Java新手，困扰了一下午。

　　发布时总是报这样一个错误。

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'XXX': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'XXX' must be of type [XXXX], but was actually of type [XXXXX]

at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:306)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1106)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'XXX' must be of type [XXXX], but was actually of type [XXXXX]

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:360)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:269)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)

最后找到原因：action中引用的包名，与spring bean注册文件中注册的包不一致，导致action没有引用到目标包，反而引用一个错误的包（旧包）。

解决方法：确定要引用的新的包名，在action中去掉无错的import，重新import新的包。

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