[ 
https://issues.apache.org/jira/browse/FLINK-17750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17115877#comment-17115877
 ] 

Yang Wang commented on FLINK-17750:
-----------------------------------

The test failed with timed out in {{DispatcherGateway.requestJob}}. If we 
increase the timeout, even there is something wrong with the zookeeper and the 
job restarts, it should finally turn into running. And then the Flink client 
could get the job result correctly.

You could find the job has been restarted and finally turning into running in 
the log[1].

 

I admin that increasing the timeout of zookeeper should be done first and i 
also suggest to increase the akka ask timeout. It could help to reduce the 
failure further.

 

[1]. [^jobmanager.log]

> YARNHighAvailabilityITCase.testKillYarnSessionClusterEntrypoint failed on 
> azure
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-17750
>                 URL: https://issues.apache.org/jira/browse/FLINK-17750
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.11.0
>            Reporter: Roman Khachatryan
>            Assignee: Till Rohrmann
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.11.0
>
>
> [https://dev.azure.com/khachatryanroman/810e80cc-0656-4d3c-9d8c-186764456a01/_apis/build/builds/6/logs/156]
>  
> {code:java}
>  2020-05-15T23:42:29.5307581Z [ERROR] 
> testKillYarnSessionClusterEntrypoint(org.apache.flink.yarn.YARNHighAvailabilityITCase)
>   Time elapsed: 21.68 s  <<< ERROR!
>  2020-05-15T23:42:29.5308406Z java.util.concurrent.ExecutionException:
>  2020-05-15T23:42:29.5308864Z 
> org.apache.flink.runtime.rest.util.RestClientException: [Internal server 
> error., <Exception on server side:
>  2020-05-15T23:42:29.5309678Z java.util.concurrent.TimeoutException: 
> Invocation of public abstract java.util.concurrent.CompletableFuture 
> org.apache.flink.runt 
> ime.dispatcher.DispatcherGateway.requestJob(org.apache.flink.api.common.JobID,org.apache.flink.api.common.time.Time)
>  timed out.
>  2020-05-15T23:42:29.5310322Z    at com.sun.proxy.$Proxy33.requestJob(Unknown 
> Source)
>  2020-05-15T23:42:29.5311018Z    at 
> org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraphInternal(DefaultExecutionGraphCach
>  e.java:103)
>  2020-05-15T23:42:29.5311704Z    at 
> org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraph(DefaultExecutionGraphCache.java:7
>  1)
>  2020-05-15T23:42:29.5312355Z    at 
> org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler.handleRequest(AbstractExecutionGraphHandler.java:75
>  )
>  2020-05-15T23:42:29.5312924Z    at 
> org.apache.flink.runtime.rest.handler.AbstractRestHandler.respondToRequest(AbstractRestHandler.java:73)
>  2020-05-15T23:42:29.5313423Z    at 
> org.apache.flink.runtime.rest.handler.AbstractHandler.respondAsLeader(AbstractHandler.java:172)
>  2020-05-15T23:42:29.5314497Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.lambda$channelRead0$0(LeaderRetrievalHandler.java:81)
>  2020-05-15T23:42:29.5315083Z    at 
> java.util.Optional.ifPresent(Optional.java:159)
>  2020-05-15T23:42:29.5315474Z    at 
> org.apache.flink.util.OptionalConsumer.ifPresent(OptionalConsumer.java:46)
>  2020-05-15T23:42:29.5315979Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:78)
>  2020-05-15T23:42:29.5316520Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:49)
>  2020-05-15T23:42:29.5317092Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5317705Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5318586Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5319249Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5319729Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.routed(RouterHandler.java:110)
>  2020-05-15T23:42:29.5320136Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:89)
>  2020-05-15T23:42:29.5320742Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:54)
>  2020-05-15T23:42:29.5321195Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5321730Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5322263Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5322806Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5323335Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
>  2020-05-15T23:42:29.5323849Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5324390Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5324910Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5325920Z    at 
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:174)
>  2020-05-15T23:42:29.5326353Z    at 
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:68)
>  2020-05-15T23:42:29.5326867Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5327532Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5328140Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5328748Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5329391Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRea
>  d(CombinedChannelDuplexHandler.java:438)
>  2020-05-15T23:42:29.5330028Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:328)
>  2020-05-15T23:42:29.5330593Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:302)
>  2020-05-15T23:42:29.5331149Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:
