title: Spring @RequestParam null when sending Parameter in form-data
body: <p>In my controller when sending parameter as form-data, its receiving as <code>null</code> value.
   When passing parameter as <code>x-www-form-urlencoded</code>, I am getting the value.
  My controller is like the following:</p>
  
  <pre><code>@RequestMapping(value = "/getid", method = RequestMethod.POST)
  public ServerResponse id(@RequestParam(value = "id", required = false) String id) {...}
  </code></pre>