No identifier specified for entity

「爱情、让人受尽委屈。」 2023-10-17 23:17 19阅读 0赞

> Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.  
> 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.anyservers.sell.dataobject.OrderDetail  
> at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1706)  
> at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:579)  
> at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501)  
> at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)  
> at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)  
> 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)  
> at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)  
> at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)  
> at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255)  
> at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243)  
> at com.anyservers.sell.SellApplication.m、ain(SellApplication.java:11)

原因：OrderDetail类未在主键上加@Id注解

解决：

>     Entity
>     @DynamicUpdate
>     @Data
>     public class OrderDetail {
>     
>         //详情ID
>         @Id
>         private String detailId;
>     
>         //订单ID
>         private String orderId;