My suggestion: For datastore access use Objectify: http://code.google.com/p/objectify-appengine/
For your MVC framework go with AJAX/Javascript/HTML5 and use Backbone.js: http://documentcloud.github.com/backbone/ We've used Tapestry5 on App Engine before but without lazy loading and serious optimization you can have > 15 second cold starts. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/cKzdPhY0JPIJ. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.