--- old/src/share/classes/sun/util/locale/provider/SPILocaleProviderAdapter.java	2012-12-03 11:43:46.000000000 +0900
+++ new/src/share/classes/sun/util/locale/provider/SPILocaleProviderAdapter.java	2012-12-03 11:43:45.000000000 +0900
@@ -604,5 +604,12 @@
             assert tznp != null;
             return tznp.getDisplayName(ID, daylight, style, locale);
         }
+
+        @Override
+        public String getGenericDisplayName(String ID, int style, Locale locale) {
+            TimeZoneNameProvider tznp = getImpl(locale);
+            assert tznp != null;
+            return tznp.getGenericDisplayName(ID, style, locale);
+        }
     }
 }