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From "Chesnay Schepler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6550) Calling ctx.collect with a null OutputTag should log a warning or throw an exception
Date Thu, 11 May 2017 15:10:06 GMT
Chesnay Schepler created FLINK-6550:
---------------------------------------

             Summary: Calling ctx.collect with a null OutputTag should log a warning or throw
an exception
                 Key: FLINK-6550
                 URL: https://issues.apache.org/jira/browse/FLINK-6550
             Project: Flink
          Issue Type: Improvement
          Components: Streaming
            Reporter: Chesnay Schepler
            Priority: Minor


When using side outputs it is currently possible to call {Context#collect(OutputTag<X>,
X record)} with null for the OutputTag. Effectively this causes the data to be swallowed.
It is unlikely that a user actually intends this, so i propose to either log a warning or
throw an exception.



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