APPLICATION FAILED TO START

错误信息

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APPLICATION FAILED TO START

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Description:

The bean 'dataSource', defined in BeanDefinition defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class], could not be registered. A bean with that name has already been defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class] and overriding is disabled.

Action:

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

解决方案1：
SpringBoot和SpringCloud的版本不兼容造成。

解决方案2：
spring.main.allow-bean-definition-overriding=true

解决方案3：
Maven错误