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

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
+ * 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

@@ -61,10 +61,13 @@
         return state;
     }
 
     private void paintXPBackground(Graphics g, JComponent c) {
         XPStyle xp = XPStyle.getXP();
+        if (xp == null) {
+            return;
+        }
         Skin skin = xp.getSkin(c, Part.EP_EDIT);
         State state = getXPState(c);
         skin.paintSkin(g, 0, 0, c.getWidth(), c.getHeight(), state);
     }