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https://issues.apache.org/jira/browse/BEAM-1154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Kirpichov resolved BEAM-1154.
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Resolution: Fixed
Fix Version/s: 0.4.0-incubating
> ReduceFnRunner fetches side input from the wrong window
> -------------------------------------------------------
>
> Key: BEAM-1154
> URL: https://issues.apache.org/jira/browse/BEAM-1154
> Project: Beam
> Issue Type: Bug
> Reporter: Eugene Kirpichov
> Assignee: Eugene Kirpichov
> Fix For: 0.4.0-incubating
>
>
> This
> https://github.com/apache/incubator-beam/blame/master/runners/core-java/src/main/java/org/apache/beam/runners/core/ReduceFnContextFactory.java#L529
> is incorrect - I broke it in
> https://github.com/apache/incubator-beam/commit/90a0d0e13fa0332df805b79b1dc64860d9590217#diff-16edced77586e39a5f31907f4ced51b5R530
> It uses windowing strategy of the main input to do .getSideInputWindow()
> instead of windowing strategy of the side input.
> The fix is very simple; trying to come up with a test...
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