各路大神求救！HTTP Status 500 - Malformed OGNL expression:

Question

JSP代码：

 <li><a href="Student_Query_Electric_bill?type=0&studentnum=<s:property value="#session.loginUserNum"/>" target="MainFrame">电费</a></li>

struts.xml代码：

        <action name="Student_Query_Electric_bill" class="action.BillAction" method="studnetQueryBill()">
           <result name="student_QueryBill_success">/bill/student_electric_bill.jsp</result>
       </action>

Java代码：

    public String studnetQueryBill(){
        BillDao bdao = new BillDaoImpl();
        String studentNum = request.getParameter("studentnum");
        String type = request.getParameter("type");
        Bill bill = bdao.studentQueryBill(studentNum,type);
        session.setAttribute("Bill", bill);
        return "student_QueryBill_success";
    }

Answer 1

表达式有问题，另外你可以把Tomcat重启下，把WebApp下面的工程目录删除，重新部署下，看行不行！希望能帮助到你！