src/share/classes/javax/swing/plaf/metal/MetalComboBoxIcon.java

*** 1,7 ****
  /*
!  * Copyright (c) 1998, 2000, 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) 1998, 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
*** 39,48 ****
--- 39,49 ----
   *
   * @see MetalComboBoxUI
   * @author Tom Santos
   */
  public class MetalComboBoxIcon implements Icon, Serializable {
+     private static final long serialVersionUID = 4005527431004205018L;
  
      /**
       * Paints the horizontal bars for the
       */
      public void paintIcon(Component c, Graphics g, int x, int y){