无法将Spring xml配置转换为java配置

<bean id="exampleBean" class="com.example.ExampleBean">
    <property name="message" value="Hello, World!"/>
</bean>

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class AppConfig {

    @Bean
    public ExampleBean exampleBean() {
        ExampleBean bean = new ExampleBean();
        bean.setMessage("Hello, World!");
        return bean;
    }
}

import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.GenericApplicationContext;

public class XmlToJavaMigration {

    public static void main(String[] args) {
        GenericApplicationContext context = new AnnotationConfigApplicationContext();
        XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context);
        xmlReader.loadBeanDefinitions("classpath:applicationContext.xml");
        context.refresh();
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class AppConfig {

    @Bean
    public ExampleBean exampleBean() {
        return new ExampleBean(messageService());
    }

    @Bean
    public MessageService messageService() {
        return new MessageServiceImpl();
    }
}

class ExampleBean {
    private final MessageService messageService;

    @Autowired
    public ExampleBean(MessageService messageService) {
        this.messageService = messageService;
    }

    // getters and setters
}

interface MessageService {
    String getMessage();
}

class MessageServiceImpl implements MessageService {
    @Override
    public String getMessage() {
        return "Hello, World!";
    }
}