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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2022/01/12 03:51:04 UTC
[jira] [Updated] (BEAM-2499) Support Custom Windows in Spark runner
[ https://issues.apache.org/jira/browse/BEAM-2499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kenneth Knowles updated BEAM-2499:
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This Jira ticket has a pull request attached to it, but is still open. Did the pull request resolve the issue? If so, could you please mark it resolved? This will help the project have a clear view of its open issues.
> Support Custom Windows in Spark runner
> --------------------------------------
>
> Key: BEAM-2499
> URL: https://issues.apache.org/jira/browse/BEAM-2499
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Etienne Chauchot
> Priority: P3
>
> If we extend {{IntervalWindow}} and we try to merge these custom windows like in this PR:
> https://github.com/apache/beam/pull/3286
> Then spark runner fails with
> {{org.apache.beam.sdk.Pipeline$PipelineExecutionException: java.lang.ClassCastException: org.apache.beam.sdk.transforms.windowing.IntervalWindow cannot be cast to org.apache.beam.sdk.transforms.windowing.MergingCustomWindowsTest$CustomWindow}}
> It seems to be because of the cast to {{IntervalWindow}} there: https://github.com/apache/beam/blob/master/runners/spark/src/main/java/org/apache/beam/runners/spark/translation/SparkGlobalCombineFn.java#L111
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