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https://issues.apache.org/jira/browse/BEAM-5245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vaclav Plajt closed BEAM-5245.
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Resolution: Fixed
Fix Version/s: Not applicable
> Missing windowing error message is not undestandable to Euphoria user
> ---------------------------------------------------------------------
>
> Key: BEAM-5245
> URL: https://issues.apache.org/jira/browse/BEAM-5245
> Project: Beam
> Issue Type: Sub-task
> Components: dsl-euphoria
> Reporter: Vaclav Plajt
> Assignee: Vaclav Plajt
> Priority: Major
> Fix For: Not applicable
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> RBK a JOIN cannot wotk witout windowing when inputs are unbounded.
> Translators do not reports it, but underalying Beam transforms do:
> `GroupByKey cannot be applied to non-bounded PCollection in the GlobalWindow
> without a trigger.` Their description of the problem is hart do understind
> for Euphoria API user. We should issue errror messahe of our own. Napr.
> `ReduceByKey cannot be used without windowing when input is unbounded.`
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