Hi Ikai, The issue was with the order in which I was invoking persistence. Thanks. Its resolved now.
-Ic On Nov 21, 2:53 am, "Ikai L (Google)" <[email protected]> wrote: > Can you post code? My assumption is that you are using JSP dispatch. Child > objects are lazy loaded, so if this is what you are doing: > > 1. Fetch persistence manager instance > 2. Make query on parent object > 3. Store query results in a request attribute > 4. Close persistence manager > 5. dispatch.forward() to JSP > 6. Iterate over entities and retrieve related entities > > This won't work. You'll have to retrieve the related entities before the > persistence manager has closed. > > > > On Fri, Nov 20, 2009 at 5:58 AM, Icarus <[email protected]> wrote: > > Hello, > > > I am trying to get a m:n unowned relation working on google java app > > engine datastore. In the test cases, I am able to commit to datastore > > through persistence manager and get back the data. But when I do the > > same on a jsp page , the list<Key> of the related entity is always > > null ( when I retrieve the other related entity from datastore.) > > > Is anyone facing similar issue ? I used the google datastore docs for > > reference for this. > > > Thanks, > > Ic > > > -- > > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this group, send email to > > [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<google-appengine-java%[email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine-java?hl=. > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
