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

*** 259,269 ****
      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)) {
                  // 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();
--- 259,270 ----
      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) {
                  // 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();