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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-1593) Improve exception handling in the Streaming runtime
Date Tue, 17 Mar 2015 14:44:38 GMT

     [ https://issues.apache.org/jira/browse/FLINK-1593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Robert Metzger updated FLINK-1593:
    Summary: Improve exception handling in the Streaming runtime  (was: Improve exception
handling int Streaming runtime)

> Improve exception handling in the Streaming runtime
> ---------------------------------------------------
>                 Key: FLINK-1593
>                 URL: https://issues.apache.org/jira/browse/FLINK-1593
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>             Fix For: 0.9
> The current exception handling logic is not very helpful when trying to debug an application.
In many cases with serialization/user code or other exceptions, the error is just logged and
not propagated properly. This should mainly be fixed in the StreamInvokables.
> Some improvements that could be made:
> -Serialization/Deserialiaztion and other system errors should be propagated instead of
just silently logged
> -User code exceptions should be better handled, for instance I think it would be helpful
to log them to INFO so that users can instantly see it.

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