title: Ajax POST MyUrl 404 (Not Found)
body: <p>i'm working on some grails code and geting this error whenever the ajax function is getting the response from the controller action!</p>
  
  <p>the Ajax function is passing the parameters and controller function is performed after the return i get this error from the browser developing tool.</p>
  
  <pre><code>$.ajax({
      url: urlMap.myUrl_url,
      type: "POST",
      dataType: 'JSON',
      data: {
          pId: pId,
          stId: stId
      },
      success: function (data) {
          $supplementaryHolder.html(data);
      }
  })
  </code></pre>
  
  <p>Here is the controller function !</p>
  
  <pre><code>def deleteSupplementary = {
  
      if (!modifyService.deletePlacement(params.long('pId'))) {
        flash.error = g.message(code: 'student.delete.placement.failed')
      }
       return params.stId;
  
    }
  </code></pre>