Dian Fu created FLINK-19426:
-------------------------------

             Summary: Streaming File Sink end-to-end test is instable
                 Key: FLINK-19426
                 URL: https://issues.apache.org/jira/browse/FLINK-19426
             Project: Flink
          Issue Type: Bug
            Reporter: Dian Fu


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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