springboot报错:A bean with that name has already been defined in file

springboot报错:A bean with that name has already been defined in file 

Action ：

Consider renaming one of the beans or enabling overriding by setting spring.main.allow-bean-definition-overriding=true

解决办法：在application.properties中添加如下一句话：

spring.main.allow-bean-definition-overriding=true

完美解决