3 Replies Latest reply on Jun 3, 2008 5:49 PM by infinity2heaven

    Setting Hibernate NamingStrategy

    smoof
    smoof Jun 3, 2008 2:16 PM

      Hi,


      I am trying to use an @Embedded Component multiple times in a class 


      @Entity
@Name("myentity")
public class MyEntity extends AbstractEntity  {
     @AttributeOverride(name = "value", column = @Column(name = "component_value_1"))
     private Component c1;

     @Embedded
     @AttributeOverride(name = "value", column = @Column(name = "component_value_2"))
     private Component c2;

[...]
}



      but this always results in a 

      org.hibernate.MappingException: Repeated column in mapping for entity MyEntity

      I've read that using a different Hibernate NamingStrategy like 
      org.hibernate.cfg.DefaultComponentSafeNamingStrategy

      would fix this. I know I'm supposed to set this in persistence.xml but I can't seem to get it right...


      I tried 


      <property name="hibernate.naming_strategy" 
value="org.hibernate.cfg.DefaultComponentSafeNamingStrategy"/>



      and countless variations like namingStrategy, org.hibernate.ejb.HibernatePersistence.naming_strategy and many more, but I can't seem to make this work... How is this set correctly? Or is there another solution to using multiple same components in a class?


      Any help would be greatly appreciated!