ASF GitHub Bot commented on FLINK-9357:

Github user zentol commented on the issue:


> Add margins to yarn exception excerpts
> --------------------------------------
>                 Key: FLINK-9357
>                 URL: https://issues.apache.org/jira/browse/FLINK-9357
>             Project: Flink
>          Issue Type: Improvement
>          Components: Tests, YARN
>    Affects Versions: 1.5.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Major
>             Fix For: 1.5.0
> The yarn tests check the log files for exceptions to detect test failures. If 
> detected a test will fail and an excerpt from the logs will be printed.
> The excerpt content is currently the stack of the detected exception. This 
> only works correctly if the stacktrace follows a specific formatting style; 
> for example if an exception message contains an empty line the output will be 
> cut off.
> I propose including the 10 before/after the found exception to make this a 
> bit more reliable. As a side-effect we also get a little contextual 
> information.

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