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Posted to commits@beam.apache.org by "Etienne Chauchot (JIRA)" <ji...@apache.org> on 2017/07/21 12:41:00 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 ]
Etienne Chauchot updated BEAM-2499:
-----------------------------------
Summary: Support Custom Windows in Spark runner (was: Fail to merge Custom Windows in Spark runner)
> 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
> Assignee: Etienne Chauchot
>
> 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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