[jira] [Commented] (FLINK-35796) Ensure that MailboxExecutor.submit is used correctly

["Arvid Heise (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-35796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17864521#comment-17864521 ] 

Arvid Heise commented on FLINK-35796:
-------------------------------------

Merged into master as 0bf2aaac0e38e7f322968094562d4f1e85318879.

> Ensure that MailboxExecutor.submit is used correctly
> ----------------------------------------------------
>
>                 Key: FLINK-35796
>                 URL: https://issues.apache.org/jira/browse/FLINK-35796
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Task
>    Affects Versions: 2.0.0
>            Reporter: Arvid Heise
>            Assignee: Arvid Heise
>            Priority: Major
>              Labels: pull-request-available
>
> https://issues.apache.org/jira/browse/FLINK-34470 showed that MailboxExecutor.submit may result in unexpected exception handling: while {{execute}} will bubble up the exception in the task thread and result in some fault, {{submit}} can hide the exception because the API assumes that the returned {{Future}} is checked for it explicitly or implicitly.
> We can solve the situation by improving the doc of MailboxExecutor and double-check the internal usages.



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