Tomcat7 get ajax's post type data OK .Why wildFly8-Alpha4 not OK ?

Version 1

    Tomcat7 get ajax's post type data OK.Why wildFly8-Alpha4 not OK ?

    code section:

    $.ajax({url:"addPrinciple.htm",

         type:"POST",

         async:false,

         data:{"princ1":princ1},

         success:function(data){

              alert("ok!");    

         }

    });

    environment´╝Üfreemarker + Spring + wildFly8-Alpha4 + jdk1.7.0_25-b17 

     

    Can anybody help me?