8349105: Pagination: exception initializing in a background thread

modules/javafx.controls/src/main/java/javafx/scene/control/skin/PaginationSkin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -126,16 +126,12 @@ public class PaginationSkin extends SkinBase<Pagination> {
     private boolean nextPageReached = false;
     private boolean setInitialDirection = false;
     private int direction;
-
     private int currentAnimatedIndex;
-    private boolean hasPendingAnimation = false;
-
+    private volatile boolean hasPendingAnimation;
     private boolean animate = true;
-
     private final PaginationBehavior behavior;
 
 
-
     /* *************************************************************************
      *                                                                         *
      * Listeners                                                               *
@@ -706,6 +702,10 @@ private int getCurrentPageIndex() {
     }
 
     private void animateSwitchPage() {
+        if (!Platform.isFxApplicationThread()) {
+            hasPendingAnimation = true;
+            return;
+        }
         if (timeline != null) {
             timeline.setRate(8);
             hasPendingAnimation = true;

tests/system/src/test/java/test/robot/javafx/scene/NodeInitializationStressTest.java

@@ -401,7 +401,6 @@ public void menuButton() {
         });
     }
 
-    @Disabled("JDK-8349105") // FIX
     @Test
     public void pagination() {
         assumeFalse(SKIP_TEST);