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Questions tagged [grpc-go]

The Go implementation of gRPC: A high performance, open source, general RPC framework that puts mobile and HTTP/2 first.

385 questions
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How GRPC handle pointer that appear more then once?

For example (golang): type { Product struct { Name string } Customer struct { Name string Products []*Product } } Which is the correct behavior: GRPC honor the *Product pointer and transfer it only once. GRPC will transfer the…
michaelbn
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gRPC-go server becomes unresponsive and starts backing up requests after some time

We have a public gRPC API. We have a client that is consuming our API based on the REST paradigm of creating a connection (channel) for every request. We suspect that they are not closing this channel once the request has been made. On the server…
PassKit
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google.golang.org/grpc not getting installed propely, PeerCertificates[0].URIs undefined (type *x509.Certificate has no field or method URIs)

my go version is "go version go1.9.4 linux/amd64" On running "go get -u google.golang.org/grpc", a "go" drectory gets created in my HOME and i get the following…
Nishant Nayan
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How can I send traces directly to webservice without using opentelemtry collector using oltp exporter in http protocol?

I am trying to send 2 different microservice data to my web service using open telemetry-javaagent ,one with jaeger exporter and the other with otlp, it looks like all the traces of jaeger are sent successfully and otlp are dropped as my web service…
user6223368 iSubodh
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Authorization annotations in Go GRPC

I have a GRPC server with APIs that are authorized like: func (s *MyServer) MyAPI(ctx context.Context, req MyAPIRequest) (MyAPIResponse, error) { isAuthorized, err = s.IsAuthorized(ctx, req.UserId, Role.User) // other APIs may use a different…
onepiece
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client streaming protocol violation while creating grpc server stream endpoint in go

I am trying to create a grpc server streaming endpoint. Here is my protobuf file syntax = "proto3"; option go_package = "mirror_streampb"; option java_package = "com.mirror_stream"; option java_outer_classname = "StreamIdsProto"; option…
HDS
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gRPC client-side load-balancing

I have a headless service running with multiple replicas. When trying to verify client-side load balancing using round robin I see that all requests end up in the same replica. Client setup looks like following: conn, err := grpc.Dial( …
Vardan Saakian
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How to implement Google Protobuf containing map with custom key

I want to create a protobuf which returns a map containing custom keys. When I try to make one, I get an error: Key in map fields cannot be float/double, bytes or message types. I want to know if there is a workaround for it. I am trying to create a…
Coder
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Go GRPC client disconnect terminates Go server

Bit of a newb to both Go and GRPC, so bear with me. Using go version go1.14.4 windows/amd64, proto3, and latest grpc (1.31 i think). I'm trying to set up a bidi streaming connection that will likely be open for longer periods of time. Everything…
JBT
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GRPC not setting some headers

I have this code to disable client caching for a GET API: headers := metadata.Pairs( "Cache-Control", "no-cache, no-store, must-revalidate", "Pragma", "no-cache", "Expires", "0", ) err := grpc.SetHeader(ctx, headers) When I curl -i the…
onepiece
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How can I unpack the grpc status.details error in golang?

I would like to use the google.golang.org/grpc/status error model for my REST APIs as it says you can: The Status type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. But I am…
user3137124
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Flutter gRPC: Best approach for two-way TLS in android app

I am building an android app using flutter. The backend service is built using golang with gRPC as the API. I want to achieve two-way TLS encryption for the app I am building. I have generated an RSA public and private key pair and assigned the…
hhharsha36
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grpc-java define service and methods without proto file

In my grpc application, I need to have a service that has just two client-side streaming methods. Is it possible to define the service, messages without creating a .proto file in grpc-java?. If yes, can you point me to an example or tutorial.
saikamesh
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How to make work protoc in go without copy the google files?

I'm trying to use https://github.com/grpc-ecosystem/grpc-gateway but when I try to run protoc -I/usr/local/include -I. -I${GOPATH}/src -I${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis…
delfosk9
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Using gRPC/protobuf with a go multirepo and go modules

I'm trying to get protoc and protoc-gen-go to play nice in a multi-repo codebase using go modules. I've managed to get things more or less working, until I introduced a major version bump in one of my "api" (i.e. protobuf) repos, and I've hit a bit…
Kris Pruden
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