请问各位高手这是什么错误？？ 急。。。

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:358)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

root cause

java.lang.NullPointerException
	beans.dafen.getScore(dafen.java:113)
	org.apache.jsp.dafen_jsp._jspService(dafen_jsp.java:95)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

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

----------------解决方案--------------------------------------------------------
空异常呀
肯定是你里面那个值为空了
----------------解决方案--------------------------------------------------------