[
https://issues.apache.org/jira/browse/FLINK-25148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dong Lin updated FLINK-25148:
-----------------------------
Description:
We observed the following stacktrace when running the unit test
org.apache.flink.ml.clustering.KMeansTest::testFeaturePredictionParam. See
[https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true].
Note that the stacktrace contains an IllegalStateException from
org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381).
Thus it is likely due to a bug in the Flink runtime.
{noformat}
Error: testFeaturePredictionParam Time elapsed: 2.079 s <<< ERROR!
[25158|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25158]java.lang.RuntimeException:
Failed to fetch next result
[25159|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25159]
at
org.apache.flink.streaming.api.operators.collect.CollectResultIterator.nextResultFromFetcher(CollectResultIterator.java:109)
[25160|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25160]
at
org.apache.flink.streaming.api.operators.collect.CollectResultIterator.hasNext(CollectResultIterator.java:80)
[25161|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25161]
at org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:848)
[25162|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25162]
at org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:825)
[25163|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25163]
at
org.apache.flink.ml.clustering.KMeansTest.executeAndCollect(KMeansTest.java:105)
[25164|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25164]
at
org.apache.flink.ml.clustering.KMeansTest.testFeaturePredictionParam(KMeansTest.java:162)
[25165|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25165]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[25166|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25166]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[25167|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25167]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[25168|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25168]
at java.lang.reflect.Method.invoke(Method.java:498)
[25169|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25169]
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
[25170|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25170]
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[25171|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25171]
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
[25172|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25172]
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
[25173|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25173]
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
[25174|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25174]
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
[25175|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25175]
at org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
[25176|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25176]
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
[25177|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25177]
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[25178|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25178]
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
[25179|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25179]
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
[25180|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25180]
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
[25181|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25181]
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
[25182|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25182]
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
[25183|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25183]
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
[25184|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25184]
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
[25185|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25185]
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
[25186|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25186]
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
[25187|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25187]
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
[25188|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25188]
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[25189|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25189]
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
[25190|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25190]
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
[25191|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25191]
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
[25192|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25192]
at
org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43)
[25193|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25193]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
[25194|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25194]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
[25195|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25195]
at java.util.Iterator.forEachRemaining(Iterator.java:116)
[25196|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25196]
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
[25197|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25197]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
[25198|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25198]
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
[25199|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25199]
at
java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
[25200|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25200]
at
java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
[25251|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25251]
at
org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:78)
[25252|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25252]
at
org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:163)
[25253|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25253]
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:24)
[25254|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25254]
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:20)
[25255|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25255]
at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
[25256|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25256]
at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
[25257|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25257]
at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:20)
[25258|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25258]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
[25259|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25259]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
[25260|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25260]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
[25261|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25261]
at akka.actor.Actor.aroundReceive(Actor.scala:537)
[25262|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25262]
at akka.actor.Actor.aroundReceive$(Actor.scala:535)
[25263|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25263]
at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:220)
[25264|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25264]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:580)
[25265|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25265]
at akka.actor.ActorCell.invoke(ActorCell.scala:548)
[25266|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25266]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
[25267|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25267]
at akka.dispatch.Mailbox.run(Mailbox.scala:231)
[25268|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25268]
at akka.dispatch.Mailbox.exec(Mailbox.scala:243)
[25269|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25269]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
[25270|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25270]
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
[25271|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25271]
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
[25272|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25272]
at
java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
[25273|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25273]Caused
by: java.lang.IllegalStateException: Should be blocked by checkpoint.
