関連ワード:  grpc status code 2    grpc status code 200    grpc error code 2    grpc response code 2    rpc grpc status_code 2    server responded with grpc status code 2    opentelemetry server responded with grpc status code 2    io grpc statusruntimeexception unknown http status code 200    server responded with grpc status code 2. error message    grpc status code 4