Nico Kruber created FLINK-5591:
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Summary: queryable state: request failures failing on the server
side do not contain client stack trace
Key: FLINK-5591
URL: https://issues.apache.org/jira/browse/FLINK-5591
Project: Flink
Issue Type: Improvement
Components: Queryable State
Affects Versions: 1.2.0
Reporter: Nico Kruber
Assignee: Nico Kruber
Failures during queries using QueryableStateClient throw exceptions like
UnknownKeyOrNamespace but these are thrown on the server side with its
stacktrace included, then serialised and sent over to the client where they are
deserialised and re-thrown.
For debugging it would help a lot if these "server-exceptions" would be
encapsulated in new client-exception instances so that we also get the client's
stack trace. Especially since failing requests may be caused by the client
itself, e.g. non-existing jobs/keys, wrong namespace/serialisers, etc.
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