json_name field option not working

[junghoahnsc]

Hello,

I'm using 'json_name' field option, but it doesn't work.

My proto is

message GeoCoordinate {
  double latitude = 1 [ json_name = "lat" ];
  double longitude = 2 [ json_name = "long" ];
}

But in Go,

a := GeoCoordinate{}
a.Latitude = 1.2

b, _ := json.Marshal(a)
fmt.Printf("a=%s\n", string(b))

The output was

a={"latitude":1.2}

Thanks,

[dsymonds]

You need to use the jsonpb package instead of the encoding/json package from the standard library.

[junghoahnsc]

Oh, I see. It works.
It might be better to mention on this in https://developers.google.com/protocol-buffers/docs/proto3#json?

[bcmills]

Arguably the best fix would be to remove the distinction between jsonpb and json encoding (per #256). Then there would be nothing unusual to document.

[cybrcodr]

Closing this issue as it is resolvable via jsonpb. Discussion for using plain json encoding is at #256.