Spring报错：has been injected into other beans [xxx] in its raw version as part of a circular reference

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#BeanCurrentlyInCreationExcepti #circular reference #in its raw version as part of #Spring 循环依赖异常 #Spring 循环异常Circular reference

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博客围绕Spring循环依赖异常展开。启动项目时出现Spring报错，虽不影响使用，但报错信息为Bean循环引用。项目采用SSM结构、Spring全家桶4.3+，用@Autowired注解注入Service。问题原因是类间相互注入，解决办法是注入时增加@Lazy注解。

【Exception】Spring报错：Bean with name 'xxx' has been injected into other beans [xxx] in its raw version as part of a circular reference

一、问题描述

在启动项目时，遇到Spring报错，但不影响正常使用，经整理，报错信息如下：

org.springframework.beans.factory.BeanCurrentlyInCreationException: Error creating bean with name 'systemService': Bean with name 'systemService' has been injected into other beans [yeeDoctorsImpactService] in its raw version as part of a circular reference, but has eventually been wrapped. This means that said other beans do not use the final version of the bean. This is often the result of over-eager type matching - consider using 'getBeanNamesOfType' with the 'allowEagerInit' flag turned off, for example.

二、项目简述

1、 SSM结构， Spring 全家桶4.3+ 。

2、使用 @Autowired 注解注入需要用到的 Service 。

三、问题解决

1、原因： systemService 类中注入了 yeeDoctorsImpactService ，而在 yeeDoctorsImpactService 类中也注入了 systemService ，从而引起该异常。（循环引用）

2、解决： systemService 类注入 yeeDoctorsImpactService 时，增加注解 @Lazy ，反之同理。

3、@Lazy 注解路径为： org.springframework.context.annotation.Lazy 。

参考资料： https://blog.youkuaiyun.com/imzhiyang/article/details/51702317

Spring如何解决循环依赖的问题