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From "Ben Chambers (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-1657) DirectRunner should not call close twice in UnboundedSourceExecutorFactory
Date Wed, 08 Mar 2017 18:41:38 GMT
Ben Chambers created BEAM-1657:
----------------------------------

             Summary: DirectRunner should not call close twice in UnboundedSourceExecutorFactory
                 Key: BEAM-1657
                 URL: https://issues.apache.org/jira/browse/BEAM-1657
             Project: Beam
          Issue Type: Bug
          Components: runner-direct
            Reporter: Ben Chambers
            Assignee: Thomas Groh


At the end of the processElement, in `finishRead` there is a 5% chance we decide to `close`
the reader. If that happens, it will null-out the reader in the returned shard. But then the
end of the `processElement` call will attempt too `close` the reader again, violating the
spec.



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