FULL PRODUCT VERSION :
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) Client VM (build 25.60-b23, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
After removing all tabulation in a tabpane except last one, phantom tabulation are still visible on tabPane if animation if ff

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Launch the sample below.
- click on "Add 50 tab"'
- click on "closeAllExceptLast"

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
All tabulation should be closed exect last one
ACTUAL -
Phamtom tab header are left visible.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package tabpanebug;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.ToolBar;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Text;
import javafx.stage.Stage;

/**
 *
 * @author Daniel
 */
public class TabPaneBug extends Application {

    int i = 0;

    @Override
    public void start(Stage primaryStage) {
        TabPane tabPane = new TabPane();
        tabPane.setTabClosingPolicy(TabPane.TabClosingPolicy.ALL_TABS);
        tabPane.setStyle("-fx-open-tab-animation:none;-fx-close-tab-animation:none;");
        Button addTab = new Button("add 50 Tab");
        addTab.setOnAction((ActionEvent event) -> {
            for (int z = 0; z < 50; z++) {
                VBox content = new VBox();
// for (int j = 0; j < 100; j++) {
                    content.getChildren().add(new VBox(10, new Text("tab" + i), new Text("type something"), new Rectangle(50, 20)));
// }
                tabPane.getTabs().add(new Tab("tab" + i++, content));
            }
        });
        Button closeAll = new Button("closeAll");
        closeAll.setOnAction((ActionEvent event) -> {
            tabPane.getTabs().clear();
        });
        Button closeAllExceptLast = new Button("closeAllExceptLast");
        closeAllExceptLast.setOnAction((ActionEvent event) -> {
            tabPane.getTabs().retainAll(tabPane.getTabs().get(tabPane.getTabs().size() - 1));
        });
        Button closeAllExceptFisrt = new Button("closeAllExceptFisrt");
        closeAllExceptFisrt.setOnAction((ActionEvent event) -> {
            tabPane.getTabs().retainAll(tabPane.getTabs().get(0));
        });
        BorderPane root = new BorderPane();
        root.setTop(new ToolBar(addTab, closeAll, closeAllExceptFisrt, closeAllExceptLast));
        root.setCenter(tabPane);

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

        primaryStage.setTitle("TabPaneBug");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

   

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

}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Never remove animation.

In the example above, comment the style :

      // tabPane.setStyle("-fx-open-tab-animation:none;-fx-close-tab-animation:none;");