Can I use JPA 2.0(e.g EclipseLink) with Google App Engine?
A:
The DataNucleus plugin to the Google AppEngine supports both the JDO and JPA API to access Google AppEngine Datastore infrastructure. Currently this implementation seems to support JPA1 only.
Ralf Edmund
2010-01-11 21:50:36
A:
No, you can't use any implementation on GAE and they only support JPA 1.0. Quoting Using JPA with App Engine:
The App Engine Java SDK includes an implementation of JPA 1.0 for the App Engine datastore. The implementation is based on DataNucleus Access Platform.
Pascal Thivent
2010-01-11 21:51:15