jsp连接mysql失败

<%@ page import="java.sql.*" %>
<%
    Connection conn = null;
    try {
        // 加载驱动
        Class.forName("com.mysql.cj.jdbc.Driver");
        
        // 连接数据库
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "myuser";
        String password = "mypassword";
        conn = DriverManager.getConnection(url, user, password);
        
        // 执行查询等操作...
        
    } catch (ClassNotFoundException e) {
        out.println("驱动加载失败：" + e.getMessage());
    } catch (SQLException e) {
        out.println("数据库连接失败：" + e.getMessage());
    } finally {
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                out.println("关闭连接失败：" + e.getMessage());
            }
        }
    }
%>