In this post I'm going to show a simple fully integrated CRUD style application working on Google Application Engine. The technologies used are : JSF 2.0 - Mojarra 2.0.2Spring 3.0.0.RELEASE Spring Security 3.0.0.RELEASE Hibernate Validator 4.0.2.GA as reference implementation of JSR 303: Bean ValidationAspectJ 1.6.7Groovy and the gmaven-plugin You can see a live demo at : http://sandcode.appspot.c