Posting a JSON to a Spring Controller

Question

I'm learning to pass a JSON object through ajax to a Spring Controller.

Found an article, that seems to explain how its done: http://hmkcode.com/spring-mvc-json-json-to-java/

From that point i added a @RequestMapping to the Controller:

@RequestMapping(value = "/get-user-list", method = RequestMethod.POST) public @ResponseBody String testPost(@RequestBody ResourceNumberJson resourceNumberDtoJson) { System.out.println(">>>>>>>>>>>>>>>>>>>>>> I AM CALLED"); return "111"; }

Then i'm forming my ajax post:

var json = { "login" : "login", "resource_number" : "111", "identifier" : "1111", "registrator_number" : "11111111111111" }; console.log(JSON.stringify(json)); $.ajax({ type : "POST", url : "/get-user-list", dataType : "text", data : JSON.stringify(json), contentType : 'application/json; charset=utf-8', mimeType: 'application/json', success: function(data) { alert(data.id + " " + data.name); }, error:function(data,status,er) { alert("error: "+data+" status: "+status+" er:"+er); } });

which is runned from "get-user-list" page.

When i'm trying to run this, i recieve a HTTP 415 error. Spring 4, Jackson 2.4

Cant understand what i'm doing wrong.

Oli · Accepted Answer · 2016-03-18 12:38:34Z

HTTP 415 means, that the media type is not supported.

Try changing your @RequestMapping annotation to

@RequestMapping(value = "/get-user-list", method = RequestMethod.POST, consumes="application/json")

You should also consider testing your REST-service with a client like RESTClient, Postman or even cURL to make sure it is working correctly before you start implementing the jQuery client.

Thanks for the reply. I'll definitely look up on the RESTClient. Think i found my problem - i misslooked the slash before the url(i think).
The URL came out to be "root/get-user-list" instead of "root/users.../get-user-list". I guess i ren into some other's controller policy.

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