在TOMCAT运行JSP首页时出现的问题:HTTP Status 500(请给予解决谢谢!)

来源:百度知道 编辑:UC知道 时间:2024/05/30 03:48:09
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:315)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:258)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:205)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

root cause

java.lang.NullPointerException
org.apache.jsp.login_jsp._jspService(login_jsp.java:72)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:268)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:258)
org.apa

ava.lang.NullPointerException 空指针错误,检查你login页面中对象是否有没有初值,或者初值为null的情况!!!

你的页面的最后一行的HTML标签没有写完整

看看是不是写成</html 了
.