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Posted to issues@flink.apache.org by "Weijie Guo (Jira)" <ji...@apache.org> on 2022/09/28 04:25:00 UTC

[jira] [Commented] (FLINK-28824) StreamingJobGraphGenerator#triggerSerializationAndReturnFuture might swallow exception

    [ https://issues.apache.org/jira/browse/FLINK-28824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17610346#comment-17610346 ] 

Weijie Guo commented on FLINK-28824:
------------------------------------

This ticket is duplicated to FLINK-29431.

 

> StreamingJobGraphGenerator#triggerSerializationAndReturnFuture might swallow exception 
> ---------------------------------------------------------------------------------------
>
>                 Key: FLINK-28824
>                 URL: https://issues.apache.org/jira/browse/FLINK-28824
>             Project: Flink
>          Issue Type: Bug
>          Components: API / DataStream
>    Affects Versions: 1.16.0
>            Reporter: Yun Gao
>            Assignee: Weijie Guo
>            Priority: Major
>
> Currently the `triggerSerializationAndReturnFuture` is executed in a separate thread. Currently when this method throws exception (for example, users may pass an UDF that is not serializable), then the main thread would be blocked.
> We'd better fail the future for any exception thrown in this thread. 



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