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https://issues.apache.org/jira/browse/BEAM-6221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Huntsperger updated BEAM-6221:
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Fix Version/s: Not applicable
Resolution: Won't Fix
Status: Resolved (was: Open)
> TupleTag must be declared as anonymous class while using sideOutput
> --------------------------------------------------------------------
>
> Key: BEAM-6221
> URL: https://issues.apache.org/jira/browse/BEAM-6221
> Project: Beam
> Issue Type: Bug
> Components: website
> Reporter: Rose Nguyen
> Priority: P3
> Fix For: Not applicable
>
>
> https://beam.apache.org/documentation/programming-guide/#additional-outputs
> The current document should clarify that while using sideOutput, the TupleTag
> must be declared as anonymous class.
> "Using side outputs brings a specific rule regarding to the coders. The
> TupleTag must be declared as an anonymous class (suffixed with {} to the
> constructor call). Otherwise coder's inference would be compromised."
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