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https://issues.apache.org/jira/browse/BEAM-2100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17131973#comment-17131973
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Beam JIRA Bot commented on BEAM-2100:
-------------------------------------
This issue is P2 but has been unassigned without any comment for 60 days so it
has been labeled "stale-P2". If this issue is still affecting you, we care!
Please comment and remove the label. Otherwise, in 14 days the issue will be
moved to P3.
Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed
explanation of what these priorities mean.
> Improve error message for shifting elements back in time
> --------------------------------------------------------
>
> Key: BEAM-2100
> URL: https://issues.apache.org/jira/browse/BEAM-2100
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Thomas Groh
> Priority: P2
> Labels: stale-P2
>
> When an element is shifted forwards in time (often to the end of the Global
> Window) as a result of a GroupByKey, they can't be reassigned the timestamps
> the user expects. This is fine, but users don't understand why the elements
> have been shifted forwards, and we should improve the messaging around this
> error.
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