JRuby¶

High level concurrency using Akka actors and JRuby.

https://github.com/danielribeiro/RubyOnAkka

If you are using STM with JRuby then you need to unwrap the Multiverse control flow exception as follows:

begin
    ... atomic stuff
rescue NativeException => e
   raise e.cause if e.cause.java_class.package.name.include? "org.multiverse"
end

Groovy/Groovy++¶

https://gist.github.com/620439