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https://issues.apache.org/jira/browse/KAFKA-8747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Gustafson resolved KAFKA-8747.
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Resolution: Fixed
> Flaky Test ControllerEventManagerTest#testEventQueueTime
> --------------------------------------------------------
>
> Key: KAFKA-8747
> URL: https://issues.apache.org/jira/browse/KAFKA-8747
> Project: Kafka
> Issue Type: Bug
> Components: core, unit tests
> Affects Versions: 2.4.0
> Reporter: Matthias J. Sax
> Assignee: Stanislav Kozlovski
> Priority: Critical
> Labels: flaky-test
>
> [https://builds.apache.org/job/kafka-pr-jdk11-scala2.12/6671/testReport/junit/kafka.controller/ControllerEventManagerTest/testEventQueueTime/]
> {quote}java.lang.AssertionError: expected:<500.0> but was:<0.0> at
> org.junit.Assert.fail(Assert.java:89) at
> org.junit.Assert.failNotEquals(Assert.java:835) at
> org.junit.Assert.assertEquals(Assert.java:555) at
> org.junit.Assert.assertEquals(Assert.java:685) at
> kafka.controller.ControllerEventManagerTest.testEventQueueTime(ControllerEventManagerTest.scala:100){quote}
> STDOUT:
> {quote}[2019-08-01 18:51:09,815] ERROR [ControllerEventThread controllerId=0]
> Uncaught error processing event BrokerChange
> (kafka.controller.ControllerEventManager$ControllerEventThread:76)
> java.lang.NullPointerException at
> kafka.controller.ControllerEventManagerTest.$anonfun$testEventThatThrowsException$1(ControllerEventManagerTest.scala:112)
> at scala.Function0.apply$mcV$sp(Function0.scala:39) at
> kafka.controller.ControllerEventManagerTest$$anon$3.process(ControllerEventManagerTest.scala:126)
> at kafka.controller.QueuedEvent.process(ControllerEventManager.scala:53) at
> kafka.controller.ControllerEventManager$ControllerEventThread.$anonfun$doWork$1(ControllerEventManager.scala:137)
> at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23) at
> kafka.metrics.KafkaTimer.time(KafkaTimer.scala:31) at
> kafka.controller.ControllerEventManager$ControllerEventThread.doWork(ControllerEventManager.scala:137)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:89)
> {quote}
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