Springboot引入JPA，出现a bean named 'entityManagerFactory' that could not be found

本文转载自查看原文 2019-05-20 15:29 5831 错误/ jpa/ springboot

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APPLICATION FAILED TO START
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Description:

Field usuarioDao in es.uc3m.tiw.Controladores.Controlador required a bean named 'entityManagerFactory' that could not be found.

Action:

Consider defining a bean named 'entityManagerFactory' in your configuration.

因为是之前的项目, 现在报错, 网上说的删除maven仓库hibernate下的包, 试了也没用; 后来想是不是springboot版本问题,

于是在pom.xml文件中将

springboot的版本从

<version>2.1.1.RELEASE</version>

改成

<version>2.1.4.RELEASE</version>

项目即可运行...

另外一个错误

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APPLICATION FAILED TO START
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Description:

Field roleRepository in top.wujinxing.ch15jpa.controller.RoleController required a bean of type 'top.wujinxing.ch15jpa.dao.RoleRepository' that could not be found.

The injection point has the following annotations:
    - @org.springframework.beans.factory.annotation.Autowired(required=true)

Action:

Consider defining a bean of type 'top.wujinxing.ch15jpa.dao.RoleRepository' in your configuration.

Process finished with exit code 1

需要在项目入口添加

@ComponentScan(basePackages = "top.wujinxing.ch15jpa.dao")

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