dummy-jrubyfx-error1

❯ jrubyfx-generator Dummy.fxml Dummy.rb Dummy                                                                        ✹ ✭
Generating JRubyFX template for Dummy.fxml into Dummy.rb... Done!
Launching 'jruby Dummy.rb' ...
Exception running Application:
#<NoMethodError: undefined method `int' for RubyWrapperBeanAdapter:Class>
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-fxmlloader-0.4-java/lib/fxmlloader/rrba.rb:607:in `getConstantValue'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-fxmlloader-0.4-java/lib/fxmlloader/real_elts.rb:85:in `constructValue'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-fxmlloader-0.4-java/lib/fxmlloader/value_elts.rb:62:in `processStartElement'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-fxmlloader-0.4-java/lib/jrubyfx-fxmlloader.rb:440:in `processStartElement'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-fxmlloader-0.4-java/lib/jrubyfx-fxmlloader.rb:351:in `load'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-1.1.1-java/lib/jrubyfx/controller.rb:123:in `load_into'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-1.1.1-java/lib/jrubyfx/core_ext/stage.rb:82:in `fxml'
/home/core/wk/docs/amanda/amanda-jruby/Dummy.rb:9:in `start'
org/jruby/RubyBasicObject.java:1533:in `instance_eval'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-1.1.1-java/lib/jrubyfx/module.rb:49:in `with'
/home/core/wk/docs/amanda/amanda-jruby/Dummy.rb:8:in `start'
/home/joshua/.rvm/gems/jruby-1.7.18/gems/jrubyfx-1.1.1-java/lib/jrubyfx/java_fx_impl.rb:119:in `launch_app_after_platform'
org/jruby/gen/InterfaceImpl2019640958.gen:13:in `run'