src/share/classes/com/sun/java/swing/plaf/windows/WindowsInternalFrameUI.java

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2005, 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) 1997, 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
*** 86,95 ****
--- 86,96 ----
      protected JComponent createNorthPane(JInternalFrame w) {
          titlePane = new WindowsInternalFrameTitlePane(w);
          return titlePane;
      }
  
+     @SuppressWarnings("serial") // Superclass is not serializable across versions
      private class XPBorder extends AbstractBorder {
          private Skin leftSkin   = xp.getSkin(frame, Part.WP_FRAMELEFT);
          private Skin rightSkin  = xp.getSkin(frame, Part.WP_FRAMERIGHT);
          private Skin bottomSkin = xp.getSkin(frame, Part.WP_FRAMEBOTTOM);