--- old/src/share/classes/sun/text/resources/zh/FormatData_zh_HK.java	Fri Jan 11 10:34:24 2013
+++ new/src/share/classes/sun/text/resources/zh/FormatData_zh_HK.java	Fri Jan 11 10:34:22 2013
@@ -44,12 +44,14 @@
 import java.util.Locale;
 import java.util.ResourceBundle;
 import sun.util.locale.provider.LocaleProviderAdapter;
+import sun.util.locale.provider.ResourceBundleBasedAdapter;
 
 public class FormatData_zh_HK extends ListResourceBundle {
 
     // reparent to zh_TW for traditional Chinese names
     public FormatData_zh_HK() {
-        ResourceBundle bundle = LocaleProviderAdapter.forJRE().getLocaleData().getDateFormatData(Locale.TAIWAN);
+        ResourceBundle bundle = ((ResourceBundleBasedAdapter)LocaleProviderAdapter.forJRE())
+            .getLocaleData().getDateFormatData(Locale.TAIWAN);
         setParent(bundle);
     }