import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

public class TestFXML extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {

    stage.setTitle("FXML Example");
        Pane myPane = (Pane) FXMLLoader.load(getClass().getResource("barChartRenderingIssue.fxml"));
        Scene scene = new Scene(myPane);
        stage.setScene(scene);
        stage.show();
    }
}