[ 
https://issues.apache.org/jira/browse/FLINK-19426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205370#comment-17205370
 ] 

Andrey Zagrebin commented on FLINK-19426:
-----------------------------------------

The error has been reproduced in the CI run 
[without|https://dev.azure.com/rmetzger/Flink/_build/results?buildId=8428&view=results]
 FLINK-19388 fix and the CI run [with the 
fix|https://dev.azure.com/rmetzger/Flink/_build/results?buildId=8429&view=results]
 failed with maximum allowed run time exceeded w/o the reported failure.

Hence, I think this issue is a duplicate of FLINK-19388.

> Streaming File Sink end-to-end test sometimes fails with "Could not assign 
> resource ... to current execution ..."
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-19426
>                 URL: https://issues.apache.org/jira/browse/FLINK-19426
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Network, Tests
>    Affects Versions: 1.12.0
>            Reporter: Dian Fu
>            Assignee: Robert Metzger
>            Priority: Major
>              Labels: pull-request-available, test-stability
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=6983&view=logs&j=68a897ab-3047-5660-245a-cce8f83859f6&t=16ca2cca-2f63-5cce-12d2-d519b930a729
> {code}
> 2020-09-26T22:16:26.9856525Z 
> org.apache.flink.runtime.io.network.partition.consumer.PartitionConnectionException:
>  Connection for partition 
> 619775973ed0f282e20f9d55d13913ab#0@bc764cd8ddf7a0cff126f51c16239658_0_1 not 
> reachable.
> 2020-09-26T22:16:26.9857848Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:159)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9859168Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:336)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9860449Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:308)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9861677Z  at 
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:95)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9862861Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.requestPartitions(StreamTask.java:542)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9864018Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.readRecoveredChannelState(StreamTask.java:507)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9865284Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:498)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9866415Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9867500Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:492)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9868514Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:550)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9869450Z  at 
> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) 
> [flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9870339Z  at 
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) 
> [flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9870869Z  at java.lang.Thread.run(Thread.java:748) 
> [?:1.8.0_265]
> 2020-09-26T22:16:26.9872060Z Caused by: java.io.IOException: 
> java.util.concurrent.ExecutionException: 
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: 
> Connecting to remote task manager '/10.1.0.4:38905' has failed. This might 
> indicate that the remote task manager has been lost.
> 2020-09-26T22:16:26.9873511Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:85)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9874788Z  at 
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9876084Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:156)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9876567Z  ... 12 more
> 2020-09-26T22:16:26.9877477Z Caused by: 
> java.util.concurrent.ExecutionException: 
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: 
> Connecting to remote task manager '/10.1.0.4:38905' has failed. This might 
> indicate that the remote task manager has been lost.
> 2020-09-26T22:16:26.9878503Z  at 
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) 
> ~[?:1.8.0_265]
> 2020-09-26T22:16:26.9879061Z  at 
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) 
> ~[?:1.8.0_265]
> 2020-09-26T22:16:26.9880244Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:83)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9884461Z  at 
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9885737Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:156)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9886304Z  ... 12 more
> 2020-09-26T22:16:26.9887211Z Caused by: 
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: 
> Connecting to remote task manager '/10.1.0.4:38905' has failed. This might 
> indicate that the remote task manager has been lost.
> 2020-09-26T22:16:26.9888456Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connect(PartitionRequestClientFactory.java:122)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9889704Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connectWithRetries(PartitionRequestClientFactory.java:101)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9891028Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.lambda$createPartitionRequestClient$1(PartitionRequestClientFactory.java:78)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9892193Z  at 
> org.apache.flink.runtime.concurrent.FutureUtils.completeFromCallable(FutureUtils.java:87)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9893396Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:78)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9894646Z  at 
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9895718Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:156)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9896201Z  ... 12 more
> 2020-09-26T22:16:26.9896424Z Caused by: java.lang.NullPointerException
> 2020-09-26T22:16:26.9897066Z  at 
> org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:58) 
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9898008Z  at 
> org.apache.flink.runtime.io.network.netty.NettyPartitionRequestClient.<init>(NettyPartitionRequestClient.java:73)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9899040Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connect(PartitionRequestClientFactory.java:116)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9900118Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connectWithRetries(PartitionRequestClientFactory.java:101)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9901443Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.lambda$createPartitionRequestClient$1(PartitionRequestClientFactory.java:78)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9902613Z  at 
> org.apache.flink.runtime.concurrent.FutureUtils.completeFromCallable(FutureUtils.java:87)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9904043Z  at 
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:78)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9905404Z  at 
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9906893Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:156)
>  ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> 2020-09-26T22:16:26.9907510Z  ... 12 more
> {code}



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