[Hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1771) Broken Column Mapping on one-to-one with foreign-key

[ron p. (JIRA) <no...@at...>]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1771?page=comments#action_23143 ] 

ron piterman commented on HHH-1771:
-----------------------------------

It is now (to me) that the one-to-one is not possible, changed to many-to-one and it works.

PLEASE CLOSE.

> Broken Column Mapping on one-to-one with foreign-key
> ----------------------------------------------------
>
>          Key: HHH-1771
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1771
>      Project: Hibernate3
>         Type: Bug

>   Components: core
>     Versions: 3.1.3
>     Reporter: ron piterman
>  Attachments: bug.zip
>
>
> Here are the exception and the files:
> ( added comments on the xml to ease reading )
> org.hibernate.MappingException: broken column mapping for: parentStateState.state of: com.pvs.pmm.client.state.StateNodeImpl
> 	at org.hibernate.persister.entity.AbstractPropertyMapping.initPropertyPaths(AbstractPropertyMapping.java:122)
> 	at org.hibernate.persister.entity.AbstractPropertyMapping.initIdentifierPropertyPaths(AbstractPropertyMapping.java:183)
> 	at org.hibernate.persister.entity.AbstractPropertyMapping.initPropertyPaths(AbstractPropertyMapping.java:160)
> 	at org.hibernate.persister.entity.AbstractEntityPersister.initOrdinaryPropertyPaths(AbstractEntityPersister.java:1585)
> 	at org.hibernate.persister.entity.AbstractEntityPersister.initPropertyPaths(AbstractEntityPersister.java:1613)
> 	at org.hibernate.persister.entity.AbstractEntityPersister.postConstruct(AbstractEntityPersister.java:2610)
> 	at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:386)
> 	at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
> <class name="StateNodeState">
>   <composite-id name="id">
>     <key-many-to-one name="parentNode"/> <!-- class="StateNodeImpl" -->
>     <key-property name="stateName"/> <!-- type="String"-->
>   </composite-id>
>   <one-to-one name="state" foreign-key="state" class="StateNodeImpl"/>
> </class>
> public class StateNodeState {
> 	
> 	private StateNodeStatePK id;
> 	private StateNodeImpl state;
> // here come setters and getters...
> // ...
> }
> public class StateNodeStatePK implements Serializable {
> 	
> 	private StateNodeImpl parentNode;
> 	private String stateName;
> // here come setters and getters...
> // ...
> }
> <class name="StateNodeImpl" table="StateNode">
>   <id name="id"> <!-- Long -->
>     <generator class="foreign">
> 	<param name="property">parentStateState</param>
>     </generator>
>   </id>
>   <property name="stateName"/>
>   <property name="stateValue"/>
>   <one-to-one name="parentStateState" property-ref="state"/> <!-- class=StateNodeState -->
>   <many-to-one name="parentState"/> <!-- class="StateNodeImpl" -->
> </class>
> public class StateNodeImpl {
> 	private Long id;
> 	private String stateName;
> 	private Long stateValue;
> 	
> 	private StateNodeImpl parentState;
> 	private StateNodeState parentStateState;
>   // here comes auto generated setters and getters...
>   // ...
> }
> ---
> I also tried without it without the <generator class="foreign"> and the reverse one-to-one from StateNode to StateNodeState, the result was the same.

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