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ASF GitHub Bot logged work on BEAM-3897: ---------------------------------------- Author: ASF GitHub Bot Created on: 20/Mar/18 22:09 Start Date: 20/Mar/18 22:09 Worklog Time Spent: 10m Work Description: herohde opened a new pull request #4913: [BEAM-3897] Add Go wordcount example with multi output DoFns URL: https://github.com/apache/beam/pull/4913 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 82507) Time Spent: 10m Remaining Estimate: 0h > Flink runners fails on multioutput portable pipeline > ---------------------------------------------------- > > Key: BEAM-3897 > URL: https://issues.apache.org/jira/browse/BEAM-3897 > Project: Beam > Issue Type: Bug > Components: runner-flink > Reporter: Henning Rohde > Assignee: Ben Sidhom > Priority: Minor > Time Spent: 10m > Remaining Estimate: 0h > > When trying a Go pipeline with a 2-output DoFn on the hacking branch, I see: > [flink-runner-job-server] ERROR > org.apache.beam.runners.flink.FlinkJobInvocation - Error during job > invocation go-job-1521582585657843000_-2121541089_763230090. > java.lang.RuntimeException: Pipeline execution failed > at org.apache.beam.runners.flink.FlinkRunner.run(FlinkRunner.java:134) > at > org.apache.beam.runners.flink.FlinkJobInvocation.lambda$start$0(FlinkJobInvocation.java:61) > at > org.apache.beam.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:111) > at > org.apache.beam.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:58) > at > org.apache.beam.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:75) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed. > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:897) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:840) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:840) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > Caused by: java.lang.RuntimeException: > java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: > expected one element but was: <0, 1> > at > org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.lambda$mapPartition$0(FlinkExecutableStageFunction.java:176) > at java.util.HashMap$Values.forEach(HashMap.java:980) > at > org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.mapPartition(FlinkExecutableStageFunction.java:172) > at > org.apache.flink.runtime.operators.MapPartitionDriver.run(MapPartitionDriver.java:103) > at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:490) > at > org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:355) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.util.concurrent.ExecutionException: > java.lang.IllegalArgumentException: expected one element but was: <0, 1> > at > org.apache.beam.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:500) > at > org.apache.beam.util.concurrent.AbstractFuture.get(AbstractFuture.java:479) > at > org.apache.beam.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:76) > at > org.apache.beam.sdk.fn.data.SettableFutureInboundDataClient.awaitCompletion(SettableFutureInboundDataClient.java:41) > at > org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.awaitCompletion(BeamFnDataInboundObserver.java:89) > at > org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.lambda$mapPartition$0(FlinkExecutableStageFunction.java:174) > ... 7 more > Caused by: java.lang.IllegalArgumentException: expected one element but was: > <0, 1> > at org.apache.beam.collect.Iterators.getOnlyElement(Iterators.java:322) > at org.apache.beam.collect.Iterables.getOnlyElement(Iterables.java:294) > at > org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction$1$1.accept(FlinkExecutableStageFunction.java:149) > at > org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction$1$1.accept(FlinkExecutableStageFunction.java:135) > at > org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.accept(BeamFnDataInboundObserver.java:80) > at > org.apache.beam.sdk.fn.data.BeamFnDataInboundObserver.accept(BeamFnDataInboundObserver.java:32) > at > org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer$InboundObserver.onNext(BeamFnDataGrpcMultiplexer.java:135) > at > org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer$InboundObserver.onNext(BeamFnDataGrpcMultiplexer.java:123) > at io.grpc.stub.ServerCalls$2$1.onMessage(ServerCalls.java:204) > at > io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.messageRead(ServerCallImpl.java:242) > at > io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1.runInContext(ServerImpl.java:568) > at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:52) > at > io.grpc.internal.SerializingExecutor$TaskRunner.run(SerializingExecutor.java:152) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at java.util.co -- This message was sent by Atlassian JIRA (v7.6.3#76005)