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https://issues.apache.org/jira/browse/BEAM-1053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15961931#comment-15961931
]
ASF GitHub Bot commented on BEAM-1053:
--------------------------------------
GitHub user tweise opened a pull request:
https://github.com/apache/beam/pull/2473
[BEAM-1053] ApexGroupByKeyOperator serialization issues
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---
R: @jkff
Probably this code will go away after the SDF work but this bug is trivial
to fix and has been there for a while, so let's close it out separately. For
stateInternals it was already addressed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tweise/beam
BEAM-1053_ApexGroupByKeySerialization
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2473.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2473
----
commit adf378568e7c676c3b2780c07caae679ea461f01
Author: Thomas Weise <t...@apache.org>
Date: 2017-04-08T20:01:01Z
BEAM-1053 ApexGroupByKeyOperator serialization issues
----
> ApexGroupByKeyOperator serialization issues
> -------------------------------------------
>
> Key: BEAM-1053
> URL: https://issues.apache.org/jira/browse/BEAM-1053
> Project: Beam
> Issue Type: Bug
> Components: runner-apex
> Affects Versions: 0.3.0-incubating
> Reporter: Sandeep Deshmukh
> Assignee: Thomas Weise
>
> While trying to use Apex Runner for wordcount program, the
> ApexGroupByKeyOperator fails with following exception.
> 2016-11-28 20:54:47,696 INFO com.datatorrent.stram.engine.StreamingContainer:
> Deploy request:
> [OperatorDeployInfo[id=9,name=ExtractPayload,type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream14,sourceNodeId=8,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream0,bufferServer=<null>]]],
>
> OperatorDeployInfo[id=8,name=ReadFromHDFS,type=INPUT,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream14,bufferServer=<null>]]],
>
> OperatorDeployInfo[id=11,name=Application.CountWords/Count.PerElement/Init/Map,type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream17,sourceNodeId=10,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream18,bufferServer=<null>]]],
>
> OperatorDeployInfo[id=10,name=Application.CountWords/ParDo(ExtractWords),type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream0,sourceNodeId=9,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream17,bufferServer=<null>]]],
>
> OperatorDeployInfo[id=13,name=Application.CountWords/Count.PerElement/Count.PerKey/Combine.GroupedValues/AnonymousParDo,type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream12,sourceNodeId=12,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream3,bufferServer=<null>]]],
>
> OperatorDeployInfo[id=14,name=WriteToHDFS/Window.Into()/ApexRunner.AssignWindowsAndSetStrategy/AssignWindows/AssignWindows,type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream3,sourceNodeId=13,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream10,bufferServer=goofy]]],
>
> OperatorDeployInfo[id=12,name=Application.CountWords/Count.PerElement/Count.PerKey/GroupByKey,type=GENERIC,checkpoint={583c4b11000000b3,
> 0,
> 0},inputs=[OperatorDeployInfo.InputDeployInfo[portName=input,streamId=stream18,sourceNodeId=11,sourcePortName=output,locality=CONTAINER_LOCAL,partitionMask=0,partitionKeys=<null>]],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream12,bufferServer=<null>]]]]
> 2016-11-28 20:54:48,922 ERROR
> com.datatorrent.stram.engine.StreamingContainer: deploy request failed
> com.esotericsoftware.kryo.KryoException: Class cannot be created (missing
> no-arg constructor): java.nio.HeapByteBuffer
> Serialization trace:
> activeTimers
> (org.apache.beam.runners.apex.translation.operators.ApexGroupByKeyOperator)
> at
> com.esotericsoftware.kryo.Kryo$DefaultInstantiatorStrategy.newInstantiatorOf(Kryo.java:1228)
> at com.esotericsoftware.kryo.Kryo.newInstantiator(Kryo.java:1049)
> at com.esotericsoftware.kryo.Kryo.newInstance(Kryo.java:1058)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.create(FieldSerializer.java:547)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:523)
> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:761)
> at
> com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:135)
> at
> com.esotericsoftware.kryo.serializers.MapSerializer.read(MapSerializer.java:21)
> at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:679)
> at
> com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:106)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:528)
> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:761)
> at
> com.datatorrent.common.util.FSStorageAgent.retrieve(FSStorageAgent.java:192)
> at
> com.datatorrent.common.util.FSStorageAgent.load(FSStorageAgent.java:137)
> at
> com.datatorrent.stram.engine.StreamingContainer.deployNodes(StreamingContainer.java:915)
> at
> com.datatorrent.stram.engine.StreamingContainer.deploy(StreamingContainer.java:863)
> at
> com.datatorrent.stram.engine.StreamingContainer.processHeartbeatResponse(StreamingContainer.java:821)
> at
> com.datatorrent.stram.engine.StreamingContainer.heartbeatLoop(StreamingContainer.java:706)
> at
> com.datatorrent.stram.engine.StreamingContainer.main(StreamingContainer.java:311)
> 2016-11-28 20:54:48,932 ERROR
> com.datatorrent.stram.engine.StreamingContainer: Fatal exception in container!
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