>  253)
>  2020-05-15T23:42:29.5331750Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5332346Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5332956Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5333552Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:
>  1421)
>  2020-05-15T23:42:29.5334135Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5334748Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5335383Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:930)
>  2020-05-15T23:42:29.5335952Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:1
>  63)
>  2020-05-15T23:42:29.5336485Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:697)
>  2020-05-15T23:42:29.5337019Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:632)
>  2020-05-15T23:42:29.5337552Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:549)
>  2020-05-15T23:42:29.5338023Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:511)
>  2020-05-15T23:42:29.5338689Z    at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:918)
>  2020-05-15T23:42:29.5339358Z    at 
> org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>  2020-05-15T23:42:29.5339869Z    at java.lang.Thread.run(Thread.java:748)
>  2020-05-15T23:42:29.5341122Z Caused by: akka.pattern.AskTimeoutException: 
> Recipient [Actor[akka://flink/user/rpc/dispatcher_1#-1875884516]] had already 
> been t erminated. Message of type 
> [org.apache.flink.runtime.rpc.messages.LocalFencedMessage].
>  2020-05-15T23:42:29.5341660Z    at 
> akka.pattern.AskableActorRef$.recipientTerminatedException(AskSupport.scala:288)
>  2020-05-15T23:42:29.5342018Z    at 
> akka.pattern.AskableActorRef$.internalAsk$extension(AskSupport.scala:330)
>  2020-05-15T23:42:29.5342321Z    at 
> akka.pattern.AskSupport$class.ask(AskSupport.scala:81)
>  2020-05-15T23:42:29.5342592Z    at 
> akka.pattern.package$.ask(package.scala:42)
>  2020-05-15T23:42:29.5342833Z    at 
> akka.pattern.Patterns$.ask(Patterns.scala:160)
>  2020-05-15T23:42:29.5343180Z    at akka.pattern.Patterns.ask(Patterns.scala)
>  2020-05-15T23:42:29.5343485Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.ask(AkkaInvocationHandler.java:361)
>  2020-05-15T23:42:29.5343911Z    at 
> org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.ask(FencedAkkaInvocationHandler.java:123)
>  2020-05-15T23:42:29.5344323Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invokeRpc(AkkaInvocationHandler.java:222)
>  2020-05-15T23:42:29.5344737Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invoke(AkkaInvocationHandler.java:134)
>  2020-05-15T23:42:29.5345147Z    at 
> org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.invoke(FencedAkkaInvocationHandler.java:79)
>  2020-05-15T23:42:29.5345443Z    ... 51 more
>  2020-05-15T23:42:29.5345533Z
>  2020-05-15T23:42:29.5345682Z End of exception on server side>]
>  2020-05-15T23:42:29.5345940Z    at 
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
>  2020-05-15T23:42:29.5346289Z    at 
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908)
>  2020-05-15T23:42:29.5346680Z    at 
> org.apache.flink.yarn.YARNHighAvailabilityITCase.lambda$waitUntilJobIsRunning$4(YARNHighAvailabilityITCase.java:312)
>  2020-05-15T23:42:29.5347126Z    at 
> org.apache.flink.runtime.testutils.CommonTestUtils.waitUntilCondition(CommonTestUtils.java:123)
>  2020-05-15T23:42:29.5347520Z    at 
> org.apache.flink.runtime.testutils.CommonTestUtils.waitUntilCondition(CommonTestUtils.java:119)
>  2020-05-15T23:42:29.5347950Z    at 
> org.apache.flink.yarn.YARNHighAvailabilityITCase.waitUntilJobIsRunning(YARNHighAvailabilityITCase.java:310)
>  2020-05-15T23:42:29.5348430Z    at 
> org.apache.flink.yarn.YARNHighAvailabilityITCase.lambda$testKillYarnSessionClusterEntrypoint$0(YARNHighAvailabilityITCase.j*ava:168)
>  2020-05-15T23:42:29.5348835Z    at 
> org.apache.flink.yarn.YarnTestBase.runTest(YarnTestBase.java:258)
>  2020-05-15T23:42:29.5349420Z    at 
> org.apache.flink.yarn.YARNHighAvailabilityITCase.testKillYarnSessionClusterEntrypoint(YARNHighAvailabilityITCase.java:156)
>  2020-05-15T23:42:29.5349984Z    at 
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  2020-05-15T23:42:29.5350385Z    at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  2020-05-15T23:42:29.5350772Z    at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  2020-05-15T23:42:29.5351125Z    at 
> java.lang.reflect.Method.invoke(Method.java:498)
>  2020-05-15T23:42:29.5351459Z    at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>  2020-05-15T23:42:29.5351868Z    at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>  2020-05-15T23:42:29.5352274Z    at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>  2020-05-15T23:42:29.5352661Z    at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>  2020-05-15T23:42:29.5353219Z    at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>  2020-05-15T23:42:29.5353559Z    at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>  2020-05-15T23:42:29.5353886Z    at 
> org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>  2020-05-15T23:42:29.5354163Z    at 
> org.junit.rules.RunRules.evaluate(RunRules.java:20)
