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Posted to issues@beam.apache.org by "Heejong Lee (Jira)" <ji...@apache.org> on 2020/01/02 23:26:00 UTC

[jira] [Created] (BEAM-9048) Matching compile-time and run-time type information in Java external transforms

Heejong Lee created BEAM-9048:
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             Summary: Matching compile-time and run-time type information in Java external transforms
                 Key: BEAM-9048
                 URL: https://issues.apache.org/jira/browse/BEAM-9048
             Project: Beam
          Issue Type: Improvement
          Components: java-fn-execution
            Reporter: Heejong Lee


Output type annotation by Java external transform API only checks compile-time type correctness. Expansion service is solely responsible for run-time type correctness. It would be great if we match both information at pipeline construction time so that preventing pipeline failing in runners after 10 hours.



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