能从这个网页出错报告中看出什么

magicxboy

   今天登陆“宁波公交总公司”的官网查询一条路线，网页刷了好长时间没刷出来，但到最后却报出来这些代码，我只能看出来他的服务器应该是apache，其他的高手还能看出什么吗？求教






HTTP Status 500 -

---

type
Exception report

message

description
The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

java.lang.NullPointerException        com.line.LineFun.getAllLineSingle(LineFun.java:481)        com.line.LineFun.getAllLineChange2(LineFun.java:630)        org.apache.jsp.serve_005f53_jsp._jspService(serve_005f53_jsp.java:71)        org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

note
The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.