[appengine-java] NPE trying to create JPA EntityManagerFactory in integration tests

2009-12-01 Thread Felipe Cypriano
in datanucleos jpa EntityManagerFactoryImpl? Any advice that help me to find how to solve the problem is very welcome, for example what line 452 of EntityManagerFactoryImpl expects? Regards, Felipe Cypriano -- You received this message because you are subscribed to the Google Groups Google App

[appengine-java] Re: jdo on app engine

2009-12-01 Thread Felipe Cypriano
I don't know about any jdo tool. And how would you generate a class from a schema-less datastore like Google's BigTable? You can use ID as Long, yes. But you need Key object when need to do atomic transaction between multiple entities. To understand it you *must* read all the topics about the

[appengine-java] Re: Is it possible to implement Open EntityManager in View to avoid JDODetachedFieldAccessException?

2009-11-30 Thread Felipe Cypriano
Thanks, Using these properties solve the problem. On 28 nov, 08:09, datanucleus andy_jeffer...@yahoo.com wrote: I'm using Spring therefore I tried to configure the OpenEntityManagerInViewInterceptor, if this works as it's supposed to I shouldn't get JDODetachedFieldAccessException anymore,

[appengine-java] Is it possible to implement Open EntityManager in View to avoid JDODetachedFieldAccessException?

2009-11-27 Thread Felipe Cypriano
Hello, I'm very new to app-engine but I'm used to JPA and I can't find a way to use Open EntityManager in View with app-engine and JPA. My code is structured like this: DomainDAO - This is where I access the datastore through JPA DomainService - Some business logic before saving DomainController