急待解决，求高手！

[zhang_anxu]

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: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
com.jspdev.ch12.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:65)


root cause

java.lang.NullPointerException
org.apache.jsp.modifyProduct_005fpro_jsp._jspService(modifyProduct_005fpro_jsp.java:113)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
com.jspdev.ch12.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:65)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.

[ouyangxiaokang6]

java.lang.NullPointerException
最常见的异常了，凡是null.fangfa()这样的都会出这个问题，仔细检查你的代码

[Arc365]

你页面上有null值吧

[zhangbo6791644]

你的数据是空值了，仔细检查你的代码了

[sherry521]

去你的服务器下找你的modifyProduct_pro_jsp页
113行，空了

[hubert_bubert]

最常见的空指针

[hoojo]

空指针异常，没有获取值。
fulfilling 没有值
过滤器异常：SetCharacterEncodingFilter
检查下看看
^_*

[酒浪子]

modifyProduct_005fpro这个页面中有空值