>  2020-05-15T23:42:29.5354454Z    at 
> org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>  2020-05-15T23:42:29.5354776Z    at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>  2020-05-15T23:42:29.5355144Z    at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>  2020-05-15T23:42:29.5355459Z    at 
> org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>  2020-05-15T23:42:29.5355764Z    at 
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>  2020-05-15T23:42:29.5356062Z    at 
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>  2020-05-15T23:42:29.5356382Z    at 
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>  2020-05-15T23:42:29.5356681Z    at 
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>  2020-05-15T23:42:29.5357068Z    at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>  2020-05-15T23:42:29.5357432Z    at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>  2020-05-15T23:42:29.5357757Z    at 
> org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  2020-05-15T23:42:29.5358088Z    at 
> org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  2020-05-15T23:42:29.5358402Z    at 
> org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
>  2020-05-15T23:42:29.5358705Z    at 
> org.junit.rules.RunRules.evaluate(RunRules.java:20)
>  2020-05-15T23:42:29.5358976Z    at 
> org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>  2020-05-15T23:42:29.5359307Z    at 
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
>  2020-05-15T23:42:29.5359674Z    at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
>  2020-05-15T23:42:29.5360252Z    at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
>  2020-05-15T23:42:29.5360862Z    at 
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
>  2020-05-15T23:42:29.5361296Z    at 
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
>  2020-05-15T23:42:29.5361723Z    at 
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
>  2020-05-15T23:42:29.5362125Z    at 
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
>  2020-05-15T23:42:29.5362503Z    at 
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
>  2020-05-15T23:42:29.5362969Z    Suppressed: java.lang.AssertionError: There 
> is at least one application on the cluster that is not finished.[App 
> application_1 589586092047_0002 is in state RUNNING.]
>  2020-05-15T23:42:29.5363571Z            at 
> org.junit.Assert.fail(Assert.java:88)
>  2020-05-15T23:42:29.5364060Z            at 
> org.apache.flink.yarn.YarnTestBase$CleanupYarnApplication.close(YarnTestBase.java:286)
>  2020-05-15T23:42:29.5364448Z            at 
> org.apache.flink.yarn.YarnTestBase.runTest(YarnTestBase.java:259)
>  2020-05-15T23:42:29.5364745Z            ... 36 more
>  2020-05-15T23:42:29.5365232Z Caused by: 
> org.apache.flink.runtime.rest.util.RestClientException: [Internal server 
> error., <Exception on server side:
>  2020-05-15T23:42:29.5365862Z java.util.concurrent.TimeoutException: 
> Invocation of public abstract java.util.concurrent.CompletableFuture 
> org.apache.flink.runt 
> ime.dispatcher.DispatcherGateway.requestJob(org.apache.flink.api.common.JobID,org.apache.flink.api.common.time.Time)
>  timed out.
>  2020-05-15T23:42:29.5366535Z    at com.sun.proxy.$Proxy33.requestJob(Unknown 
> Source)
>  2020-05-15T23:42:29.5366919Z    at 
> org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraphInternal(DefaultExecutionGraphCach
>  e.java:103)
>  2020-05-15T23:42:29.5367421Z    at 
> org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraph(DefaultExecutionGraphCache.java:7
>  1)
>  2020-05-15T23:42:29.5367925Z    at 
> org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler.handleRequest(AbstractExecutionGraphHandler.java:75
>  )
>  2020-05-15T23:42:29.5368376Z    at 
> org.apache.flink.runtime.rest.handler.AbstractRestHandler.respondToRequest(AbstractRestHandler.java:73)
>  2020-05-15T23:42:29.5368902Z    at 
> org.apache.flink.runtime.rest.handler.AbstractHandler.respondAsLeader(AbstractHandler.java:172)
>  2020-05-15T23:42:29.5369342Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.lambda$channelRead0$0(LeaderRetrievalHandler.java:81)
>  2020-05-15T23:42:29.5369695Z    at 
> java.util.Optional.ifPresent(Optional.java:159)
>  2020-05-15T23:42:29.5370003Z    at 
> org.apache.flink.util.OptionalConsumer.ifPresent(OptionalConsumer.java:46)
>  2020-05-15T23:42:29.5370430Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:78)
>  2020-05-15T23:42:29.5370872Z    at 
> org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:49)
>  2020-05-15T23:42:29.5371391Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5371922Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5372438Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
>  2020-05-15T23:42:29.5372963Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5373420Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.routed(RouterHandler.java:110)
>  2020-05-15T23:42:29.5373804Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:89)
>  2020-05-15T23:42:29.5374211Z    at 
> org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:54)
