Steve Loughran created YARN-2085:
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Summary: GenericExceptionHandler can't report into TEXT/PLAIN
responses
Key: YARN-2085
URL: https://issues.apache.org/jira/browse/YARN-2085
Project: Hadoop YARN
Issue Type: Sub-task
Components: webapp
Affects Versions: 2.4.0
Reporter: Steve Loughran
As seen in SLIDER-51, exceptions (like NotFound) can't be mapped into
text/plain responses.
it may be that the {{Response.status(s).entity(exception).build()}} logic just
doesn't work for plaintext, in which case the handler should detect an
unsupported mime type and just return the error code with an empty body. That
might be the best approach for other binaries too.
or: simply catch the marshalling exception and downgrade to an empty-body
status code. This would be a more graceful fallback, as it would catch all
marshalling issues and return the original error code to the user
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