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HTTP Status 500 - 请大家来看看啊

lmc322 发布于 2006-05-14 13:10, 541 次点击

HTTP Status 500 -

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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:370)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

java.lang.NullPointerException
org.apache.jsp.board1_jsp._jspService(org.apache.jsp.board1_jsp:111)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.


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Apache Tomcat/5.5.9

3 回复
#2
dreame2006-05-14 13:49
java.lang.NullPointerException空指针异常,检查servlet!
#3
bagger2006-05-14 19:53
程序里面接受到了空的
内容
检查一下哪里的值没有接受到!
#4
zhangheng2006-05-15 08:41

你还要考虑一下哪个变量(方法)没有接受到值或是没有给他赋值就使用咯.
这种情况经常会出现java.lang.NullPointerException空指针异常的.

1