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https://issues.apache.org/jira/browse/BEAM-7864?focusedWorklogId=299846&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-299846
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ASF GitHub Bot logged work on BEAM-7864:
----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Aug/19 01:30
Start Date: 23/Aug/19 01:30
Worklog Time Spent: 10m
Work Description: ibzib commented on pull request #9410: [BEAM-7864] fix
Spark reshuffle translation with Python SDK
URL: https://github.com/apache/beam/pull/9410
The previous implementation of reshuffle on the portable Spark runner made
assumptions its inputs that proved false when running some Python pipelines.
This new translation is made more general to fix that.
Post-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
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| --- | --- | [](https://builds.apache.org/job/beam_PostCommit_Go_VR_Spark/lastCompletedBuild/)
Java | [](https://builds.apache.org/job/beam_PostCommit_Java/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Dataflow/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Streaming/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Gearpump/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Samza/lastCompletedBuild/)
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Python | [](https://builds.apache.org/job/beam_PostCommit_Python2/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python35/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python36/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Python37/lastCompletedBuild/)
| --- | [](https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/lastCompletedBuild/)<br>[](https://builds.apache.org/job/beam_PostCommit_Py_ValCont/lastCompletedBuild/)
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XLang | --- | --- | --- | [](https://builds.apache.org/job/beam_PostCommit_XVR_Flink/lastCompletedBuild/)
| --- | --- | ---
Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
--- |Java | Python | Go | Website
--- | --- | --- | --- | ---
Non-portable | [](https://builds.apache.org/job/beam_PreCommit_Java_Cron/lastCompletedBuild/)
| [](https://builds.apache.org/job/beam_PreCommit_Python_Cron/lastCompletedBuild/)
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Portable | --- | [](https://builds.apache.org/job/beam_PreCommit_Portable_Python_Cron/lastCompletedBuild/)
| --- | ---
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Issue Time Tracking
-------------------
Worklog Id: (was: 299846)
Remaining Estimate: 0h
Time Spent: 10m
> Portable spark Reshuffle coder cast exception
> ---------------------------------------------
>
> Key: BEAM-7864
> URL: https://issues.apache.org/jira/browse/BEAM-7864
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: Major
> Labels: portability-spark
> Time Spent: 10m
> Remaining Estimate: 0h
>
> running :sdks:python:test-suites:portable:py35:portableWordCountBatch in
> either loopback or docker mode on master fails with exception:
>
> java.lang.ClassCastException: org.apache.beam.sdk.coders.LengthPrefixCoder
> cannot be cast to org.apache.beam.sdk.coders.KvCoder
> at
> org.apache.beam.runners.spark.translation.SparkBatchPortablePipelineTranslator.translateReshuffle(SparkBatchPortablePipelineTranslator.java:400)
> at
> org.apache.beam.runners.spark.translation.SparkBatchPortablePipelineTranslator.translate(SparkBatchPortablePipelineTranslator.java:147)
> at
> org.apache.beam.runners.spark.SparkPipelineRunner.lambda$run$1(SparkPipelineRunner.java:96)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 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)
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