[jira] [Commented] (FLINK-11103) Set a default uncaught exception handler

["vinoyang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-11103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713488#comment-16713488 ] 

vinoyang commented on FLINK-11103:
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I think this makes sense. FLINK-5232 is handled by me (for which we introduced a RobustActorSystem), and I am happy to take over the issue. [~till.rohrmann] , what do you think of this proposal?

> Set a default uncaught exception handler
> ----------------------------------------
>
>                 Key: FLINK-11103
>                 URL: https://issues.apache.org/jira/browse/FLINK-11103
>             Project: Flink
>          Issue Type: Improvement
>          Components: TaskManager
>    Affects Versions: 1.8.0
>            Reporter: Nico Kruber
>            Assignee: vinoyang
>            Priority: Major
>
> We should set a default uncaught exception handler in Flink via {{Thread.setDefaultUncaughtExceptionHandler()}} which at least logs the exceptions. Ideally, we would even fail the job (could make this configurable) but users may have some ill-behaving threads, e.g. through libraries, which they would want to tolerate and we don't want to change behaviour now.
> (FLINK-5232 added this for the JobManager, we need it for the TaskManager)



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