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Posted to issues@flink.apache.org by "Zhilong Hong (Jira)" <ji...@apache.org> on 2020/12/09 11:19:00 UTC
[jira] [Updated] (FLINK-20547) Batch job fails due to the exception
in network stack
[ https://issues.apache.org/jira/browse/FLINK-20547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhilong Hong updated FLINK-20547:
---------------------------------
Description:
I run a simple batch job with only two job vertices: a source and a sink.
The parallelisms of them are both 8000. They are connected via all-to-all blocking edges.
During the running of sink tasks, an exception raises:
{code:java}
2020-12-09 18:43:48,981 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Sink: Sink 1 (1595/8000) (08bd4214d6e0dc144e9654f1faaa3b28) switched from RUNNING to FAILED on [masked container name] @ [masked address] (dataPort=47872).
java.io.IOException: java.lang.IllegalStateException: Inconsistent availability: expected true
at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.checkError(InputChannel.java:232) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.getNextBuffer(RecoveredInputChannel.java:165) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.waitAndGetNextData(SingleInputGate.java:626) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:603) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.pollNext(SingleInputGate.java:591) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.pollNext(InputGateWithMetrics.java:109) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:142) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:157) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:67) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:372) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:575) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:539) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at java.lang.Thread.run(Thread.java:834) ~[?:1.8.0_102]
Caused by: java.lang.IllegalStateException: Inconsistent availability: expected true
at org.apache.flink.util.Preconditions.checkState(Preconditions.java:198) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.checkConsistentAvailability(LocalBufferPool.java:434) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.setNumBuffers(LocalBufferPool.java:564) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.redistributeBuffers(NetworkBufferPool.java:509) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.tryRedistributeBuffers(NetworkBufferPool.java:438) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:166) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:60) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.BufferManager.requestExclusiveBuffers(BufferManager.java:131) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.setup(RemoteInputChannel.java:148) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RemoteRecoveredInputChannel.toInputChannelInternal(RemoteRecoveredInputChannel.java:76) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.toInputChannel(RecoveredInputChannel.java:91) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.convertRecoveredInputChannels(SingleInputGate.java:299) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:285) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:94) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:283) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:184) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
... 5 more
{code}
It seems to be an exception in network stack.
The full log of the job is attached below.
was:
I run a simple batch job with only two job vertices: a source and a sink. The parallelisms of them are both 8000. They are connected via all-to-all blocking edges. During the running of sink tasks, an exception raises:
{code:java}
2020-12-09 18:43:48,981 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Sink: Sink 1 (1595/8000) (08bd4214d6e0dc144e9654f1faaa3b28) switched from RUNNING to FAILED on [masked container name] @ [masked address] (dataPort=47872).
java.io.IOException: java.lang.IllegalStateException: Inconsistent availability: expected true
at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.checkError(InputChannel.java:232) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.getNextBuffer(RecoveredInputChannel.java:165) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.waitAndGetNextData(SingleInputGate.java:626) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:603) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.pollNext(SingleInputGate.java:591) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.pollNext(InputGateWithMetrics.java:109) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:142) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:157) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:67) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:372) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:575) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:539) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at java.lang.Thread.run(Thread.java:834) ~[?:1.8.0_102]
Caused by: java.lang.IllegalStateException: Inconsistent availability: expected true
at org.apache.flink.util.Preconditions.checkState(Preconditions.java:198) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.checkConsistentAvailability(LocalBufferPool.java:434) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.setNumBuffers(LocalBufferPool.java:564) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.redistributeBuffers(NetworkBufferPool.java:509) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.tryRedistributeBuffers(NetworkBufferPool.java:438) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:166) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:60) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.BufferManager.requestExclusiveBuffers(BufferManager.java:131) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.setup(RemoteInputChannel.java:148) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RemoteRecoveredInputChannel.toInputChannelInternal(RemoteRecoveredInputChannel.java:76) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.toInputChannel(RecoveredInputChannel.java:91) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.convertRecoveredInputChannels(SingleInputGate.java:299) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:285) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:94) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:283) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:184) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
... 5 more
{code}
It seems to be an exception in network stack. The full log of the job is attached below.
> Batch job fails due to the exception in network stack
> -----------------------------------------------------
>
> Key: FLINK-20547
> URL: https://issues.apache.org/jira/browse/FLINK-20547
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.13.0
> Reporter: Zhilong Hong
> Priority: Major
> Attachments: inconsistent.tar.gz
>
>
> I run a simple batch job with only two job vertices: a source and a sink.
> The parallelisms of them are both 8000. They are connected via all-to-all blocking edges.
> During the running of sink tasks, an exception raises:
> {code:java}
> 2020-12-09 18:43:48,981 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph [] - Sink: Sink 1 (1595/8000) (08bd4214d6e0dc144e9654f1faaa3b28) switched from RUNNING to FAILED on [masked container name] @ [masked address] (dataPort=47872).
> java.io.IOException: java.lang.IllegalStateException: Inconsistent availability: expected true
> at org.apache.flink.runtime.io.network.partition.consumer.InputChannel.checkError(InputChannel.java:232) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.getNextBuffer(RecoveredInputChannel.java:165) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.waitAndGetNextData(SingleInputGate.java:626) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:603) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.pollNext(SingleInputGate.java:591) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.pollNext(InputGateWithMetrics.java:109) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:142) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:157) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:67) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:372) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:575) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:539) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at java.lang.Thread.run(Thread.java:834) ~[?:1.8.0_102]
> Caused by: java.lang.IllegalStateException: Inconsistent availability: expected true
> at org.apache.flink.util.Preconditions.checkState(Preconditions.java:198) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.checkConsistentAvailability(LocalBufferPool.java:434) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.setNumBuffers(LocalBufferPool.java:564) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.redistributeBuffers(NetworkBufferPool.java:509) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.tryRedistributeBuffers(NetworkBufferPool.java:438) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:166) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.buffer.NetworkBufferPool.requestMemorySegments(NetworkBufferPool.java:60) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.BufferManager.requestExclusiveBuffers(BufferManager.java:131) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.setup(RemoteInputChannel.java:148) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.RemoteRecoveredInputChannel.toInputChannelInternal(RemoteRecoveredInputChannel.java:76) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.RecoveredInputChannel.toInputChannel(RecoveredInputChannel.java:91) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.convertRecoveredInputChannels(SingleInputGate.java:299) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:285) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:94) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:283) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:184) ~[flink-dist_2.11-1.13-SNAPSHOT.jar:1.13-SNAPSHOT]
> ... 5 more
> {code}
> It seems to be an exception in network stack.
> The full log of the job is attached below.
>
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