系统运行错误

<%-- Created by IntelliJ IDEA. User: ytzhou Date: 2014/7/8 Time: 16:02 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <% String response_type = (String)request.getAttribute("response_type"); String client_id = (String)request.getAttribute("client_id"); String client_secret = (String)request.getAttribute("client_secret"); String redirect_uri = (String)request.getAttribute("redirect_uri"); String scope = ""; String state = (String)request.getAttribute("state"); if(null==state){ state = ""; } System.out.println("response_type="+response_type+" client_id="+client_id); %> 系统运行错误

访问出错了：
<%=request.getAttribute("desc") %>

点击这里返回