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https://issues.apache.org/jira/browse/FLINK-13588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann reassigned FLINK-13588:
-------------------------------------

    Assignee: John Lonergan

> StreamTask.handleAsyncException throws away the exception cause
> ---------------------------------------------------------------
>
>                 Key: FLINK-13588
>                 URL: https://issues.apache.org/jira/browse/FLINK-13588
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Task
>    Affects Versions: 1.8.1
>            Reporter: John Lonergan
>            Assignee: John Lonergan
>            Priority: Major
>
> Code below throws the reason 'message' away making it hard to diagnose why a 
> split has failed for instance.
>  
> {code:java}
> https://github.com/apache/flink/blob/master/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java#L909
> @Override
>       public void handleAsyncException(String message, Throwable exception) {
>       if (isRunning) {
>       // only fail if the task is still running
>       getEnvironment().failExternally(exception);
>       }
> }{code}
>  
> Need to pass the message through so that we see it in logs please.
>  



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