java不能捕获mysql异常

try {
    // 数据库连接和操作代码
} catch (SQLException e) {
    // 异常处理逻辑
    e.printStackTrace();
}

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class MySQLExample {
    public static void main(String[] args) {
        Connection conn = null;
        Statement stmt = null;
        try {
            // 加载数据库驱动
            Class.forName("com.mysql.cj.jdbc.Driver");
            // 建立数据库连接
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydatabase", "username", "password");
            // 创建Statement对象
            stmt = conn.createStatement();
            // 执行SQL语句
            String sql = "SELECT * FROM mytable";
            stmt.executeQuery(sql);
        } catch (ClassNotFoundException e) {
            // 处理驱动加载异常
            e.printStackTrace();
        } catch (SQLException e) {
            // 处理SQL异常
            e.printStackTrace();
        } finally {
            // 关闭资源
            try {
                if (stmt != null) stmt.close();
                if (conn != null) conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}