Go Webserver Not Handling POST Requests - http

Question

I'm creating a simple web server using Go's http package. I'm registering just one handler, for requests to the path "/requests/".
It can handle GET requests just fine but when I send a POST request, the handler is never invoked and the client gets a 301 Moved Permanently response.
I've tried searching for this but it appears this isn't a problem people are commonly facing.
My handler is:
func requestHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "Hello")
}
main function:
func main() {
mux := http.NewServeMux()
mux.HandleFunc("/requests/", requestHandler)
http.ListenAndServe(":8000", mux)
}
Curl gives the following output:
>> curl -i -X POST http://localhost:8000/requests
HTTP/1.1 301 Moved Permanently
Location: /requests/
Date: Thu, 12 Jan 2017 08:51:10 GMT
Content-Length: 0
Content-Type: text/plain; charset=utf-8
Go's own http client returns a similar response object:
&{301 Moved Permanently 301 HTTP/1.1 1 1 map[Content-Type:[text/plain; charset=utf-8] Location:[/requests/] Date:[Thu, 12 Jan 2017 08:51:58 GMT] Content-Length:[0]] 0x339190 0 [] false false map[] 0xc4200cc0f0 <nil>}
Again, GET requests behave just as I'd expect them to and invoke the handler function. Do I need to do something differently to handle POST requests? Thanks for any help on this!

Answer 1

You are querying for /requests.
The redirect is pointing you to /requests/
You used curl like this :
curl localhost:8000/requests
You need to either use /requests instead of /requests/ in mux.HandleFunc.
or use
curl localhost:8000/requests/
Also note that if you request would work on a browser without any change as it handles redirects automatically.
And the route with trailing slash would return 404, if the route in mux.HandleFunc does not have a trailing slash.
PS : Your requestHandler handles all methods, not just POST requests. You need to check for r.Method to handle the methods differently.