[appengine-java] One to many with JPA

[Richard]

Hi guys,

  I try to persist a one to many relationship but I get the following
error (It's my first app):

Caused by: java.lang.IllegalStateException: Field
"fr.beasymptotic.bookmark.client.model.BookmarkUser.bookmarks"
contains a persistable object that isnt persistent, but the field
doesnt allow cascade-persist!


What's wrong here :

@Entity
public class Bookmark implements Serializable {
    /**
     *
     */
    private static final long serialVersionUID =
-5148690849535943792L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Extension(vendorName="datanucleus", key="gae.encoded-pk",
value="true")
    private String id;

    @Basic
    private String link;
    @Basic
    private String shortName;

...

}



@Entity
public class BookmarkUser implements Serializable {
    /**
         *
         */
    private static final long serialVersionUID =
-4970721952298475845L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @Basic
    private String userUIDFromGoogle;

    @Basic
    private List<Bookmark> bookmarks;
...

}

Thanks,
Richard

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