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https://issues.apache.org/jira/browse/FLINK-28824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Gao reassigned FLINK-28824:
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Assignee: Weijie Guo
> 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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