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https://issues.apache.org/jira/browse/KAFKA-8918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Guozhang Wang resolved KAFKA-8918.
----------------------------------
    Resolution: Fixed

> Flaky Test 
> org.apache.kafka.trogdor.coordinator.CoordinatorTest.testTaskCancellation
> ------------------------------------------------------------------------------------
>
>                 Key: KAFKA-8918
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8918
>             Project: Kafka
>          Issue Type: Bug
>          Components: core, unit tests
>            Reporter: Guozhang Wang
>            Priority: Major
>              Labels: flaky-test
>
> {code}
> Stacktrace
> java.lang.AssertionError: Condition not met within timeout 15000. Timed out 
> waiting for expected tasks 
> {"foo":{"id":"foo","taskState":{"state":"DONE","spec":{"class":"org.apache.kafka.trogdor.task.NoOpTaskSpec","startMs":5,"durationMs":7},"startedMs":11,"doneMs":18,"cancelled":true,"status":{"node01":"done","node02":"done"}},"workerState":{"state":"DONE","taskId":"foo","spec":{"class":"org.apache.kafka.trogdor.task.NoOpTaskSpec","startMs":5,"durationMs":7},"startedMs":11,"doneMs":18,"status":"done"}}}
>       at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:376)
>       at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:336)
>       at 
> org.apache.kafka.trogdor.common.ExpectedTasks.waitFor(ExpectedTasks.java:144)
>       at 
> org.apache.kafka.trogdor.coordinator.CoordinatorTest.testTaskCancellation(CoordinatorTest.java:264)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.base/java.lang.reflect.Method.invoke(Method.java:566)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at 
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:288)
>       at 
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:282)
>       at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> {code}



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