ADDITIONAL SYSTEM INFORMATION :
Windows 10

A DESCRIPTION OF THE PROBLEM :
Indeterminate progressIndicator cause memoryleak when used inside a placeholder of a treetableview

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1 Run the attached app
2 Click open leaky dialog
3 Close it
4 Repeat step 2 and 3 several times


Open a memory profiler and look for stage or progress indicator



EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
It should stay only one stage and no progress indicator
ACTUAL -
There is as many stage as the number of times you click leaky button

---------- BEGIN SOURCE ----------
/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package javafxbug;

import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.TreeTableView;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

/**
 *
 * @author Cyril FISCHER
 */
public class ProgressIndicatorMemoryLeak extends Application {

    @Override
    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("Open Leaky Dialog");
        btn.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent event) {
                Stage stage = new Stage();
                TreeTableView treeTableView = new TreeTableView();

                //
                treeTableView.setPlaceholder(new ProgressIndicator(-1.0)); //Root Cause of memoryLeak : indeterminate cause leak otherwise no
                //
                stage.setScene(new Scene(new VBox(treeTableView)));

                stage.showAndWait();
            }
        });

        StackPane root = new StackPane();
        root.getChildren().add(btn);

        Scene scene = new Scene(root, 300, 250);

        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

}

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FREQUENCY : always