import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.builders.SliderBuilder;
import javafx.scene.Scene;
import javafx.scene.control.Slider;
import javafx.stage.Stage;

/**
 *
 * @author Alexander Kouznetsov
 */
public class SliderBug extends Application {

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

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

        final Slider slider = SliderBuilder.create()
                .min(0)
                .max(100)
                .value(0)
                .showTickMarks(true)
                .showTickLabels(true)
                .majorTickUnit(50)
                .minorTickCount(0)
                .snapToTicks(true)
                .build();
        
        slider.valueProperty().addListener(new ChangeListener<Number>() {

            @Override
            public void changed(ObservableValue<? extends Number> ov, Number t, Number t1) {
                if (!slider.isValueChanging()) {
                    System.out.println("value = " + t1 + ", valueChanging = " + slider.isValueChanging());
                }
            }
        });

        Scene scene = new Scene(slider);

        stage.setScene(scene);
        stage.setVisible(true);
    }

}