为什么同样的程序,从windows移植到linux下就抱错???
tklqa 2005-07-09 05:07:25 windows下用的是tomcat3.1,程序运行正常。linux下用的是tomcat5.0.1,配置启动没有问题,显示静态页面没有任何问题,但是一要进入数据库验证就抱错???charset=GBK,改成utf-8也没用。
apache的错误内容是:
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: /webadmin/verify.jsp(3,0) The value for the useBean class attribute research.opendb1 is invalid.
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:150)
org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1227)
org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1116)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Generator.generate(Generator.java:3272)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:244)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:495)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:476)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:464)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
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)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs.
verify.jsp的内容是:
<%@page contentType="text/html;charset=GBK" %>
<%@page import="java.sql.ResultSet"%>
<jsp:useBean id="userlogin" class="research.opendb1"/>
<%
String login="false";
String NAME="";
String SORT="";
String username=request.getParameter("username");
String password=request.getParameter("password");
String sql="select * from guanli where NAME='"+username+"' and PASSWORD='"+password+"'";
try{
ResultSet rs=userlogin.executeQuery(sql);
while(rs.next())
{login="true";
NAME=rs.getString("NAME").trim();
SORT=rs.getString("SORT").trim();
}
if("true".equals(login))
{
session.setAttribute("NAME",NAME);
session.setAttribute("SORT",SORT);
//session.setAttribute("type",usertype);
response.sendRedirect("main.jsp");
}
else
{
out.println("<p><p><p align='center'><i><font color=#cc9966 size=3>用户名、密码有错,请重新输入.</font></i><p>");
out.println("<p align='center'><i><font color=#cc9966>〖<a href='index.jsp'>返 回</a>〗</font></i>");
}
}catch(Exception e){out.println("<p><p><p align='center'><i><font color=#cc9966 size=3>系统维护中,请稍后重试!</font></i><p>");
out.println("<p align='center'><i><font color=#cc9966>〖<a href='index.jsp'>返 回</a>〗</font></i>");
}
finally{userlogin.close();}
%>