Try upgrading your hibernate version from 3.3.1.ga to 3.3.2.GA.
Derek, can you look into upgrading the archetype to this release as
well? I recall 3.3.1.ga having some packaging issues.
--Bryan
On Wed, Jun 24, 2009 at 6:29 PM, David Persons<dhwpers...@gmail.com> wrote:
>
> Thanks for all the answers guys.
>
> I managed to fix the id problem, I needed the Hibernate specific class
> GenericGenerator to fix it, which of cource is less pretty then using
> only JPA. Someone has an example of how to make it work with MySql and
> only JPA annotations? Current version:
>
> @Entity
> class Scene {
> �...@id
> �...@genericgenerator{val name="hibernate-increment", val
> strategy="increment"}
> �...@generatedvalue{val strategy = GenerationType.SEQUENCE, val
> generator = "hibernate-increment"}
> var id : Long = _
>
> �...@column{val unique = true, val nullable = false}
> var ordering : Int = _
>
> �...@column{val unique = true, val nullable = false}
> var name : String = ""
>
> �...@manytoone{val optional = false}
> var storyBoard : StoryBoard = _
> }
>
> However, now I get an org.hibernate.PropertyValueException: not-null
> property references a null or transient value:
> model.Scene.storyBoard :-s I tried a lot of things already, the
> corresponding StoryBoard is saved and not null, so I guess it has to
> be transient. Merging the StoryBoard however still gives the same
> error..
>
> I tried to get JPA and Lift working together in the same way as in the
> JPADemo example.. Is it the use of MySql which prevents the example
> from working for me?
>
> regards,
> David
>
> On 23 jun, 00:54, Derek Chen-Becker <dchenbec...@gmail.com> wrote:
>> Also, what does the schema for the entity's table look like?
>>
>> On Mon, Jun 22, 2009 at 4:54 PM, Derek Chen-Becker
>> <dchenbec...@gmail.com>wrote:
>>
>> > Mind posting the snippet of code where you're saving the instance? A merge
>> > should interpret a null ID as a fresh instance, and a persist should just
>> > save it.
>>
>> > Derek
>>
>> > On Mon, Jun 22, 2009 at 1:50 PM, David Persons <dhwpers...@gmail.com>wrote:
>>
>> >> I am using MySql (5). After setting the hibernate.dialect to
>> >> org.hibernate.dialect.MySQLDialect in my persistence.xml file, I get a
>> >> org.hibernate.AssertionFailure: null id :-s
>>
>> >> cheers
>>
>> >> On 22 jun, 19:18, Derek Chen-Becker <dchenbec...@gmail.com> wrote:
>> >> > That's not accurate, at least with Hibernate. By putting the annotations
>> >> on
>> >> > vars, the compiler ends up putting them on the internal fields, which
>> >> then
>> >> > forces Hibernate into a field-based persistence model and not a
>> >> > getter/setter based one. The SQLGrammarException is most likely what the
>> >> > other people have said. If you're in Oracle or PostgreSQL, for instance,
>> >> you
>> >> > need a sequence set up for the auto identity model. What database are
>> >> you
>> >> > using?
>>
>> >> > Derek
>>
>> >> > On Mon, Jun 22, 2009 at 8:54 AM, Eric Bowman <ebow...@boboco.ie> wrote:
>>
>> >> > > David Persons wrote:
>> >> > > > Hello guys,
>>
>> >> > > > I get a org.hibernate.exception.SQLGrammarException: could not get
>> >> or
>> >> > > > update next value error everytime I try to save the following
>> >> Entity:
>>
>> >> > > > @Entity
>> >> > > > class Scene {
>> >> > > > @Id
>> >> > > > @GeneratedValue(){val strategy = GenerationType.AUTO}
>> >> > > > var id : Long = _
>>
>> >> > > > @Column{val unique = true, val nullable = false}
>> >> > > > var ordering : Int = _
>>
>> >> > > > @Column{val unique = true, val nullable = false}
>> >> > > > var name : String = ""
>>
>> >> > > > @ManyToOne{val optional = false}
>> >> > > > var storyBoard : StoryBoard = _
>> >> > > > }
>>
>> >> > > You almost certainly need some scala.reflect.BeanProperty annotations
>> >> on
>> >> > > your fields.
>>
>> >> > > cheers,
>> >> > > Eric
>>
>> >> > > --
>> >> > > Eric Bowman
>> >> > > Boboco Ltd
>> >> > > ebow...@boboco.ie
>> >> > >http://www.boboco.ie/ebowman/pubkey.pgp
>> >> > > +35318394189/+353872801532<
>> >>http://www.boboco.ie/ebowman/pubkey.pgp%0A+35318394189/+353872801532>
>
> >
>
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