[jira] [Created] (FLINK-21518) CheckpointCoordinatorTest.testMinCheckpointPause fails fatally on AZP

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-21518:
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             Summary: CheckpointCoordinatorTest.testMinCheckpointPause fails fatally on AZP
                 Key: FLINK-21518
                 URL: https://issues.apache.org/jira/browse/FLINK-21518
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Checkpointing
    Affects Versions: 1.12.1, 1.13.0
            Reporter: Till Rohrmann
             Fix For: 1.12.2, 1.13.0


The {{CheckpointCoordinatorTest.testMinCheckpointPause}} fails fatally on AZP. The problem seems to be that the test fails first:

{code}
Test testMinCheckpointPause(org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTest) failed with:
java.lang.AssertionError: expected:<1> but was:<0>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:834)
        at org.junit.Assert.assertEquals(Assert.java:645)
        at org.junit.Assert.assertEquals(Assert.java:631)
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinatorTest.testMinCheckpointPause(CheckpointCoordinatorTest.java:190)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        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.RunBefores.evaluate(RunBefores.java:26)
        at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
        at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
        at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
        at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
        at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
        at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
        at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
{code}

and then the process fails fatally because we try to enqueue something into the {{CheckpointCoordinator}} after the {{ExecutorService}} has been shut down.

{code}
12:20:17,785 [     pool-3-thread-1] ERROR org.apache.flink.runtime.util.FatalExitExceptionHandler      [] - FATAL: Thread 'pool-3-thread-1' produced an uncaught exception. Stopping the process...
java.util.concurrent.CompletionException: java.util.concurrent.CompletionException: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@219d5491 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@649fd666[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 8]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.lambda$startTriggeringCheckpoint$8(CheckpointCoordinator.java:652) ~[classes/:?]
        at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:884) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.uniExceptionallyStage(CompletableFuture.java:898) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.exceptionally(CompletableFuture.java:2209) ~[?:1.8.0_275]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.startTriggeringCheckpoint(CheckpointCoordinator.java:649) ~[classes/:?]
        at java.util.Optional.ifPresent(Optional.java:159) [?:1.8.0_275]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.triggerCheckpoint(CheckpointCoordinator.java:533) [classes/:?]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.triggerCheckpoint(CheckpointCoordinator.java:515) [classes/:?]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator$ScheduledTrigger.run(CheckpointCoordinator.java:1841) [classes/:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_275]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_275]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_275]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_275]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_275]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_275]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]
Caused by: java.util.concurrent.CompletionException: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@219d5491 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@649fd666[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 8]
        at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:838) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:811) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.uniHandleStage(CompletableFuture.java:851) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.handleAsync(CompletableFuture.java:2178) ~[?:1.8.0_275]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.startTriggeringCheckpoint(CheckpointCoordinator.java:597) ~[classes/:?]
        ... 11 more
Caused by: java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@219d5491 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@649fd666[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 8]
        at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2063) ~[?:1.8.0_275]
        at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:830) ~[?:1.8.0_275]
        at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:326) ~[?:1.8.0_275]
        at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:533) ~[?:1.8.0_275]
        at java.util.concurrent.ScheduledThreadPoolExecutor.execute(ScheduledThreadPoolExecutor.java:622) ~[?:1.8.0_275]
        at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668) ~[?:1.8.0_275]
        at org.apache.flink.runtime.concurrent.ScheduledExecutorServiceAdapter.execute(ScheduledExecutorServiceAdapter.java:64) ~[classes/:?]
        at java.util.concurrent.CompletableFuture$UniCompletion.claim(CompletableFuture.java:543) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:826) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:811) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.uniHandleStage(CompletableFuture.java:851) ~[?:1.8.0_275]
        at java.util.concurrent.CompletableFuture.handleAsync(CompletableFuture.java:2178) ~[?:1.8.0_275]
        at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.startTriggeringCheckpoint(CheckpointCoordinator.java:597) ~[classes/:?]
        ... 11 more
{code}

Looking at the code, the problem should also be present in the current master.

cc [~roman_khachatryan]



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