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作者

菜鸟问题，希望大虾们帮助

J2EE1982

发贴: 7

于 2005-08-16 07:42

jsp:源程序

<%@ page language = "java" contentType = "text/html;charset=ISO-8859-1" %>
<%@ page import = "java.sql.*" %>
<jsp:useBean id="mysql" scope="page" class="com.Mysql" />
<%
ResultSet rs = mysql.executeQuery("select * from stsnews");
while(rs.next()) {
out.println(rs.getString("title"));
}
%>

错误：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
  org.apache.jsp.index_jsp._jspService(index_jsp.java:59)
  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)

• 为什么这个Applet不能在浏览器显示啊？

话题树型展开

人气	标题	作者	字数	发贴时间
1883	菜鸟问题，希望大虾们帮助	J2EE1982	1333	2005-08-16 07:42
1861	Re:菜鸟问题，希望大虾们帮助	chengbd	239	2005-08-17 01:12

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