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https://issues.apache.org/jira/browse/FLINK-21518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Roman Khachatryan resolved FLINK-21518.
---------------------------------------
Release Note:
Merged into master as 8c610fcd0719569dbc6479e133442003032eaa6d,
into release-1.12 as a15df72b215b9a8a08df3c31602d8f7c6a71effc
Resolution: Fixed
> 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
> Assignee: Roman Khachatryan
> Priority: Major
> Labels: pull-request-available, test-stability
> Fix For: 1.13.0, 1.12.3
>
>
> 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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