日期:2014-05-16  浏览次数:20392 次

请问下一段JSP代码连接到Oracle数据库完整方法?
这是我的JSP代码 
<%@ page contentType="text/html;charset=gb2312"%>  
<%@ page import="java.sql.*"%> 
<html>  
<body>  
<%Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();  
String url="jdbc:oracle:thin:@192.168.1.110:1521:orcl"; 
//orcl为你的数据库的SID 
String user="sys"; 
String password="sys"; 
Connection conn= DriverManager.getConnection(url,user,password);  
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);  
String sql="select * from test";  
ResultSet rs=stmt.executeQuery(sql);  
while(rs.next()) {%>  
您的第一个字段内容为:<%=rs.getString(1)%>  
您的第二个字段内容为:<%=rs.getString(2)%>  
<%}%>  
<%out.print("数据库操作成功!");%>  
<%rs.close();  
stmt.close();  
conn.close();  
%>  
</body>  
</html>
浏览后报错
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: An exception occurred processing JSP page /oracle.jsp at line 5

2: <%@ page import="java.sql.*"%> 
3: <html>  
4: <body>  
5: <%Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();  
6: String url="jdbc:oracle:thin:@192.168.1.110:1521:orcl"; 
7: //orcl涓轰綘鐨勬暟鎹簱鐨凷ID 
8: String user="sys"; 


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


root cause 

javax.servlet.ServletException: java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840)
org.apache.jsp.oracle_jsp._jspService(oracle_jsp.java:96)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)


root cause 

java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1533)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:126)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
java.lang.ClassLoader.loadClassInternal(Unknown Source)
java.lang.Class.forName0(Native Method)
java.lang.Class.forName(Unknown Source)
org.apache.jsp.oracle_jsp._jspService(oracle_jsp.java:67)
org.apache.jasper.runtime.HttpJspBase.