[jira] [Created] (ARROW-6884) [Python][Flight] Make server-side RPC exceptions more friendly?

["Wes McKinney (Jira)" <ji...@apache.org>]

Wes McKinney created ARROW-6884:
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             Summary: [Python][Flight] Make server-side RPC exceptions more friendly?
                 Key: ARROW-6884
                 URL: https://issues.apache.org/jira/browse/ARROW-6884
             Project: Apache Arrow
          Issue Type: Improvement
          Components: FlightRPC, Python
            Reporter: Wes McKinney
             Fix For: 1.0.0


Here is what an error looks like when a client RPC fails in the server

{code}
E   pyarrow.lib.ArrowException: Unknown error: gRPC returned unknown error, with message: a bytes-like object is required, not 'str'
E   In ../src/arrow/python/flight.cc, line 201, code: CheckPyError(). Detail: Python exception: TypeError
{code}

The "line 201, code:" business is added by -DARROW_EXTRA_ERROR_CONTEXT=ON so the normal use won't see this

It might be nice to re-raise the same exception type in the client with some extra context added to make clear that it is a server-side error



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