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https://issues.apache.org/jira/browse/FLINK-22105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Roman Khachatryan reassigned FLINK-22105:
-----------------------------------------

    Assignee: Roman Khachatryan

> SubtaskCheckpointCoordinatorTest.testForceAlignedCheckpointResultingInPriorityEvents
>  unstable
> ---------------------------------------------------------------------------------------------
>
>                 Key: FLINK-22105
>                 URL: https://issues.apache.org/jira/browse/FLINK-22105
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.13.0
>            Reporter: Robert Metzger
>            Assignee: Roman Khachatryan
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.13.0
>
>
> https://dev.azure.com/rmetzger/Flink/_build/results?buildId=9021&view=logs&j=9dc1b5dc-bcfa-5f83-eaa7-0cb181ddc267&t=ab910030-93db-52a7-74a3-34a0addb481b
> {code}
> 2021-04-01T19:29:55.2392858Z [ERROR] Tests run: 10, Failures: 0, Errors: 1, 
> Skipped: 0, Time elapsed: 1.921 s <<< FAILURE! - in 
> org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorTest
> 2021-04-01T19:29:55.2396751Z [ERROR] 
> testForceAlignedCheckpointResultingInPriorityEvents(org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorTest)
>   Time elapsed: 0.02 s  <<< ERROR!
> 2021-04-01T19:29:55.2397415Z java.lang.RuntimeException: unable to send 
> request to worker
> 2021-04-01T19:29:55.2397956Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriterImpl.enqueue(ChannelStateWriterImpl.java:228)
> 2021-04-01T19:29:55.2398603Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriterImpl.finishOutput(ChannelStateWriterImpl.java:183)
> 2021-04-01T19:29:55.2399310Z  at 
> org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.checkpointState(SubtaskCheckpointCoordinatorImpl.java:298)
> 2021-04-01T19:29:55.2400104Z  at 
> org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorTest.testForceAlignedCheckpointResultingInPriorityEvents(SubtaskCheckpointCoordinatorTest.java:215)
> 2021-04-01T19:29:55.2400746Z  at 
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 2021-04-01T19:29:55.2401202Z  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 2021-04-01T19:29:55.2401746Z  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 2021-04-01T19:29:55.2402237Z  at 
> java.lang.reflect.Method.invoke(Method.java:498)
> 2021-04-01T19:29:55.2402722Z  at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 2021-04-01T19:29:55.2403270Z  at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 2021-04-01T19:29:55.2403818Z  at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 2021-04-01T19:29:55.2404354Z  at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 2021-04-01T19:29:55.2404854Z  at 
> org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> 2021-04-01T19:29:55.2405359Z  at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> 2021-04-01T19:29:55.2405896Z  at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> 2021-04-01T19:29:55.2406393Z  at 
> org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> 2021-04-01T19:29:55.2406855Z  at 
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> 2021-04-01T19:29:55.2407331Z  at 
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> 2021-04-01T19:29:55.2407806Z  at 
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> 2021-04-01T19:29:55.2408279Z  at 
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> 2021-04-01T19:29:55.2408907Z  at 
> org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> 2021-04-01T19:29:55.2409403Z  at 
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> 2021-04-01T19:29:55.2409954Z  at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> 2021-04-01T19:29:55.2410524Z  at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> 2021-04-01T19:29:55.2411318Z  at 
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> 2021-04-01T19:29:55.2411880Z  at 
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> 2021-04-01T19:29:55.2412467Z  at 
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> 2021-04-01T19:29:55.2413006Z  at 
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> 2021-04-01T19:29:55.2413519Z  at 
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> 2021-04-01T19:29:55.2414082Z Caused by: java.lang.IllegalArgumentException: 
> writer not found while processing request: writeOutput 0
> 2021-04-01T19:29:55.2414726Z  at 
> org.apache.flink.runtime.checkpoint.channel.CheckpointInProgressRequest.onWriterMissing(ChannelStateWriteRequest.java:223)
> 2021-04-01T19:29:55.2415463Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestDispatcherImpl.dispatchInternal(ChannelStateWriteRequestDispatcherImpl.java:80)
> 2021-04-01T19:29:55.2416331Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestDispatcherImpl.dispatch(ChannelStateWriteRequestDispatcherImpl.java:59)
> 2021-04-01T19:29:55.2417066Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl.loop(ChannelStateWriteRequestExecutorImpl.java:96)
> 2021-04-01T19:29:55.2417782Z  at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl.run(ChannelStateWriteRequestExecutorImpl.java:75)
> 2021-04-01T19:29:55.2418329Z  at java.lang.Thread.run(Thread.java:748)
> 2021-04-01T19:29:55.2418741Z  Suppressed: java.lang.IllegalStateException: 
> not running
> 2021-04-01T19:29:55.2419343Z          at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl.ensureRunning(ChannelStateWriteRequestExecutorImpl.java:152)
> 2021-04-01T19:29:55.2420249Z          at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl.submitInternal(ChannelStateWriteRequestExecutorImpl.java:144)
> 2021-04-01T19:29:55.2421010Z          at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriteRequestExecutorImpl.submit(ChannelStateWriteRequestExecutorImpl.java:128)
> 2021-04-01T19:29:55.2421694Z          at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriterImpl.enqueue(ChannelStateWriterImpl.java:225)
> 2021-04-01T19:29:55.2422333Z          at 
> org.apache.flink.runtime.checkpoint.channel.ChannelStateWriterImpl.finishOutput(ChannelStateWriterImpl.java:183)
> 2021-04-01T19:29:55.2423029Z          at 
> org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.checkpointState(SubtaskCheckpointCoordinatorImpl.java:298)
> 2021-04-01T19:29:55.2423820Z          at 
> org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorTest.testForceAlignedCheckpointResultingInPriorityEvents(SubtaskCheckpointCoordinatorTest.java:215)
> 2021-04-01T19:29:55.2425923Z          at 
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 2021-04-01T19:29:55.2426529Z          at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 2021-04-01T19:29:55.2427162Z          at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 2021-04-01T19:29:55.2427727Z          at 
> java.lang.reflect.Method.invoke(Method.java:498)
> 2021-04-01T19:29:55.2428283Z          at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 2021-04-01T19:29:55.2429008Z          at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 2021-04-01T19:29:55.2429611Z          at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 2021-04-01T19:29:55.2430357Z          at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 2021-04-01T19:29:55.2430921Z          at 
> org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> 2021-04-01T19:29:55.2431809Z          at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> 2021-04-01T19:29:55.2432459Z          at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> 2021-04-01T19:29:55.2433013Z          at 
> org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> 2021-04-01T19:29:55.2433513Z          at 
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> 2021-04-01T19:29:55.2434043Z          at 
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> 2021-04-01T19:29:55.2434568Z          at 
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> 2021-04-01T19:29:55.2435093Z          at 
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> 2021-04-01T19:29:55.2435609Z          at 
> org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> 2021-04-01T19:29:55.2436161Z          at 
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> 2021-04-01T19:29:55.2436772Z          at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> 2021-04-01T19:29:55.2437399Z          at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> 2021-04-01T19:29:55.2438127Z          at 
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> 2021-04-01T19:29:55.2438881Z          at 
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> 2021-04-01T19:29:55.2439509Z          at 
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> 2021-04-01T19:29:55.2440088Z          at 
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> 2021-04-01T19:29:55.2440642Z          at 
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> 2021-04-01T19:29:55.2440899Z 
> {code}



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