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Posted to issues@flink.apache.org by "Bowen Li (JIRA)" <ji...@apache.org> on 2017/09/07 23:56:00 UTC

[jira] [Assigned] (FLINK-6549) Improve error message for type mismatches with side outputs

     [ https://issues.apache.org/jira/browse/FLINK-6549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bowen Li reassigned FLINK-6549:
-------------------------------

    Assignee: Bowen Li

> Improve error message for type mismatches with side outputs
> -----------------------------------------------------------
>
>                 Key: FLINK-6549
>                 URL: https://issues.apache.org/jira/browse/FLINK-6549
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>    Affects Versions: 1.3.0, 1.4.0
>            Reporter: Chesnay Schepler
>            Assignee: Bowen Li
>            Priority: Minor
>
> A type mismatch when using side outputs causes a ClassCastException to be thrown. It would be neat to include the name of the OutputTags in the exception message.
> This can occur when multiple {{OutputTag]}s with different types but identical names are being used.



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