public class JRubyScriptEngineManager
This is a substitute of javax.script.ScriptEngineManager.
With this script engine manager, you can avoid two known troubles. One this
happens on OS X JDK 5 which tries to load AppleScriptEngine and ends up in the
exception. Another one happens when you use livetribe version of javax.script
and GLOBAL_SCOPE. The livetribe javax.script has a bug to handle GLOBAL_SCOPE.