在springboot中捕获错误用户名和密码的SQL连接错误

<dependencies>
    <!-- Spring Boot JDBC -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
    </dependency>
    <!-- MySQL Connector -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
    </dependency>
</dependencies>

spring.datasource.url=jdbc:mysql://localhost:3306/mydatabase
spring.datasource.username=dbuser
spring.datasource.password=dbpassword

import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;

@Configuration
public class DataSourceConfig {

    @Bean
    public DataSource dataSource() {
        DataSourceBuilder dataSourceBuilder = DataSourceBuilder.create();
        dataSourceBuilder.url("jdbc:mysql://localhost:3306/mydatabase");
        dataSourceBuilder.username("dbuser");
        dataSourceBuilder.password("dbpassword");
        dataSourceBuilder.driverClassName("com.mysql.jdbc.Driver");
        dataSourceBuilder.type(HikariDataSource.class); // 使用Hikari连接池
        dataSourceBuilder.initialSize(5);
        dataSourceBuilder.maxPoolSize(10);
        return dataSourceBuilder.build();
    }
}

public class SQLConnectionException extends RuntimeException {
    public SQLConnectionException(String message) {
        super(message);
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Service;

@Service
public class UserService {

    private final JdbcTemplate jdbcTemplate;

    @Autowired
    public UserService(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }

    public void login(String username, String password) {
        try {
            // 执行数据库操作
            // ...
        } catch (DataAccessException e) {
            throw new SQLConnectionException("错误的用户名或密码");
        }
    }
}