JRuby is regarded as the most stable and efficient implementation of Ruby. Running JRuby on top of Google App Engine for Java gives access to many interesting possibilities, including running Rails on top of Google’s infrastructure. Exactly how to make this happen is not totally apparent, though, and there are several gotchas involved in the process. This presentation will introduce the pieces of JRuby needed to get everything working, what kind of customizations are needed, what you might need to avoid in Ruby to avoid getting in trouble with App …

In this session, Guillaume Laforge, Groovy project manager, will walk you through a rapid introduction to Groovy, to get you up-to-speed with this popular JVM language. Then, he will guide you throughout demos on how to build some Web 2.0 mashups in a few lines of Groovy code, as well as how to deploy Grails application in the cloud. He’ll then close the session showing you various ways you can leverage Groovy to even further streamline and simplify the development of App Engine applications, thanks to several tips and tricks …

In this session we’ll introduce you to Java support for Google App Engine. You’ll learn how App Engine scales Java applications and about the services it provides to help your application leverage Google’s infrastructure. We will demonstrate App Engine’s support for popular Java tools, and we’ll discuss techniques for debugging and profiling your application. Finally, we will cover some current limitations of App Engine, and show you some techniques to work around them.

Chris Read will give us the potted history of how we arrived at Cloud Computing when so many similar initiatives failed to take off. He will also outline what makes GAE/J different from other Cloud technologies. While getting your first Java application working on GAE/J will probably only take you ten minutes Ola Bini will explain some of the differences you need to take into account between regular Java Web development and development on GAE/J. He will also look at how GAE/J and JRuby allows you combine the power of …

This video introduces the latest features of App Engine, including an early look at Java language support. Andrew Bowers will walk through the development of a sample Java application, from creation to deployment.