error due to accessing database connection using jsp

Hi,

I have an error, during accessing a datbase using jsp:useBean from jsp.Urgent i need this one
my source code is

DbBean.java

package SQLBean;
import java.sql.*;
import java.io.*;

public class DbBean implements java.io.Serializable{

private String dbDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
private Connection dbCon;

public DbBean(){
super();
}

public boolean connect() throws ClassNotFoundException,SQLException{
Class.forName(dbDriver);
dbCon = DriverManager.getConnection("jdbc dbc:mybean","","");
return true;
}

public void close() throws SQLException{
dbCon.close();
}

public ResultSet execSQL(String sql) throws SQLException{

Statement s = dbCon.createStatement();
ResultSet r = s.executeQuery(sql);
return (r == null) ? null : r;
}

public int updateSQL(String sql) throws SQLException{
Statement s = dbCon.createStatement();
int r = s.executeUpdate(sql);
return (r == 0) ? 0 : r;
}

}

database.jsp
<HTML>
<HEAD><TITLE>DataBase Search</TITLE></HEAD>
<BODY>

<%@ page language="Java" import="java.sql.*" %>

<jsp:useBean id="db" scope="application" class="SQLBean.DbBean" />

<jsp:setProperty name="db" property="*" />

<center>
<h2> Results from </h2>
<hr>
<br><br>
<table>

<%
db.connect();

ResultSet rs = db.execSQL("select * from employ");
int i = db.updateSQL("UPDATE employ set fname = 'hello world' where empno='000010'");
out.println(i);

%>

<%
while(rs.next()) {
%>
<%= rs.getString("empno") %>
<BR>
<%
}
%>
<BR>
<%

db.close();

%>

Done

</table>

</body>

</HTML>

The error like this

org.apache.jasper.JasperException: Unable to compile class for JSPNote: sun.tools.javac.Main has been deprecated.
error: Invalid class file format in C:\Program Files\Apache Tomcat 4.0\webapps\muthu\WEB-INF\classes\SQLBean\DbBean.class. The major.minor version '49.0' is too recent for this tool to understand.

An error occurred at line: 8 in the jsp file: /database.jsp

Generated servlet error:
C:\Program Files\Apache Tomcat 4.0\work\localhost\muthu\database$jsp.java:70: Class SQLBean.DbBean not found.
SQLBean.DbBean db = null;
^

An error occurred at line: 8 in the jsp file: /database.jsp

Generated servlet error:
C:\Program Files\Apache Tomcat 4.0\work\localhost\muthu\database$jsp.java:73: Class SQLBean.DbBean not found.
db= (SQLBean.DbBean)
^

An error occurred at line: 8 in the jsp file: /database.jsp

Generated servlet error:
C:\Program Files\Apache Tomcat 4.0\work\localhost\muthu\database$jsp.java:78: Class SQLBean.DbBean not found.
db = (SQLBean.DbBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "SQLBean.DbBean");
^
4 errors, 1 warning

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:285)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:552)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)

Anybody help me?
Thanx in advance

Plase do not post the same question more than once.