Re: [eclipselink-users] Optimistic Lock Exception expected

[Mathias Koehnke - Sun Microsystems <Mathias.Koehnke@xxxxxxx>]

Ok, I filed a bug for this issue.

Bug#: 272704

https://bugs.eclipse.org/bugs/show_bug.cgi?id=272704


James Sutherland wrote:
> Looking at the code, the merge() is not throwing an error for versioned
> objects that were deleted.  Please log a bug for this and post the id, so I
> can also vote for it.
>
>
> Mathias Koehnke - Sun Microsystems wrote:
> > Hi,
> >
> > Enclosed, you'll find the source code of the entity/main class and log 
> > output:
> >
> >
> > public class Main {
> >
> >      private static EntityManagerFactory emf;
> >
> >      public static void main(String[] args) {
> >  
> > JpaHelper.getServerSession(getEntityManagerFactory()).getProject().assumeExistenceForDoesExist();
> >
> >          SimpleEntity entity = new SimpleEntity();
> >          entity.setValue("entity");
> >
> >          //persist "entity" and create clone "entityCopy"
> >          EntityManager em1 = 
> > getEntityManagerFactory().createEntityManager();
> >          em1.getTransaction().begin();
> >          em1.persist(entity);
> >          em1.getTransaction().commit();
> >          SimpleEntity entityCopy = em1.find(SimpleEntity.class, 
> > entity.getId());
> >          em1.close();
> >
> >          //delete "entity" from database
> >          EntityManager em2 = 
> > getEntityManagerFactory().createEntityManager();
> >          em2.getTransaction().begin();
> >          entity = em2.merge(entity);
> >          em2.remove(entity);
> >          em2.getTransaction().commit();
> >          em2.close();
> >
> >          //merge clone "entityCopy" and commit
> >          EntityManager em3 = 
> > getEntityManagerFactory().createEntityManager();
> >          em3.getTransaction().begin();
> >          entityCopy = em3.merge(entityCopy);
> >          em3.lock(entityCopy, LockModeType.WRITE);
> >          em3.getTransaction().commit();
> >          em3.close();
> >      }
> >
> >      private static EntityManagerFactory getEntityManagerFactory() {
> >          if (emf == null) {
> >              emf = 
> > Persistence.createEntityManagerFactory("EclipseLinkTestPU");
> >          }
> >          return emf;
> >      }
>
>
> -----
> ---
> http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland 
> http://www.eclipse.org/eclipselink/
>  EclipseLink ,  http://www.oracle.com/technology/products/ias/toplink/
> TopLink 
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