[GitHub] [beam] damccorm opened a new issue, #21042: Samza postcommits failing testFlattenWithDifferentInputAndOutputCoders2

[GitBox <gi...@apache.org>]

damccorm opened a new issue, #21042:
URL: https://github.com/apache/beam/issues/21042

   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)
   
   
   Imported from Jira [BEAM-12677](https://issues.apache.org/jira/browse/BEAM-12677). Original Jira may contain additional context.
   Reported by: kw2542.


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: github-unsubscribe@beam.apache.org.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org