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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-2408) Flink unbounded source does not emit watermarks when there are multiple Readers
Date Mon, 05 Jun 2017 13:46:04 GMT
Aljoscha Krettek created BEAM-2408:
--------------------------------------

             Summary: Flink unbounded source does not emit watermarks when there are multiple
Readers
                 Key: BEAM-2408
                 URL: https://issues.apache.org/jira/browse/BEAM-2408
             Project: Beam
          Issue Type: Bug
          Components: runner-flink
    Affects Versions: 2.0.0, 2.1.0
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek
            Priority: Blocker
             Fix For: 2.1.0


In {{UnboundedSourceWrapper.run()}} there is simply no call to {{setNextWatermarkTimer()}}
if the source has multiple readers. There is also no test for watermark emission so while
fixing this we should add one to {{UnboundedSourceWrapperTest}}.



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