[jira] [Commented] (BEAM-12677) Samza postcommits failing testFlattenWithDifferentInputAndOutputCoders2

["Kenneth Knowles (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-12677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17476386#comment-17476386 ] 

Kenneth Knowles commented on BEAM-12677:
----------------------------------------

Still failing? Label with {{sickbay}} or {{currently-failing}} or resolve it?

> Samza postcommits failing testFlattenWithDifferentInputAndOutputCoders2
> -----------------------------------------------------------------------
>
>                 Key: BEAM-12677
>                 URL: https://issues.apache.org/jira/browse/BEAM-12677
>             Project: Beam
>          Issue Type: Bug
>          Components: test-failures
>            Reporter: Ke Wu
>            Priority: P3
>
> Both beam_PostCommit_Java_PVR_Flink_Batch and beam_PostCommit_Java_PVR_Flink_Streaming are failing newly added test org.apache.beam.sdk.transforms.FlattenTest.testFlattenWithDifferentInputAndOutputCoders2.
> SEVERE: Error in task code:  CHAIN MapPartition (MapPartition at [6]{Values, FlatMapElements, PAssert$0}) -> FlatMap (FlatMap at ExtractOutput[0]) -> Map (Key Extractor) -> GroupCombine (GroupCombine at GroupCombine: PAssert$0/GroupGlobally/GatherAllOutputs/GroupByKey) -> Map (Key Extractor) (2/2) java.lang.ClassCastException: org.apache.beam.sdk.values.KV cannot be cast to [B
> 	at org.apache.beam.sdk.coders.ByteArrayCoder.encode(ByteArrayCoder.java:41)
> 	at org.apache.beam.sdk.coders.LengthPrefixCoder.encode(LengthPrefixCoder.java:56)
> 	at org.apache.beam.sdk.coders.Coder.encode(Coder.java:136)
> 	at org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.encode(WindowedValue.java:590)
> 	at org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.encode(WindowedValue.java:581)
> 	at org.apache.beam.sdk.util.WindowedValue$FullWindowedValueCoder.encode(WindowedValue.java:541)
> 	at org.apache.beam.sdk.fn.data.BeamFnDataSizeBasedBufferingOutboundObserver.accept(BeamFnDataSizeBasedBufferingOutboundObserver.java:109)
> 	at org.apache.beam.runners.fnexecution.control.SdkHarnessClient$CountingFnDataReceiver.accept(SdkHarnessClient.java:667)
> 	at org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.processElements(FlinkExecutableStageFunction.java:271)
> 	at org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.mapPartition(FlinkExecutableStageFunction.java:203)
> 	at org.apache.flink.runtime.operators.MapPartitionDriver.run(MapPartitionDriver.java:103)
> 	at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:504)
> 	at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:369)
> 	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:705)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:530)
> 	at java.lang.Thread.run(Thread.java:748)



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