src/share/classes/javax/swing/text/ComponentView.java

@@ -372,10 +372,11 @@
      * hierarchy to consider giving the component
      * a different size (i.e. layout may have been
      * cached between the associated view and the
      * container hosting this component).
      */
+    @SuppressWarnings("serial") // JDK-implementation class
     class Invalidator extends Container implements PropertyChangeListener {
 
         // NOTE: When we remove this class we are going to have to some
         // how enforce setting of the focus traversal keys on the children
         // so that they don't inherit them from the JEditorPane. We need