[25274|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25274]
at org.apache.flink.util.Preconditions.checkState(Preconditions.java:193)
[25275|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25275]
at
org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381)
[25276|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25276]
at
org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView.resumeConsumption(PipelinedSubpartitionView.java:79)
[25277|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25277]
at
org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.resumeConsumption(LocalInputChannel.java:283)
[25278|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25278]
at
org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.resumeConsumption(SingleInputGate.java:867)
[25279|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25279]
at
org.apache.flink.runtime.taskmanager.InputGateWithMetrics.resumeConsumption(InputGateWithMetrics.java:67)
[25280|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25280]
at
org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.processBarrier(SingleCheckpointBarrierHandler.java:223)
[25281|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25281]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.triggerUnfinishedChannelsCheckpoint(StreamTask.java:1209)
[25282|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25282]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$12(StreamTask.java:1126)
[25283|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25283]
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)
[25284|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25284]
at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
[25285|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25285]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxExecutorImpl.yield(MailboxExecutorImpl.java:86)
[25286|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25286]
at
org.apache.flink.iteration.operator.HeadOperator.endInput(HeadOperator.java:408)
[25287|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25287]
at
org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.endOperatorInput(StreamOperatorWrapper.java:91)
[25288|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25288]
at
org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.endInput(RegularOperatorChain.java:100)
[25289|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25289]
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:68)
[25290|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25290]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:496)
[25291|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25291]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:203)
[25292|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25292]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:809)
[25293|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25293]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:761)
[25294|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25294]
at
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:958)
[25295|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25295]
at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:937)
[25296|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25296]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:766)
[25297|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25297]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:575)
[25298|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25298]
at java.lang.Thread.run(Thread.java:748)
[25299|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25299]
{noformat}
was:
We observed the following stacktrace when running the unit test
org.apache.flink.ml.clustering.KMeansTest::testFeaturePredictionParam. See
[https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true].
Note that the stacktrace contains an IllegalStateException from
org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381).
Thus it is likely due to a bug in the Flink runtime.
{panel}
Error: testFeaturePredictionParam Time elapsed: 2.079 s <<< ERROR!
[25158|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25158]java.lang.RuntimeException:
Failed to fetch next result
[25159|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25159]
at
org.apache.flink.streaming.api.operators.collect.CollectResultIterator.nextResultFromFetcher(CollectResultIterator.java:109)
[25160|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25160]
at
org.apache.flink.streaming.api.operators.collect.CollectResultIterator.hasNext(CollectResultIterator.java:80)
[25161|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25161]
at org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:848)
[25162|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25162]
at org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:825)
[25163|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25163]
at
org.apache.flink.ml.clustering.KMeansTest.executeAndCollect(KMeansTest.java:105)
[25164|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25164]
at
org.apache.flink.ml.clustering.KMeansTest.testFeaturePredictionParam(KMeansTest.java:162)
[25165|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25165]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[25166|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25166]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[25167|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25167]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[25168|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25168]
at java.lang.reflect.Method.invoke(Method.java:498)
[25169|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25169]
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
[25170|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25170]
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[25171|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25171]
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
[25172|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25172]
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
[25173|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25173]
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
[25174|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25174]
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
[25175|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25175]
at org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
[25176|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25176]
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
[25177|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25177]
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[25178|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25178]
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
[25179|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25179]
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
[25180|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25180]
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
[25181|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25181]
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
[25182|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25182]
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
[25183|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25183]
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
[25184|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25184]
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
[25185|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25185]
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
[25186|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25186]
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
[25187|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25187]
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
[25188|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25188]
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
[25189|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25189]
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
[25190|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25190]
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
[25191|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25191]
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
[25192|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25192]
at
org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43)
[25193|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25193]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
[25194|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25194]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
[25195|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25195]
at java.util.Iterator.forEachRemaining(Iterator.java:116)
[25196|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25196]
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
[25197|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25197]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
[25198|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25198]
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
[25199|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25199]
at
java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
[25200|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25200]
at
java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
[25251|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25251]
at
org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:78)
[25252|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25252]
at
org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:163)
[25253|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25253]
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:24)
[25254|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25254]
at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:20)
[25255|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25255]
at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
[25256|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25256]
at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
[25257|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25257]
at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:20)
[25258|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25258]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
[25259|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25259]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
[25260|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25260]
at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
[25261|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25261]
at akka.actor.Actor.aroundReceive(Actor.scala:537)
[25262|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25262]
at akka.actor.Actor.aroundReceive$(Actor.scala:535)
[25263|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25263]
at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:220)
[25264|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25264]
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:580)
[25265|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25265]
at akka.actor.ActorCell.invoke(ActorCell.scala:548)
[25266|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25266]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
[25267|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25267]
at akka.dispatch.Mailbox.run(Mailbox.scala:231)
[25268|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25268]
at akka.dispatch.Mailbox.exec(Mailbox.scala:243)
[25269|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25269]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
[25270|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25270]
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
[25271|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25271]
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
[25272|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25272]
at
java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
[25273|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25273]Caused
by: java.lang.IllegalStateException: Should be blocked by checkpoint.
