我这个项目运行很久了，今天突然报错说找不到驱动
而且错误都是出现在JSP页面上，我同一个项目下的java程序链接数据库都没问题，请
问这是什么原因？
我试过重新下载一个驱动，还是同样结果，java程序运行没问题，JSP就报错
以下是JSP页面代码，求助求助！
- HTML code
<%@ page language="java"%><%@ page import="java.sql.*"%> <%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %><HTML> <HEAD> <TITLE>FusionCharts Free - Database And Connection Class Example</TITLE> <SCRIPT LANGUAGE="Javascript" SRC="FusionCharts/FusionCharts.js"></SCRIPT> <style type="text/css"> <!-- body { font-family: Arial, Helvetica, sans-serif; font-size: 12px; } .text{ font-family: Arial, Helvetica, sans-serif; font-size: 12px; } --> </style> </HEAD> <BODY> <CENTER> <h2><a href="http://www.fusioncharts.com" target="_blank">FusionCharts Free</a> Database and Connection Class Example</h2> <% Connection con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/rv_mining","root","123123"); Statement st1=null,st2=null; ResultSet rs1=null,rs2=null; //strXML will be used to store the entire XML document generated String strXML=""; //Generate the chart element strXML = "<graph caption='Factory Output report' subCaption='By Quantity' decimalPrecision='0' showNames='1' numberSuffix=' Units' pieSliceDepth='30' formatNumberScale='0'>"; try { st1=con.createStatement(); rs1=st1.executeQuery("select phone_id from rvm_phoneinfo"); int pid = 0; //Iterate through each factory while(rs1.next()) { pid=rs1.getInt("phone_id"); //Now create second recordset to get details for this factory //Construct the query to retrieve data int P = 0; //int N = 0; String tid = null; st2=con.createStatement(); rs2 = st2.executeQuery("select * from rvm_chart where phone_id="+pid+""); while(rs2.next()){ tid=rs2.getString("para_id"); P = rs2.getInt("P_value"); //N = rs2.getInt("N_value"); strXML += "<set name='" + tid + "' value=" +P+ "/>"; } rs2.close(); st2.close(); } //end of while rs1.close(); st1.close(); con.close(); }catch(SQLException e) { e.printStackTrace(); } //Finally, close <graph> element strXML += "</graph>"; //close the resulset,statement,connection //Create the chart - Pie 3D Chart with data from strXML %> <jsp:include page="includes/FusionChartsRenderer.jsp" flush="true"> <jsp:param name="chartSWF" value="FusionCharts/FCF_Pie3D.swf" /> <jsp:param name="strURL" value="" /> <jsp:param name="strXML" value="<%=strXML %>" /> <jsp:param name="chartId" value="FactorySum" /> <jsp:param name="chartWidth" value="650" /> <jsp:param name="chartHeight" value="450" /> <jsp:param name="debugMode" value="false" /> <jsp:param name="registerWithJS" value="false" /> </jsp:include> <BR> <BR> <a href='../NoChart.html' target="_blank">Unable to see the chart above?</a><BR><H5 ><a href='../default.htm'>« Back to list of examples</a></h5> </CENTER> </BODY></HTML>