Have you seen datanucleus-appengine issue 28 (Cannot add child to
existing one-to-many if parent has Long or unencoded String pk)? Might
this issue relate to your problem?
I encountered this in the past and had to change the data type of the
child persistent entity primary key to work around this issue.
On Oct 9, 7:59 pm, lisandrodc <lisandr...@gmail.com> wrote:
> Hi! I have a problem with persist a child class, using inheritance.
> When I call the method "makePersistent", in the datastore, the object
> doesn't save.
> It does not throw any exception.
> The code at makePersistent and the classes are:
>
> public void crearRegFechaUsuario(Usuario usu,RegFechaUsuario
> rFechUsuario) {
>
> Transaction tx = pm.currentTransaction();
> try {
> tx.begin();
> //rFechUsuario is the child class at persist
> pm.makePersistent(rFechUsuario);
> tx.commit();
> } finally {
> pm.close();
> if (tx.isActive()) {
> tx.rollback();
> }
> }
>
> }
>
> @Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)
> public abstract class Fecha {
> ...
>
> @PersistenceCapable(identityType =
> IdentityType.APPLICATION,detachable="true")
> //The class with problem at persist
> public class RegFechaUsuario extends Fecha {
>
> @Persistent
> .......
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