[25274|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25274]
at org.apache.flink.util.Preconditions.checkState(Preconditions.java:193)
[25275|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25275]
at
org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381)
[25276|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25276]
at
org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView.resumeConsumption(PipelinedSubpartitionView.java:79)
[25277|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25277]
at
org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.resumeConsumption(LocalInputChannel.java:283)
[25278|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25278]
at
org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.resumeConsumption(SingleInputGate.java:867)
[25279|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25279]
at
org.apache.flink.runtime.taskmanager.InputGateWithMetrics.resumeConsumption(InputGateWithMetrics.java:67)
[25280|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25280]
at
org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.processBarrier(SingleCheckpointBarrierHandler.java:223)
[25281|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25281]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.triggerUnfinishedChannelsCheckpoint(StreamTask.java:1209)
[25282|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25282]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$12(StreamTask.java:1126)
[25283|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25283]
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)
[25284|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25284]
at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
[25285|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25285]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxExecutorImpl.yield(MailboxExecutorImpl.java:86)
[25286|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25286]
at
org.apache.flink.iteration.operator.HeadOperator.endInput(HeadOperator.java:408)
[25287|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25287]
at
org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.endOperatorInput(StreamOperatorWrapper.java:91)
[25288|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25288]
at
org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.endInput(RegularOperatorChain.java:100)
[25289|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25289]
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:68)
[25290|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25290]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:496)
[25291|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25291]
at
org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:203)
[25292|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25292]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:809)
[25293|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25293]
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:761)
[25294|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25294]
at
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:958)
[25295|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25295]
at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:937)
[25296|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25296]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:766)
[25297|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25297]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:575)
[25298|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25298]
at java.lang.Thread.run(Thread.java:748)
[25299|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25299]
{panel}
> PipelinedSubpartition.resumeConsumption throws IllegalStateException
> --------------------------------------------------------------------
>
> Key: FLINK-25148
> URL: https://issues.apache.org/jira/browse/FLINK-25148
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.14.0
> Reporter: Dong Lin
> Priority: Major
>
> We observed the following stacktrace when running the unit test
> org.apache.flink.ml.clustering.KMeansTest::testFeaturePredictionParam. See
> [https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true].
> Note that the stacktrace contains an IllegalStateException from
> org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381).
> Thus it is likely due to a bug in the Flink runtime.
>
> {noformat}
> Error: testFeaturePredictionParam Time elapsed: 2.079 s <<< ERROR!
> [25158|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25158]java.lang.RuntimeException:
> Failed to fetch next result
> [25159|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25159]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultIterator.nextResultFromFetcher(CollectResultIterator.java:109)
>
> [25160|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25160]
> at
> org.apache.flink.streaming.api.operators.collect.CollectResultIterator.hasNext(CollectResultIterator.java:80)
>
> [25161|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25161]
> at
> org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:848)
> [25162|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25162]
> at
> org.apache.commons.collections.IteratorUtils.toList(IteratorUtils.java:825)
> [25163|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25163]
> at
> org.apache.flink.ml.clustering.KMeansTest.executeAndCollect(KMeansTest.java:105)
>
> [25164|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25164]
> at
> org.apache.flink.ml.clustering.KMeansTest.testFeaturePredictionParam(KMeansTest.java:162)
>
> [25165|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25165]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [25166|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25166]
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> [25167|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25167]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
> [25168|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25168]
> at java.lang.reflect.Method.invoke(Method.java:498)
> [25169|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25169]
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>
> [25170|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25170]
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>
> [25171|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25171]
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>
> [25172|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25172]
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>
> [25173|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25173]
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> [25174|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25174]
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> [25175|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25175]
> at
> org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
> [25176|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25176]
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> [25177|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25177]
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> [25178|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25178]
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> [25179|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25179]
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>
> [25180|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25180]
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>
> [25181|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25181]
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> [25182|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25182]
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> [25183|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25183]
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> [25184|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25184]
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> [25185|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25185]
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> [25186|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25186]
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> [25187|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25187]
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> [25188|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25188]
