src/java.desktop/share/classes/javax/swing/plaf/basic/BasicToolTipUI.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -258,13 +258,13 @@
 
     private static class PropertyChangeHandler implements
                                  PropertyChangeListener {
         public void propertyChange(PropertyChangeEvent e) {
             String name = e.getPropertyName();
-            if (name.equals("tiptext") || "font".equals(name) ||
-                "foreground".equals(name) ||
-                "ancestor" == name || "graphicsConfiguration" == name) {
+            if (name.equals("tiptext") || "foreground".equals(name)
+                    || "font".equals(name)
+                    || "graphicsConfiguration".equals(name)) {
                 // remove the old html view client property if one
                 // existed, and install a new one if the text installed
                 // into the JLabel is html source.
                 JToolTip tip = ((JToolTip) e.getSource());
                 String text = tip.getTipText();