* Sample 3 : Call a JRuby script to obtain a object (thread
* subclass defined in JRuby script)
*/
System.out.println("###SAMPLE 3");
scriptContext.removeAttribute("param_from_java",
ScriptContext.ENGINE_SCOPE);
scriptReader = new FileReader(
"JRubyScripts/test_param_ruby_java_with_return.rb");
obj = rubyEngine.eval(scriptReader, scriptContext);
Thread thread = (Thread) obj;