Hi friends,
As you might have heard, Google has released support for Java on App Engine.
I've been part of a preview, and know that JRuby, Ruby on Rails and Merb works very well on it.
More information here: http://olabini.com/blog/2009/04/java-on-google-app-engine/ http://olabini.com/blog/2009/04/dynamic-languages-on-google-app-engine-an-overview/ http://olabini.com/blog/2009/04/jruby-on-rails-on-google-app-engine/
Cheers