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https://issues.apache.org/jira/browse/FLINK-15247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17012508#comment-17012508
]
Yu Li commented on FLINK-15247:
-------------------------------
Another instance: https://api.travis-ci.com/v3/job/272186736/log.txt
> Closing (Testing)MiniCluster may cause ConcurrentModificationException
> ----------------------------------------------------------------------
>
> Key: FLINK-15247
> URL: https://issues.apache.org/jira/browse/FLINK-15247
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Affects Versions: 1.10.0
> Reporter: Gary Yao
> Assignee: Andrey Zagrebin
> Priority: Blocker
> Labels: pull-request-available, test-stability
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {noformat}
> Test
> operatorsBecomeBackPressured(org.apache.flink.test.streaming.runtime.BackPressureITCase)
> failed with:
> org.apache.flink.util.FlinkException: Could not close resource.
> at
> org.apache.flink.util.AutoCloseableAsync.close(AutoCloseableAsync.java:42)org.apache.flink.test.streaming.runtime.BackPressureITCase.tearDown(BackPressureITCase.java:165)
> 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.RunAfters.evaluate(RunAfters.java:33)
> 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.junit.runners.Suite.runChild(Suite.java:128)
> at org.junit.runners.Suite.runChild(Suite.java:27)
> 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$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:55)
> at
> org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:137)
> at
> org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeEager(JUnitCoreWrapper.java:107)
> at
> org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:83)
> at
> org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:75)
> at
> org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:158)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> Caused by: org.apache.flink.util.FlinkException: Error while shutting the
> TaskExecutor down.
> at
> org.apache.flink.runtime.taskexecutor.TaskExecutor.handleOnStopException(TaskExecutor.java:397)
> at
> org.apache.flink.runtime.taskexecutor.TaskExecutor.lambda$onStop$0(TaskExecutor.java:382)
> at
> java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:822)
> at
> java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:797)
> at
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
> at
> java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
> at
> org.apache.flink.runtime.concurrent.FutureUtils.lambda$runAfterwardsAsync$16(FutureUtils.java:518)
> at
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
> at
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
> at
> java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
> at
> org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:211)
> at
> java.util.concurrent.CompletableFuture$UniCompletion.claim(CompletableFuture.java:529)
> at
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:751)
> at
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
> at
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
> at
> java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
> at
> org.apache.flink.runtime.concurrent.FutureUtils$WaitingConjunctFuture.handleCompletedFuture(FutureUtils.java:699)
> at
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
> at
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
> at
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
> at
> java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:529)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.flink.util.FlinkException: Could not properly shut down
> the TaskManager services.
> at
> org.apache.flink.runtime.taskexecutor.TaskManagerServices.shutDown(TaskManagerServices.java:198)
> at
> org.apache.flink.runtime.taskexecutor.TaskExecutor.stopTaskExecutorServices(TaskExecutor.java:419)
> at
> org.apache.flink.runtime.concurrent.FutureUtils.lambda$runAfterwardsAsync$16(FutureUtils.java:512)
> ... 16 more
> Caused by: java.util.ConcurrentModificationException
> at java.util.HashMap$Values.forEach(HashMap.java:984)
> at
> org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable.stop(TaskSlotTable.java:155)
> at
> org.apache.flink.runtime.taskexecutor.TaskManagerServices.shutDown(TaskManagerServices.java:184)
> ... 18 more
> {noformat}
> https://api.travis-ci.com/v3/job/266467337/log.txt
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