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https://issues.apache.org/jira/browse/BEAM-3193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253301#comment-16253301
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Nishu Tayal commented on BEAM-3193:
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Same issue can be reproduced using *Join extension library* as well . Looking
forward to get this issue resolved.
> CoGroupByKey doesn't work in streaming mode
> -------------------------------------------
>
> Key: BEAM-3193
> URL: https://issues.apache.org/jira/browse/BEAM-3193
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Jean-Baptiste Onofré
> Assignee: Jean-Baptiste Onofré
>
> The CoGroupByKey PTransform doesn't throw an exception but doesn't actually
> perform the grouping when used in streaming mode. I will attach a test
> pipeline.
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