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

@@ -259,11 +259,12 @@
     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)) {
+                "foreground".equals(name) || 
+                "ancestor" == name || "graphicsConfiguration" == 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();