--- a/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusLookAndFeel.java	Tue May 24 11:37:09 2011 +0400
+++ b/jdk/src/share/classes/javax/swing/plaf/nimbus/NimbusLookAndFeel.java	Sat May 28 11:55:32 2011 +0400
@@ -588,6 +588,10 @@
     }
 
     private void addDefault(String key, Object value) {
+        if (compiledDefaults == null) {
+            return;
+        }
+
         String prefix = parsePrefix(key);
         if (prefix != null) {
             Map<String, Object> keys = compiledDefaults.get(prefix);