How to access error_details via grpc-java API?

[Przemysław Sobala]

Hi, how to use error_details send from server via (C++):

grpc::ServerAsyncResponseWriter<?>::FinishWithError(Status(StatusCode code, const grpc::string& error_message, const grpc::string& error_details))

to java client, other than using (Java):

Metadata m = Status.trailersFromThrowable(t);
byte[] error_details = m.get(Metadata.Key.of("grpc-status-details-bin", Metadata.BINARY_BYTE_MARSHALLER));

That key, that I have to pass,  -  "grpc-status-details-bin" - is bothering me the most. Should it be accessible via some Java API?

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regards

Przemysław Sobala

[Eric Gribkoff]

You can use the utility method StatusProto#fromThrowable to extract the error details as a com.google.rpc.Status proto. Metadata keys beginning with "grpc-" are intended for internal use by the gRPC library, so the Metaday.Key itself is not public.

Thanks,

Eric

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