jsp 초보 검색 부분을 만들다가 오류가 나왔습니다.

<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Statement"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>여기에 제목을 입력하십시오</title>
</head>
<body>
<%
String artist = request.getParameter("artist");
String title = request.getParameter("title");

Connection conn = null;
Statement stmt = null;

try{
  Class.forName("com.mysql.jdbc.Driver");
  conn = DriverManager.getConnection("jdbc:mysql://localhost:8888mdb","mdb","1234");
  if(conn==null)
   throw new Exception("DB연결 실패");
   stmt=conn.createStatement();
   ResultSet rs = stmt.executeQuery("select*from mdb where artist='"+artist+"'");

   if(!rs.next()){
    out.println("해당하는것 없음");
   }else{
    rs.previous();
   }
   while(rs.next()){
    String artistt = rs.getString("artist");
    out.print("artist"+artistt);
   }
}finally{

}
%>
</body>
</html>

DB에 있는 내용을 이용해서 검색을 참조 하면서 해보았는데 어디서 부터 생긴 오류인지 ...

Driver 부분인거 같은데 도통 모르겠네요 ㅠㅠ