XML：

sgtPeppers的bean配置在JavaConfig中：

package com.soundsystem; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class CDConfig { @Bean public CompactDisc sgtPeppers(){ return new SgtPeppers(); } }

执行后报错：
警告: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cdPlayer' defined in class path resource [META-INF/spring/cdplayer-config.xml]: Cannot resolve reference to bean 'sgtPeppers' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'sgtPeppers' available
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cdPlayer' defined in class path resource [META-INF/spring/cdplayer-config.xml]: Cannot resolve reference to bean 'sgtPeppers' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'sgtPeppers' available

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'sgtPeppers' available

IDEA显示是绿色的，但是为什么找不到