Convert errors thrown from interceptors #2209
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Motivation: gRPC checks whether errors thrown from interceptors are `RPCError` and otherwise treats them as `unknown` (to avoid leaking internal information). There is a third possibility: the error is explicitly marked as being convertible to an `RPCError`. This check is currently missing when thrown from client/server interceptors. Modifications: - Catch `RPCErrorConvertible` in the client/server executors when thrown from interceptors - Add tests Result: Error information isn't dropped
gjcairo
approved these changes
Mar 18, 2025
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Motivation:
gRPC checks whether errors thrown from interceptors are
RPCErrorand otherwise treats them asunknown(to avoid leaking internal information). There is a third possibility: the error is explicitly marked as being convertible to anRPCError. This check is currently missing when thrown from client/server interceptors.Modifications:
RPCErrorConvertiblein the client/server executors when thrown from interceptorsResult:
Error information isn't dropped