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> [25189|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25189]
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> [25190|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25190]
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> [25191|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25191]
> at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
> [25192|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25192]
> at
> org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:43)
>
> [25193|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25193]
> at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> [25194|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25194]
> at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> [25195|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25195]
> at java.util.Iterator.forEachRemaining(Iterator.java:116)
> [25196|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25196]
> at
> java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
>
> [25197|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25197]
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> [25198|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25198]
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> [25199|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25199]
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> [25200|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25200]
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
>
>
> [25251|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25251]
> at
> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:78)
>
> [25252|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25252]
> at
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:163)
>
> [25253|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25253]
> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:24)
> [25254|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25254]
> at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:20)
> [25255|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25255]
> at scala.PartialFunction.applyOrElse(PartialFunction.scala:123)
> [25256|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25256]
> at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122)
> [25257|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25257]
> at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:20)
> [25258|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25258]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
> [25259|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25259]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
> [25260|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25260]
> at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172)
> [25261|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25261]
> at akka.actor.Actor.aroundReceive(Actor.scala:537)
> [25262|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25262]
> at akka.actor.Actor.aroundReceive$(Actor.scala:535)
> [25263|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25263]
> at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:220)
> [25264|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25264]
> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:580)
> [25265|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25265]
> at akka.actor.ActorCell.invoke(ActorCell.scala:548)
> [25266|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25266]
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:270)
> [25267|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25267]
> at akka.dispatch.Mailbox.run(Mailbox.scala:231)
> [25268|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25268]
> at akka.dispatch.Mailbox.exec(Mailbox.scala:243)
> [25269|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25269]
> at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
> [25270|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25270]
> at
> java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
> [25271|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25271]
> at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
> [25272|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25272]
> at
> java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
> [25273|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25273]Caused
> by: java.lang.IllegalStateException: Should be blocked by checkpoint.
> [25274|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25274]
> at org.apache.flink.util.Preconditions.checkState(Preconditions.java:193)
> [25275|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25275]
> at
> org.apache.flink.runtime.io.network.partition.PipelinedSubpartition.resumeConsumption(PipelinedSubpartition.java:381)
>
> [25276|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25276]
> at
> org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView.resumeConsumption(PipelinedSubpartitionView.java:79)
>
> [25277|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25277]
> at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.resumeConsumption(LocalInputChannel.java:283)
>
> [25278|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25278]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.resumeConsumption(SingleInputGate.java:867)
>
> [25279|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25279]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.resumeConsumption(InputGateWithMetrics.java:67)
>
> [25280|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25280]
> at
> org.apache.flink.streaming.runtime.io.checkpointing.SingleCheckpointBarrierHandler.processBarrier(SingleCheckpointBarrierHandler.java:223)
>
> [25281|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25281]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.triggerUnfinishedChannelsCheckpoint(StreamTask.java:1209)
>
> [25282|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25282]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$12(StreamTask.java:1126)
>
> [25283|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25283]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:50)
>
> [25284|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25284]
> at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
> [25285|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25285]
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxExecutorImpl.yield(MailboxExecutorImpl.java:86)
>
> [25286|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25286]
> at
> org.apache.flink.iteration.operator.HeadOperator.endInput(HeadOperator.java:408)
>
> [25287|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25287]
> at
> org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.endOperatorInput(StreamOperatorWrapper.java:91)
>
> [25288|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25288]
> at
> org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.endInput(RegularOperatorChain.java:100)
>
> [25289|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25289]
> at
> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:68)
>
> [25290|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25290]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:496)
>
> [25291|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25291]
> at
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:203)
>
> [25292|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25292]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:809)
>
> [25293|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25293]
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:761)
>
> [25294|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25294]
> at
> org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:958)
>
> [25295|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25295]
> at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:937)
> [25296|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25296]
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:766)
> [25297|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25297]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:575)
> [25298|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25298]
> at java.lang.Thread.run(Thread.java:748)
> [25299|https://github.com/apache/flink-ml/runs/4379659665?check_suite_focus=true#step:4:25299]
> {noformat}
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