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

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2010, 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
--- 1,7 ----
  /*
!  * 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
*** 599,608 ****
--- 599,609 ----
       * 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;