Grpc gateway implementation

[nandin...@gmail.com]

Hi,

   My grpc server is written in Java. And Grpc gateway is written in go-lang.
 
   I have referred grpc-gateway from the below url:-
 
 https://grpc-ecosystem.github.io/grpc-gateway/docs/usage.html


when i hit url from my browser, it give error saying

{"error":"Method not found", "code" :12}

Please suggest.