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From "Kenneth Knowles (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (BEAM-2486) Should throws some useful messages when statefulParDo use non-KV input
Date Thu, 22 Jun 2017 00:33:00 GMT

     [ https://issues.apache.org/jira/browse/BEAM-2486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kenneth Knowles reassigned BEAM-2486:
-------------------------------------

    Assignee: Kenneth Knowles

> Should throws some useful messages when statefulParDo use non-KV input
> ----------------------------------------------------------------------
>
>                 Key: BEAM-2486
>                 URL: https://issues.apache.org/jira/browse/BEAM-2486
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-core, runner-flink
>            Reporter: Jingsong Lee
>            Assignee: Kenneth Knowles
>
> Now Flink runner will throws a ClassCastException without detail messages when a statefulParDo
use non-KV input. It is not easy for users to find errors and causes. 



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