问Symfony和AJAX 404响应

EN

 //CHECK IF EXTERNAL PROJECT CAN BE IMPORTED
 $.get("/find-project/" + Id, function( data ) { << THIS ONE IS GOOD

 if(data['status'] === false){
 //PROJECT WITH THAT ID NOT FOUND
 }else{
 //PROJECT WITH THAT ID EXISTS


// HAVE YOU ALREADY ADDED THAT PROJECT
$.get("/check-project/" + Id, function(data){ << THIS RETURNS 404

if(data === false){
 //PROJECT HAS NOT BEEN ADDED.. ADD IT

 }else{
  //PROJECT HAS ALREADY BEEN ADDED
  }
  })
  }
   });

/**
 * @Route("/find-project/{Id}", name="_findProject")
 * @Method({"GET"})
 */
public function findProjectByIdAction($Id)
{
    $project = $this->get('crm')->findProjectById($Id);
    $status = $project ? true : false;

    return new JsonResponse(array('status' => $status, 'project' => $project));
}



/**
 * @Route("/check-project/{Id}", name="_checkProject")
 * @Method({"GET"})
 */

public function checkIfProjectExistsAction($Id){

    $query = $this->getDoctrine()->getRepository('AppBundle:Project')->findOneBy(array('Id' => $Id));
    $cnt = count($query->getResult());

    $cnt == 0 ? $status = false : $status = true ;

    return new JsonResponse(array('status' => $status));
}