[
https://issues.apache.org/jira/browse/FLINK-19387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Arvid Heise resolved FLINK-19387.
---------------------------------
Resolution: Duplicate
> ConnectedComponentsWithDeferredUpdateITCase.testJobWithoutObjectReuse deadlock
> ------------------------------------------------------------------------------
>
> Key: FLINK-19387
> URL: https://issues.apache.org/jira/browse/FLINK-19387
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.12.0
> Reporter: Dian Fu
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.12.0
>
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=6870&view=logs&j=119bbba7-f5e3-5e08-e72d-09f1529665de&t=7dc1f5a9-54e1-502e-8b02-c7df69073cfc
> {code}
> 2020-09-23T21:50:39.2444176Z Found one Java-level deadlock:
> 2020-09-23T21:50:39.2444633Z =============================
> 2020-09-23T21:50:39.2445001Z "Temp writer":
> 2020-09-23T21:50:39.2445484Z waiting to lock monitor 0x00007f4e14004ca8
> (object 0x0000000086501948, a java.lang.Object),
> 2020-09-23T21:50:39.2446418Z which is held by
> "flink-akka.actor.default-dispatcher-2"
> 2020-09-23T21:50:39.2447193Z "flink-akka.actor.default-dispatcher-2":
> 2020-09-23T21:50:39.2447903Z waiting to lock monitor 0x00007f4e14004bf8
> (object 0x0000000086501930, a
> org.apache.flink.runtime.io.network.partition.PrioritizedDeque),
> 2020-09-23T21:50:39.2448703Z which is held by "Temp writer"
> 2020-09-23T21:50:39.2448965Z
> 2020-09-23T21:50:39.2449384Z Java stack information for the threads listed
> above:
> 2020-09-23T21:50:39.2449900Z
> ===================================================
> 2020-09-23T21:50:39.2450325Z "Temp writer":
> 2020-09-23T21:50:39.2451050Z at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.checkAndWaitForSubpartitionView(LocalInputChannel.java:244)
> 2020-09-23T21:50:39.2452264Z - waiting to lock <0x0000000086501948> (a
> java.lang.Object)
> 2020-09-23T21:50:39.2453183Z at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.getNextBuffer(LocalInputChannel.java:205)
> 2020-09-23T21:50:39.2454173Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.waitAndGetNextData(SingleInputGate.java:642)
> 2020-09-23T21:50:39.2455422Z - locked <0x0000000086501930> (a
> org.apache.flink.runtime.io.network.partition.PrioritizedDeque)
> 2020-09-23T21:50:39.2456310Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:619)
> 2020-09-23T21:50:39.2457311Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNext(SingleInputGate.java:602)
> 2020-09-23T21:50:39.2458205Z at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.getNext(InputGateWithMetrics.java:105)
> 2020-09-23T21:50:39.2459258Z at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:100)
> 2020-09-23T21:50:39.2460465Z at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> 2020-09-23T21:50:39.2461344Z at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> 2020-09-23T21:50:39.2462164Z at
> org.apache.flink.runtime.operators.TempBarrier$TempWritingThread.run(TempBarrier.java:178)
> 2020-09-23T21:50:39.2463418Z "flink-akka.actor.default-dispatcher-2":
> 2020-09-23T21:50:39.2464109Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.queueChannel(SingleInputGate.java:825)
> 2020-09-23T21:50:39.2465336Z - waiting to lock <0x0000000086501930> (a
> org.apache.flink.runtime.io.network.partition.PrioritizedDeque)
> 2020-09-23T21:50:39.2466228Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.notifyChannelNonEmpty(SingleInputGate.java:791)
> 2020-09-23T21:50:39.2467222Z at
> org.apache.flink.runtime.io.network.partition.consumer.InputChannel.notifyChannelNonEmpty(InputChannel.java:154)
> 2020-09-23T21:50:39.2468212Z at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.notifyDataAvailable(LocalInputChannel.java:236)
> 2020-09-23T21:50:39.2469577Z at
> org.apache.flink.runtime.io.network.partition.ResultPartitionManager.createSubpartitionView(ResultPartitionManager.java:76)
> 2020-09-23T21:50:39.2470607Z at
> org.apache.flink.runtime.io.network.partition.consumer.LocalInputChannel.requestSubpartition(LocalInputChannel.java:133)
> 2020-09-23T21:50:39.2471765Z - locked <0x0000000086501948> (a
> java.lang.Object)
> 2020-09-23T21:50:39.2472685Z at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.updateInputChannel(SingleInputGate.java:489)
> 2020-09-23T21:50:39.2473727Z - locked <0x0000000086532500> (a
> java.lang.Object)
> 2020-09-23T21:50:39.2474449Z at
> org.apache.flink.runtime.io.network.NettyShuffleEnvironment.updatePartitionInfo(NettyShuffleEnvironment.java:279)
> 2020-09-23T21:50:39.2475394Z at
> org.apache.flink.runtime.taskexecutor.TaskExecutor.lambda$updatePartitions$12(TaskExecutor.java:758)
> 2020-09-23T21:50:39.2476235Z at
> org.apache.flink.runtime.taskexecutor.TaskExecutor$$Lambda$406/1860601696.run(Unknown
> Source)
> 2020-09-23T21:50:39.2476973Z at
> java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640)
> 2020-09-23T21:50:39.2477714Z at
> akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
> 2020-09-23T21:50:39.2478698Z at
> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44)
> 2020-09-23T21:50:39.2479506Z at
> akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> 2020-09-23T21:50:39.2480263Z at
> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> 2020-09-23T21:50:39.2481018Z at
> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 2020-09-23T21:50:39.2481727Z at
> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 2020-09-23T21:50:39.2482192Z
> 2020-09-23T21:50:39.2482634Z Found 1 deadlock.
> {code}
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