[FLINK-13514] StreamTaskTest.testAsyncCheckpointingConcurrentCloseAfterAcknowledge unstable

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.9.0, 1.10.0
• Fix Version/s: 1.9.1, 1.10.0
• Component/s: Runtime / Task, Tests
• Labels: pull-request-available test-stability
• Assignee: Aljoscha Krettek
• Reporter: Chesnay Schepler
• Created: 31/Jul/19 14:07
• Updated: 30/Aug/19 08:06
• Resolved: 30/Aug/19 08:06

Description

Somewhat reproducible by running the test locally a few hundred times.

org.mockito.exceptions.verification.NeverWantedButInvoked:
keyedStateHandle.discardState();
Never wanted here:
-> at org.apache.flink.streaming.runtime.tasks.StreamTaskTest.testAsyncCheckpointingConcurrentCloseAfterAcknowledge(StreamTaskTest.java:543)
But invoked here:
-> at org.apache.flink.runtime.state.SnapshotResult.discardState(SnapshotResult.java:82)


    at org.apache.flink.streaming.runtime.tasks.StreamTaskTest.testAsyncCheckpointingConcurrentCloseAfterAcknowledge(StreamTaskTest.java:543)
    at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
    at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.lang.Thread.run(Thread.java:748)

Issue Links

• links to: GitHub Pull Request #9563