[appengine-java] Re: ArrayIndexOutOfBoundsException when trying to persist an ArrayList of Objects which utilise inheritence

2011-08-09 Thread Rolf Aden
ach rather than have a > Car kind comprising of each different class. > > Thanks for the help so far though! > > On Aug 8, 10:44 am, Rolf Aden wrote: > > > > > > > > > It seems you are not using the latest sdk version (be something pre > > 1.5.1?).

[appengine-java] Re: ArrayIndexOutOfBoundsException when trying to persist an ArrayList of Objects which utilise inheritence

2011-08-08 Thread Rolf Aden
It seems you are not using the latest sdk version (be something pre 1.5.1?). As of release 1.5.1 polymorphic relationships are supported for the default inheritance strategy in JDO (new-table for the base class, and superclass-table for all subclasses) and JPA SingleTable. You may want to change Ca

[appengine-java] Re: NullPointerException in org.datanucleus.store.appengine.DatastoreTable

2011-08-08 Thread Rolf Aden
> 1.x (current is 3.x!) — the list of classes to autoload persistence > management for is just the class names or fully qualified names (I > mean, with packages)? > > On 5 srp, 15:13, Rolf Aden wrote: > > > > &g

[appengine-java] Re: NullPointerException in org.datanucleus.store.appengine.DatastoreTable

2011-08-05 Thread Rolf Aden
Looking at the comment in org.datanucleus.store.appengine.DatastoreManager.getDatastoreClass() could lead one to think, there are race conditions related to initializing the meta-data of persistent classes. Since your problem occurs only from time to time, it could point to the same direction. If

[appengine-java] Re: Persistence issue

2011-08-03 Thread Rolf Aden
Max, to isolate the problem, can you see your entities ("GiniChat") in the DataStore Viewer? Are you experiencing this problem with the development server or with the application on app engine? Rolf On 1 Aug., 02:22, max wrote: > hello, > > I'm facing a problem about the persistence of some of

[appengine-java] Re: JPA em.persist() saving old copies of nested Entity class

2011-07-21 Thread Rolf Aden
On 19 Jul., 17:18, Kesava Neeli wrote: > Hi, > Any one has suggestions to my issue? I've tried to reproduce your problem with the appengine-datanucleus 1.0.9 plugin, but with no success. The following tests are passing. Did I miss something? Can you modify the test to show what is going wrong