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https://issues.apache.org/jira/browse/BEAM-9746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismaël Mejía updated BEAM-9746:
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Status: Open (was: Triage Needed)
> [Go SDK] Empty side inputs causing spurious zero elements
> ---------------------------------------------------------
>
> Key: BEAM-9746
> URL: https://issues.apache.org/jira/browse/BEAM-9746
> Project: Beam
> Issue Type: Improvement
> Components: sdk-go
> Reporter: Robert Burke
> Assignee: Robert Burke
> Priority: Major
>
> A user discovered that empty side inputs would spuriously provide a single
> zero element.
> The error was narrowed down to the Go SDK's state manager code copying the
> stateGetResponse data wasn't checking that the original data source even had
> any bytes in it, leading it in particular to interpret length prefixed data
> as having 0 length, which would cause zero value elements to be generated.
> Notably, this caused empty strings.
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