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From "Kenneth Knowles (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-3069) Transform rehydrator registration should be idempotent
Date Tue, 17 Oct 2017 19:26:00 GMT
Kenneth Knowles created BEAM-3069:
-------------------------------------

             Summary: Transform rehydrator registration should be idempotent
                 Key: BEAM-3069
                 URL: https://issues.apache.org/jira/browse/BEAM-3069
             Project: Beam
          Issue Type: Bug
          Components: runner-core
            Reporter: Kenneth Knowles
            Assignee: Kenneth Knowles


Currently, if the same URN is registered twice, it results in an exception. Instead, if it
is a duplicate registration (for example, caused by double-shading of the service loader config)
it should succeed. This requires probably good equals methods for the rehydrators.

Other minor issues: it will fail at load time and from then throw class not found errors,
which is extremely annoying. It should instead load lazily so we can always get a good stack
trace.



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