[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-5695) Hibernate complains about an unknown mappedBy property when mapping a bidirectional OneToOne relation with a derived identifier

[Gail Badner (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gail Badner updated HHH-5695:
-----------------------------

    Fix Version/s:     (was: 3.6.1)
                   3.6.next

> Hibernate complains about an unknown mappedBy property when mapping a bidirectional OneToOne relation with a derived identifier
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-5695
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5695
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: entity-manager
>    Affects Versions: 3.5.0-Final, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.6.0.Beta1, 3.6.0.Beta2, 3.5.5, 3.6.0.Beta3, 3.6.0.Beta4, 3.5.6, 3.6.0.CR1, 3.6.0.CR2, 3.6.0
>         Environment: Hibernate 3.5+, any database.
>            Reporter: Pascal Thivent
>            Assignee: Gail Badner
>             Fix For: 3.6.next, 4.0.0.Alpha1
>
>         Attachments: HHH-5695.zip
>
>
> I have a OneToOne mapping between Foo and Bar where Bar uses a derived identifier. So Bar is the "dependent" entity and has a single primary key attribute which is mapped by the relationship attribute (i.e. using `Id` on the `OneToOne` relationship).
> Foo is mapped like this:
>   
> {code}
> @Entity
> public class Foo {
>     @Id @GeneratedValue
>     private Long id;
>     private String name;
>     @OneToOne(mappedBy="foo", cascade=CascadeType.ALL)
>     private Bar bar;
>     public Long getId() {
>         return id;
>     }
>     //...
> }
> {code}
> and Bar:
> {code}
> @Entity
> public class Bar {
>     @Id
>     @OneToOne
>     @JoinColumn(name="BAR_ID")
>     private Foo foo;
>     //...
> }
> {code}
> This mapping is described in the section 2.4.1.2 of the JPA 2.0 specification, Example 4, case (a) and works with the RI (run {{mvn test -Peclipselink,h2}} on the attached project).
> However, Hibernate fails to initialize and complains about the mappedBy attribute:
> {code}
> Caused by: org.hibernate.AnnotationException: Unknown mappedBy in: com.acme.Foo.bar, referenced property unknown: com.acme.Bar.foo
> 	at org.hibernate.cfg.OneToOneSecondPass.doSecondPass(OneToOneSecondPass.java:159)
> 	at org.hibernate.cfg.Configuration.originalSecondPassCompile(Configuration.java:1686)
> 	at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1393)
> 	at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1345)
> 	at org.hibernate.ejb.Ejb3Configuration.buildMappings(Ejb3Configuration.java:1477)
> 	at org.hibernate.ejb.EventListenerConfigurator.configure(EventListenerConfigurator.java:193)
> 	at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:1096)
> 	at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:278)
> 	at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:362)
> 	... 24 more
> {code}
> Run {{mvn test}} to reproduce.

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