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https://issues.apache.org/jira/browse/FLINK-14103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Knauf reopened FLINK-14103:
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Re-opening in accordance with https://issues.apache.org/jira/browse/FLINK-23206.
> StreamTask refactoring: refine and improve exceptions passed to
> failExternally call
> -----------------------------------------------------------------------------------
>
> Key: FLINK-14103
> URL: https://issues.apache.org/jira/browse/FLINK-14103
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Reporter: Alex
> Priority: Minor
> Labels: auto-closed
>
> The documentation string for the {{AsynchronousException}} says:
> {quote}An exception for wrapping exceptions that are thrown by an operator in
> threads other than the
> main compute thread of that operator.
> {quote}
> But the usage of the exception has diverged from the initial intent. In
> particular, some actions that are run in the main task's thread (for example
> via mailbox) may throw (or pass) instances of this exception.
> Also, some exceptions that are already instances of this class may be wrapped
> in this exception again.
> It maybe needed to just adjust the documentation string of the exception, or
> refine and improve the exceptions passed to the exception handling methods.
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