutdown() -
kafka.server.BrokerLifecycleManagerTest
Key: KAFKA-16920
URL: https://issues.apache.org/jira/browse/KAFKA-16920
Project: Kafka
Issue Type: Test
Reporter: Igor Soarez
Several tests failed in this pipeline because `testControlledShutdown` did not
clean up properly:
[https://ci-builds.apache.org/blue/organizations/jenkins/Kafka%2Fkafka-pr/detail/PR-16232/3/tests]
Stack trace
{code:java}
org.opentest4j.AssertionFailedError: Found 1 unexpected threads during
@BeforeAll: `controlled-shutdown-lifecycle-manager-event-handler` ==> expected:
<true> but was: <false>
at
org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
at
org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
at org.junit.jupiter.api.AssertTrue.failNotTrue(AssertTrue.java:63)
at org.junit.jupiter.api.AssertTrue.assertTrue(AssertTrue.java:36)
at org.junit.jupiter.api.Assertions.assertTrue(Assertions.java:214)
at kafka.utils.TestUtils$.verifyNoUnexpectedThreads(TestUtils.scala:1917)
at kafka.server.QuorumTestHarness$.setUpClass(QuorumTestHarness.scala:489)
at kafka.server.QuorumTestHarness.setUpClass(QuorumTestHarness.scala)
{code}
Note that the thread name
{{controlled-shutdown-lifecycle-manager-event-handler}} originates from the
{{BrokerLifecycleManager}} instance created in
{{{}kafka.server.BrokerLifecycleManagerTest#testControlledShutdown{}}}.
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