异常 -- Spring Boot_org.hibernate.AnnotationException: No identifier specified for entity

最新推荐文章于 2024-01-31 01:26:01 发布

原创最新推荐文章于 2024-01-31 01:26:01 发布 · 603 阅读

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#SpringBoot #Mysql

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本文记录了在使用SpringBoot连接MySQL过程中遇到的错误及解决方法。主要问题是由于实体类中ID注解使用错误导致的，通过将Spring Data JPA的@Id更改为javax.persistence.Id，成功解决了问题。

之前那个问题解决了之后，又遇到了这个问题，真是多灾多难啊...心塞

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-07-11 22:41:42.596 ERROR 8656 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: No identifier specified for entity: com.server.bean.Girl
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1708)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:581)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1089)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:859)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)

再仔细对比下，之前写的代码，发现，导包导错了....

import org.springframework.data.annotation.Id;

正确的应该是：

import javax.persistence.Id;

改正之后，SpringBoot 连接MySQL 彻底没问题了......

代码，明天完善之后，在提交吧...

整理整理该睡觉了....