>  2020-05-15T23:42:29.5374655Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5375352Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5376349Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5376957Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5377544Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
>  2020-05-15T23:42:29.5378119Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5378804Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5379469Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5379997Z    at 
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:174)
>  2020-05-15T23:42:29.5381976Z    at 
> org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:68)
>  2020-05-15T23:42:29.5382435Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10
>  5)
>  2020-05-15T23:42:29.5382951Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5383467Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5384003Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5384561Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRea
>  d(CombinedChannelDuplexHandler.java:438)
>  2020-05-15T23:42:29.5385116Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:328)
>  2020-05-15T23:42:29.5385601Z    at 
> org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:302)
>  2020-05-15T23:42:29.5386075Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:
>  253)
>  2020-05-15T23:42:29.5386588Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5387217Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5387765Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext
>  .java:352)
>  2020-05-15T23:42:29.5388263Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:
>  1421)
>  2020-05-15T23:42:29.5388785Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:374)
>  2020-05-15T23:42:29.5389313Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerConte
>  xt.java:360)
>  2020-05-15T23:42:29.5389799Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:930)
>  2020-05-15T23:42:29.5390295Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:1
>  63)
>  2020-05-15T23:42:29.5390755Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:697)
>  2020-05-15T23:42:29.5391213Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:632)
>  2020-05-15T23:42:29.5391659Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:549)
>  2020-05-15T23:42:29.5392081Z    at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:511)
>  2020-05-15T23:42:29.5392527Z    at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:918)
>  2020-05-15T23:42:29.5392978Z    at 
> org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>  2020-05-15T23:42:29.5393314Z    at java.lang.Thread.run(Thread.java:748)
>  2020-05-15T23:42:29.5394130Z Caused by: akka.pattern.AskTimeoutException: 
> Recipient [Actor[akka://flink/user/rpc/dispatcher_1#-1875884516]] had already 
> been t erminated. Message of type 
> [org.apache.flink.runtime.rpc.messages.LocalFencedMessage].
>  2020-05-15T23:42:29.5394945Z    at 
> akka.pattern.AskableActorRef$.recipientTerminatedException(AskSupport.scala:288)
>  2020-05-15T23:42:29.5395309Z    at 
> akka.pattern.AskableActorRef$.internalAsk$extension(AskSupport.scala:330)
>  2020-05-15T23:42:29.5395831Z    at 
> akka.pattern.AskSupport$class.ask(AskSupport.scala:81)
>  2020-05-15T23:42:29.5396125Z    at 
> akka.pattern.package$.ask(package.scala:42)
>  2020-05-15T23:42:29.5396388Z    at 
> akka.pattern.Patterns$.ask(Patterns.scala:160)
>  2020-05-15T23:42:29.5396994Z    at akka.pattern.Patterns.ask(Patterns.scala)
>  2020-05-15T23:42:29.5397333Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.ask(AkkaInvocationHandler.java:361)
>  2020-05-15T23:42:29.5397823Z    at 
> org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.ask(FencedAkkaInvocationHandler.java:123)
>  2020-05-15T23:42:29.5398457Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invokeRpc(AkkaInvocationHandler.java:222)
>  2020-05-15T23:42:29.5398923Z    at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invoke(AkkaInvocationHandler.java:134)
>  2020-05-15T23:42:29.5399383Z    at 
> org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.invoke(FencedAkkaInvocationHandler.java:79)
>  2020-05-15T23:42:29.5399708Z    ... 51 more
>  2020-05-15T23:42:29.5399974Z
>  2020-05-15T23:42:29.5400132Z End of exception on server side>]
>  2020-05-15T23:42:29.5400567Z    at 
> org.apache.flink.runtime.rest.RestClient.parseResponse(RestClient.java:390)
>  2020-05-15T23:42:29.5400930Z    at 
> org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$3(RestClient.java:374)
>  2020-05-15T23:42:29.5401283Z    at 
> java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966)
>  2020-05-15T23:42:29.5401652Z    at 
> java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940)
>  2020-05-15T23:42:29.5402067Z    at 
> java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456)
>  2020-05-15T23:42:29.5402452Z    at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  2020-05-15T23:42:29.5402800Z    at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  2020-05-15T23:42:29.5403098Z    at java.lang.Thread.run(Thread.java:748)
> {code}
>  



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