pass javascript response variable to spring controller function

Question

The following javascript code works with the facebook login window appearing and allowing a user to login. The response values are captured and I know it works as alerts appear where setup but I cannot pass the value back to a controller method.

 @RequestMapping(value ="/getAccessToken" , method = RequestMethod.POST)
 public @ResponseBody String getAccessToken(@RequestBody String token){

     System.out.println(token);

     return token;
  }

Javascript method called:

    function doLogin() {
        FB.login(function(response) {
        alert(response);
        console.log(response);
        if (response.authResponse) {
                    alert(response.authResponse.userID);
                    alert(response.authResponse.accessToken);
                    var Token = response.authResponse.accessToken;
                    alert(Token);
                    $.ajax({
                        type: "POST",
                        url: "/HelloController/getAccessToken",
                        data: Token,
                        success: function (result) {
                              alert("Token");
                        },
                        error: function (result) {
                              alert("oops");
                        }
                    });
                     document.getElementById('loginBtn').style.
         display = 'none';
         getUserData();
        }}, {perms:'manage_pages', 
       scope: 'email,public_profile', return_scopes: true});
     };

The error I get is the following:

WARN 25660 --- [nio-8080-exec-9] 
o.s.web.servlet.PageNotFound             : 
Request method 'POST' not supported

Appreciate responses.

is your controller annotated with @RequestMapping("/HelloController") ? — reos
– reos, Commented Dec 7, 2015 at 20:58
@RequestMapping(value ="/HelloController" , method =RequestMethod.POST) public String getAccessToken( — vbNewbie
– vbNewbie, Commented Dec 7, 2015 at 23:01
Could you also post your Spring dispatch configuration? Are you using any url pattern such as *.html? — dreamwagon
– dreamwagon, Commented Dec 10, 2015 at 21:12

Community · Accepted Answer · 2017-05-23 11:44:52Z

2

+25

The problem could be that you are using a new version of JQuery that sends request data as post form data instead of JSON as default. Try changing your ajax call to the following. The form data would not be recognized by your controller so if this is the case you should see a 404.

$.ajax({
        type: "POST",
        traditional: true,
        url: "/HelloController/getAccessToken",
        data: JSON.stringify(Token),
        success: function (result) {
           alert("Token");
        },
        error: function (result) {
          alert("oops");
        }
      });

For reference see this post: Send JSON data via POST (ajax) and receive json response from Controller (MVC)

edited May 23, 2017 at 11:44

CommunityBot

11 silver badge

answered Dec 14, 2015 at 9:02

Pablo Jomer

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6 Comments

Pablo Jomer Over a year ago

Did this help you? Please accept the answer if it did.

vbNewbie Over a year ago

Sorry for the late follow up & I did eventually figure it out but will accept your answer. Thanks

vbNewbie Over a year ago

I'm sorry; I revisited this program and still getting the same error.

Pablo Jomer Over a year ago

Please provide some more info. This solved the problem for me in a similar setup.

vbNewbie Over a year ago

sorry Pablo. I found the issue and it was the controller mapping value that needed to match the url call in the ajax function. thanks.

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