Hello Nikhli, have you solved the issue? вторник, 17 января 2017 г., 6:36:13 UTC+3 пользователь Nikhil Tathe написал: > > Hi all, > I am building a grpc server client communication on windows. > I am getting error as > transport: http2Server.HandleStreams failed to read frame: read tcp > 192.168.56.1:8080->192.168.56.1:29065: wsarecv: An existing connection > was forcibly closed by the remote host. > I am not able understand it. > I googled about it but I no luck. > > I tried grpc sample code from > https://github.com/grpc/grpc-go/tree/master/examples/helloworld/ on my > system > still getting similar error > transport: http2Server.HandleStreams failed to read frame: read tcp [::1]: > 50051->[::1]:28563: wsarecv: An existing connection was forcibly closed by > the remote host. > > Server code: > package main > > import ( > "log" > "net" > > "golang.org/x/net/context" > "google.golang.org/grpc" > pb "google.golang.org/grpc/examples/helloworld/helloworld" > "google.golang.org/grpc/reflection" > ) > > const ( > port = ":50051" > ) > > // server is used to implement helloworld.GreeterServer. > type server struct{} > > // SayHello implements helloworld.GreeterServer > func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb. > HelloReply, error) { > return &pb.HelloReply{Message: "Hello " + in.Name}, nil > } > > func main() { > lis, err := net.Listen("tcp", port) > if err != nil { > log.Fatalf("failed to listen: %v", err) > } > s := grpc.NewServer() > pb.RegisterGreeterServer(s, &server{}) > // Register reflection service on gRPC server. > reflection.Register(s) > if err := s.Serve(lis); err != nil { > log.Fatalf("failed to serve: %v", err) > } > } > > Client code > package main > > import ( > "log" > "os" > > "golang.org/x/net/context" > "google.golang.org/grpc" > pb "google.golang.org/grpc/examples/helloworld/helloworld" > ) > > const ( > address = "localhost:50051" > defaultName = "world" > ) > > func main() { > // Set up a connection to the server. > conn, err := grpc.Dial(address, grpc.WithInsecure()) > if err != nil { > log.Fatalf("did not connect: %v", err) > } > defer conn.Close() > c := pb.NewGreeterClient(conn) > > // Contact the server and print out its response. > name := defaultName > if len(os.Args) > 1 { > name = os.Args[1] > } > r, err := c.SayHello(context.Background(), &pb.HelloRequest{Name: name > }) > if err != nil { > log.Fatalf("could not greet: %v", err) > } > log.Printf("Greeting: %s", r.Message) > } > > > I found something on googling as > https://go.googlesource.com/net/+/master/http2/server.go > https://golang.org/src/net/http/h2_bundle.go > > which tells problem is Windows OS specific. > Not able to understand and find solution for it. > > if runtime.GOOS == "windows" { > > if oe, ok := err.(*net.OpError); ok && oe.Op == "read" { > > if se, ok := oe.Err.(*os.SyscallError); ok && se.Syscall == > "wsarecv" { > > const WSAECONNABORTED = 10053 > > const WSAECONNRESET = 10054 > > if n := http2errno(se.Err); n == WSAECONNRESET || n == > WSAECONNABORTED { > > return true > > } > > } > > } > > } > > > Can anyone help me out in it ? > >
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