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https://issues.apache.org/jira/browse/BEAM-8026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913435#comment-16913435
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Kyle Weaver commented on BEAM-8026:
-----------------------------------
Yeah, looks like it is the same root cause.
> [beam_PostCommit_Python_VR_Spark ] Multiple tests failing due to coders.
> ------------------------------------------------------------------------
>
> Key: BEAM-8026
> URL: https://issues.apache.org/jira/browse/BEAM-8026
> Project: Beam
> Issue Type: Bug
> Components: runner-spark, test-failures
> Reporter: Mikhail Gryzykhin
> Assignee: Kyle Weaver
> Priority: Major
> Labels: currently-failing
>
> * [Jenkins
> Job|[https://builds.apache.org/job/beam_PostCommit_Python_VR_Spark/719/]]
> Initial investigation:
> Multiple tests failing to set proper coder
> RuntimeError: Pipeline
> test_pardo_windowed_side_inputs_1566389313.07_875931ef-c02f-481c-89a2-2d9376c41ecc
> failed in state FAILED: java.lang.ClassCastException:
> org.apache.beam.sdk.coders.LengthPrefixCoder cannot be cast to
> org.apache.beam.sdk.coders.KvCoder
> ----
> _After you've filled out the above details, please [assign the issue to an
> individual|https://beam.apache.org/contribute/postcommits-guides/index.html#find_specialist].
> Assignee should [treat test failures as
> high-priority|https://beam.apache.org/contribute/postcommits-policies/#assigned-failing-test],
> helping to fix the issue or find a more appropriate owner. See [Apache Beam
> Post-Commit
> Policies|https://beam.apache.org/contribute/postcommits-policies]._
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