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https://issues.apache.org/jira/browse/ARROW-6884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951414#comment-16951414
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Wes McKinney commented on ARROW-6884:
-------------------------------------
It might be as simple as showing
{code}
ServerException("TypeError: a bytes-like object is required, not 'str'")
{code}
It looks like all of that information is already there, it's just about
formatting it in a more friendly way.
> [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
> Priority: Major
> 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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