On Tue, Nov 22, 2011 at 1:43 PM, <forums_at_java.net> wrote:
> I am using GF 2 and container managed persistence with Hibernate 3.2 as
> provider. I have some finder method in my business logic, which manipulates
> some persistent entities, which have been fetched via the EntityManager.
> The
> manipulation is just changing a String property (deleting an element from a
> collection leads to the same effect). I do not call anything like save or
> persist on my EntityManager. I just want to return some changed entities to
> my client.
>
In this case, just before you do any modifications, call
entityManager.detach(theEntity). That will fix your problem, but you won't
understand why unless you read the JPA specification, which is probably a
good idea anyway. :-)
Best,
Laird
--
http://about.me/lairdnelson