$session = $this->getRequest()->getSession();
        $em = $this->getDoctrine()->getManager();
        $repository = $em->getRepository('NineBundle:Users');

            $session->clear();
            $email = $request->request->get('email');
            $password = $request->request->get('password');
            $user = $repository->findOneBy(array('email'=>$email,'password'=>$password));

if($user) { //check

    $responses = new empLog();
    $responses->success = 1;
    $responses->message = "Success";
    die(json_encode($responses));

}else{

   //this else blocks keeps executing and on echoing the email it prints null
    $responses = new empLog();
    $responses->success = 2;
    $responses->message = "Login was not successful";
    $responses->email = $email;
    die(json_encode($responses));

}