请问下面这些异常需要处理吗？哪里有错误

import java.sql.*;
import java.util.HashMap;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Scanner;

public class Test04 {
    public static void main(String[] args) {
       
        //初始化一个界面
        Map<String,String> userLoginInfo = initUI();
        //验证用户名和密码
        boolean loginSuccess = login(userLoginInfo);
        //输出结果
        System.out.println(loginSuccess ? "登陆成功" : "登陆失败");
    }

    /**
     * 用户登录
     * @param userLoginInfo 用户登录信息
     * @return false表示失败，true表示成功
     */
    private static boolean login(Map<String, String> userLoginInfo) {
        //打标记
        boolean loginSuccess = false;
        //单独定义变量
        String loginName = userLoginInfo.get("loginName");
        String loginPwd = userLoginInfo.get("loginPwd");
        //JDBC代码
        //获取资源绑定器对象
        ResourceBundle bundle = ResourceBundle.getBundle("jdbc");
        String driver = bundle.getString("driver");
        String url = bundle.getString("url");
        String user = bundle.getString("user");
        String password = bundle.getString("password");
        ResultSet rs = null;
        Statement stmt = null;
        Connection conn = null;
        try {
            //1.注册驱动
            Class.forName(driver);
            //2.获取连接
            conn = DriverManager.getConnection(url, user, password);
            //3.获取数据库操作对象
            stmt = conn.createStatement();
            //4.执行sql
            rs = stmt.executeQuery("select * from t_user where loginName = '"+loginName+"' and loginPwd = '"+loginPwd+"'");
            //5.处理结果集
            if (rs.next()){
                //登陆成功
                loginSuccess = true;
            }

            //6.释放资源
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            if (rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (stmt != null) {
                try {
                    stmt.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (conn != null) {
                try {
                    conn.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
        return loginSuccess;
    }

    /**
     *初始化用户界面
     * @return 用户输入的用户名和密码等登录信息
     */
    private static Map<String, String> initUI() {
        Scanner s = new Scanner(System.in);
        //得用户名
        System.out.println("用户名：");
        String loginName = s.nextLine();
        //得密码
        System.out.println("密码：");
        String loginPwd = s.nextLine();
        //将数据组装到Map集合中
        Map<String,String> userLoginInfo = new HashMap<>();
        userLoginInfo.put("loginName",loginName);
        userLoginInfo.put("loginPwd",loginPwd);
        //返回值
        return userLoginInfo;
    }


}

结果：

java.sql.SQLSyntaxErrorException: Unknown column 'loginName' in 'where clause'
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
    at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1198)
    at Test04.login(Test04.java:47)
    at Test04.main(Test04.java:13)
登陆失败

Process finished with exit code 0
 

列名不存在或者在数据库找不到，先查看数据库 ，检查sql语句是不是错误

这错误提示还不够明显吗。用点心吧。java.sql.SQLSyntaxErrorException: Unknown column 'loginName' in 'where clause'