Thanks for the quick reply.  I'll give that a shot.

---- Wes Wannemacher <[EMAIL PROTECTED]> wrote: 
> 
> On Tue, 2008-11-18 at 19:36 -0600, [EMAIL PROTECTED] wrote:
> > Hello all,
> > 
> > I'm trying to teach myself OpenJPA and failing miserably...  
> > I have two entities (code below) where one contains a collection 
> > of the other.  The intent is for UserInfo to be able to contain 
> > a collection (or List) of an arbitrary number of UserProperties.  
> > The UserProperties are defined at run-time by data entered through 
> > the application.
> > 
> 
> I'm a bit of a newb myself, but I think you need to change your
> UserProperties like below -
> 
> 
> 
> @Entity
> @Table(name="userproperties")
> public class UserProperties implements Serializable {
> 
>       @Id
>       @Column(name="id", nullable=false)
>       @GeneratedValue(strategy=GenerationType.IDENTITY)
>       private Integer id;
>       
>       @ManyToOne(mappedBy="UserInfo", fetch=FetchType.LAZY)
>       @JoinColumn(name="user_id", referencedColumnName="id")
>       private UserInfo userInfo;
>

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