org.hibernate.AnnotationException:没有为实体指定标识符 - 即使它是 [英] org.hibernate.AnnotationException: No identifier specified for entity - even when it was
问题描述
我有以下配置:
< bean id =entityManagerFactory
class =org。 springframework.orm.jpa.LocalContainerEntityManagerFactoryBean>
< property name =dataSourceref =jpaDataSource/>
< property name =jpaVendorAdapter>
< bean class =org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter/>
< / property>
< property name =jpaProperties>
<道具>
< prop key =hibernate.dialect> org.hibernate.dialect.MySQLDialect< / prop>
< prop key =hibernate.show_sql> true< / prop>
< /道具>
< / property>
< property name =packagesToScan>
< list>
<值> com.example.domain< /值>
<值> com.example.repositories< /值>
< / list>
< / property>
< / bean>
我在com.example.domain中有我的Geoname类:
@Entity
@Table(name =geonames)
公共类Geoname实现Serializable {
@Id
@Column(name =geonameid)
private Long geonameid = null;
}
但是,当运行时,我收到以下异常:
引起:org.hibernate.AnnotationException:没有指定标识符
为实体:com.example.domain.Geoname为
org。 hibernate.cfg.InheritanceState.determineDefaultAccessType(InheritanceState.java:277)
at
org.hibernate.cfg.InheritanceState.getElementsToProcess(InheritanceState.java:224)
at
org。 hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:664)
at
org.hibernate.cfg.Configuration $ MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3449)
at
org.hibernate.cfg.Configuration $ MetadataSourceQueue.processMetadata(Configuration.java:3403)
at
org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1330)
at
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1730)
$ b 注意:我在这个项目中将mongodb和hibernate / mysql结合在一起。
我有以下内容:
import org.springframework.data.annotation。 ID;
当然,它应该是:
import javax.persistence.Id;
感谢@JB Nizet
I have the following configuration:
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="jpaDataSource" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
</property>
<property name="jpaProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="packagesToScan">
<list>
<value>com.example.domain</value>
<value>com.example.repositories</value>
</list>
</property>
</bean>
I have my Geoname class in com.example.domain:
@Entity
@Table(name="geonames")
public class Geoname implements Serializable {
@Id
@Column(name="geonameid")
private Long geonameid = null;
}
yet, when running, I get the following exception:
Caused by: org.hibernate.AnnotationException: No identifier specified for entity: com.example.domain.Geoname at org.hibernate.cfg.InheritanceState.determineDefaultAccessType(InheritanceState.java:277) at org.hibernate.cfg.InheritanceState.getElementsToProcess(InheritanceState.java:224) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:664) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3449) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processMetadata(Configuration.java:3403) at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1330) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1730)
Any ideas why?
side note: I am combining both mongodb and hibernate/ mysql on this project.
I had the following
import org.springframework.data.annotation.Id;
Naturally, it should be:
import javax.persistence.Id;
Thanks to @JB Nizet
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