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https://issues.apache.org/jira/browse/FLINK-2067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen updated FLINK-2067:
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Fix Version/s: 1.3.0
> Chained streaming operators should not throw chained exceptions
> ---------------------------------------------------------------
>
> Key: FLINK-2067
> URL: https://issues.apache.org/jira/browse/FLINK-2067
> Project: Flink
> Issue Type: Bug
> Components: DataStream API
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.3.0
>
>
> The exceptions that come from chained operators have an non-intuitive
> chaining structure, that makes the stack traces harder to understand.
> For every chained task, there is a "Failed to forward record" exception,
> before the actual exception comes as a cause.
> In the Batch API, we use a special "ExceptionInChainedStubException" that is
> recognized and un-nested to make chained operator exceptions surface as root
> exceptions.
> We should do the same for the streaming API.
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