Clarkkkkk commented on issue #7780: [FLINK-11593][tests] Check & port TaskManagerTest to new code base URL: https://github.com/apache/flink/pull/7780#issuecomment-476035570 12:55:01.483 [ERROR] TaskExecutorSubmissionTest.testRequestStackTraceSample:1038->lambda$testRequestStackTraceSample$20:994 Unexpected stack trace: [sun.misc.Unsafe.unpark(Native Method), java.util.concurrent.locks.LockSupport.unpark(LockSupport.java:141), java.util.concurrent.CompletableFuture$Signaller.tryFire(CompletableFuture.java:1669), java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474), java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962), org.apache.flink.runtime.taskexecutor.TestTaskManagerActions.updateTaskExecutionState(TestTaskManagerActions.java:76), org.apache.flink.runtime.taskmanager.Task.run(Task.java:705), java.lang.Thread.run(Thread.java:748)] Looks like the requestStackTraceSample could happen before task is invoked and after task execution state turns to RUNNING.
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