[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2712) OneToOne mapping with PrimaryKeyJoinColumn and CascadeType.ALL throws IdentifierGenerationException

[Chris Federowicz (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_28994 ] 

Chris Federowicz commented on HHH-2712:
---------------------------------------

I had the same problem and found a solution that worked for me here: http://www.i-proving.ca/space/Technologies/Hibernate/Hibernate+Annotation+Examples/One+to+One+Mapping


The key for me was the PK mapping for the secondary entity:

@Id @GeneratedValue(generator="foreign")
  @GenericGenerator(name="foreign", strategy = "foreign", parameters={
    @Parameter(name="property", value="person")
  })
  public Long getId() {
    return this.id;
  }

In their example, Person is the primary entity and Patient is the secondary.  Basically I just took these annotations and changed "person" to the property name of my own OneToOne mapping back to my primary entity.



> OneToOne mapping with PrimaryKeyJoinColumn and CascadeType.ALL throws IdentifierGenerationException
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HHH-2712
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2712
>             Project: Hibernate3
>          Issue Type: Bug
>         Environment: Hibernate 3.2.4, Annotations 3.3.0
>            Reporter: Colin Smith
>
> Customer has a 1-1 mapping with CustomerRiskProfile. 
> 	@Id
> 	@GeneratedValue(strategy = GenerationType.TABLE, generator = "SEQUENTIAL_HILO_GENERATOR")
> 	private Long id;
> 	@OneToOne(cascade = CascadeType.ALL)
> 	@PrimaryKeyJoinColumn
> 	private CustomerRiskProfile customerRiskProfile;
> CustomerRiskProfile has:
> 	@Id
> 	private Long id;
> 	@OneToOne(mappedBy = "customerRiskProfile")
> 	private Customer customer;
> If I create a new Customer and a new CustomerRiskProfile, associate the two, then call session.save(customer), I get:
> org.springframework.orm.hibernate3.HibernateSystemException: ids for this class must be manually assigned before calling save(): com.cantorcfds.domain.CustomerRiskProfile; nested exception is org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.cantorcfds.domain.CustomerRiskProfile
> Caused by: org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.cantorcfds.domain.CustomerRiskProfile
> 	at org.hibernate.id.Assigned.generate(Assigned.java:33)
> 	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:99)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
> 	at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
> 	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
> 	at org.hibernate.engine.CascadingAction$1.cascade(CascadingAction.java:218)
> 	at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
> 	at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
> 	at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
> 	at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
> 	at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)
> 	at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:334)
> 	at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
> 	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:121)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
> 	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
> 	at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
> 	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
> 	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:495)
> 	at org.springframework.orm.hibernate3.HibernateTemplate$16.doInHibernate(HibernateTemplate.java:689)
> 	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:372)
> 	at org.springframework.orm.hibernate3.HibernateTemplate.saveOrUpdate(HibernateTemplate.java:686)
> 	at com.cantorcfds.dao.HibernateCustomerDao.save(HibernateCustomerDao.java:36)
> 	at com.cantorcfds.domain.TestSchemaLoad.testDataLoad(TestSchemaLoad.java:33)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:40)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
> I would expect Hibernate to generate the Id for the Customer AND the CustomerRiskProfile before trying to save anything?

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