FULL PRODUCT VERSION :
java version "1.8.0_91"
Java(TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)


ADDITIONAL OS VERSION INFORMATION :
Linux archlinux 4.5.1-1-ARCH #1 SMP PREEMPT Thu Apr 14 19:19:32 CEST 2016 x86_64 GNU/Linux


A DESCRIPTION OF THE PROBLEM :
Running the provided source code causes a memory leak.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the code and the system memory will slowly get depleted.


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
package javafxtest;

import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.geometry.Point2D;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;

public class Main extends Application {
    private Point2D mousePosition = new Point2D(1,0);

    @Override
    public void start(Stage primaryStage) throws Exception {
        Circle c = new Circle(30);
        c.setFill(Color.RED);
        c.setTranslateX(100);
        c.setTranslateY(100);

        Pane root = new Pane();
        root.getChildren().addAll(c);
        Scene scene = new Scene(root);

        root.setOnMouseMoved(event -> {
            mousePosition = new Point2D(event.getX(), event.getY());
        });

        AnimationTimer at = new AnimationTimer() {
            @Override
            public void handle(long now) {
                Point2D playerPos = new Point2D(c.getTranslateX(), c.getTranslateY());
                Point2D speed = playerPos.add(mousePosition.multiply(-1)).normalize();

                c.setTranslateX(playerPos.getX()- speed.getX()/10);
                c.setTranslateY(playerPos.getY()- speed.getY()/10);
            }
        };

        at.start();

        primaryStage.setScene(scene);
        primaryStage.show();
    }

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