Hi Kevin, Thanks for this link, I got things working by setting <property name="openjpa.DetachState" value="fetch-groups"/>. I dont really understand why I need this, The 'loaded' value seemed like it should have had the proper functionality.
thanks again, -chris Kevin Sutter wrote: > > Detecting null fields during re-attachment is tricky. How do you know if > the field was null'd out explicitly, or if it was never filled in in the > first place? OpenJPA has attempted to provide the facilities for > detecting > these conditions [1]. In the referenced section, it discusses how you can > configure your application to do the "proper" amount of detection. As you > will read, there may be some performance concerns with some of the > processing, so you have to evaluate your application's requirements before > just blindly turning these options on or off. > > [1] > http://openjpa.apache.org/builds/1.2.1/apache-openjpa-1.2.1/docs/manual/manual.html#ref_guide_detach > > On Wed, Jul 8, 2009 at 11:24 AM, Daryl Stultz <[email protected]> wrote: > >> On Wed, Jul 8, 2009 at 9:05 AM, Rick Curtis <[email protected]> wrote: >> >> > Chris- >> > >> > You may want to try adding a @Version field to your Entity. >> > >> >> I've overcome the problem without any @Version annotations (and no >> LockManager). I'm still interested in the cause of the Chris's problem. >> As >> well, an explanation of why @Version would fix things would be helpful. >> >> -- >> Daryl Stultz >> _____________________________________ >> 6 Degrees Software and Consulting, Inc. >> http://www.6degrees.com >> mailto:[email protected] >> > > -- View this message in context: http://n2.nabble.com/null-values-not-updating-tp3224059p3267455.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
