src/share/classes/javax/swing/plaf/basic/BasicSpinnerUI.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2014, 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

@@ -599,10 +599,11 @@
      * Note that one instance of this handler is shared by all slider previous
      * arrow buttons and likewise for all of the next buttons,
      * so it doesn't have any state that persists beyond the limits
      * of a single button pressed/released gesture.
      */
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     private static class ArrowButtonHandler extends AbstractAction
                                             implements FocusListener, MouseListener, UIResource {
         final javax.swing.Timer autoRepeatTimer;
         final boolean isNext;
         JSpinner spinner = null;