带有 JPA 的 Spring Boot：将 @Entity 移动到不同的包
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Spring Boot w/ JPA: move @Entity to different package
提问by Stefan K.
I'm having trouble with my first steps using Spring-Boot with JPA. I've started with a pretty minimalistic example from Gitusing Gradle.
我在使用带有 JPA 的 Spring-Boot 的第一步时遇到了问题。我从使用 Gradle 的Git 中的一个非常简约的示例开始。
Now simply moving Customerto another package, let's say to hello2results in an exception Caused by: java.lang.IllegalArgumentException: Not an managed type: class hello2.Customer. I tried to add
现在简单地移动Customer到另一个包，让我们说 to hello2results in an exception Caused by: java.lang.IllegalArgumentException: Not an managed type: class hello2.Customer。我试着添加
@ComponentScan(basePackageClasses= {Customer.class}) // AND OR
@EnableJpaRepositories(basePackageClasses= {Customer.class})
@ComponentScan(basePackageClasses= {Customer.class}) // AND OR
@EnableJpaRepositories(basePackageClasses= {Customer.class})
to Application, but without success.
到Application，但没有成功。
What am I doing wrong?
我究竟做错了什么？
回答by axtavt
Location of entities in Spring Boot can be configured using @EntityScan.
Spring Boot 中实体的位置可以使用@EntityScan.
By default, @EnableAutoConfigurationenables entity scanning in the package where it's placed (if it's not a default package).
默认情况下，@EnableAutoConfiguration在放置实体的包中启用实体扫描（如果它不是默认包）。
回答by tranductrinh
You must locate entities and repositories pakages by using
您必须使用以下命令定位实体和存储库包
@EnableJpaRepositories(basePackages = "your.repositories.pakage")
@EntityScan(basePackages = "your.entities.pakage")
回答by bhaskar babu
this is what worked for me :
这对我有用：
@EnableJpaRepositories(basePackages ={ "package1","package2"})
@EntityScan(basePackages ={ "package3","package4"})
回答by Ashutosh S
Giving same package location (i.e base package) for below annotation worked for me :-
为以下注释提供相同的包位置（即基本包）对我有用：-
@SpringBootApplication(scanBasePackages = {"org.ashu.java.*"})
@EnableJpaRepositories(basePackages ={ "org.ashu.java.*"})
@EntityScan(basePackages ={ "org.ashu.java.*"})
