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https://issues.apache.org/jira/browse/BEAM-1281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-1281:
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Priority: Minor (was: Critical)
> GlobalWindow needs non-empty encoding in nested context
> -------------------------------------------------------
>
> Key: BEAM-1281
> URL: https://issues.apache.org/jira/browse/BEAM-1281
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Priority: Minor
>
> One easy motivation: as a StateNamespace, the global window's stringKey ends
> up being is "//" while the global namespace's stringKey is "/". As paths,
> these are identical, though we don't currently treat them as paths, quite. It
> isn't clear whether this is desirable. Maybe it is harmless but it
> complicates parsing and interpretation.
> For a system that actually builds hierarchical paths out of, say, some
> prefix, the StateNamespace, and a subsequent ID, the canonicalized path is
> the same so it is not possible to deserialize to the original.
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