src/share/classes/sun/util/cldr/CLDRLocaleProviderAdapter.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2015, 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

@@ -28,10 +28,11 @@
 import java.io.File;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.text.spi.BreakIteratorProvider;
 import java.text.spi.CollatorProvider;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Locale;
 import java.util.ResourceBundle;
 import java.util.Set;
 import java.util.StringTokenizer;

@@ -101,10 +102,13 @@
 
     @Override
     protected Set<String> createLanguageTagSet(String category) {
         ResourceBundle rb = ResourceBundle.getBundle("sun.util.cldr.CLDRLocaleDataMetaInfo", Locale.ROOT);
         String supportedLocaleString = rb.getString(category);
+        if (supportedLocaleString == null) {
+            return Collections.emptySet();
+        }
         Set<String> tagset = new HashSet<>();
         StringTokenizer tokens = new StringTokenizer(supportedLocaleString);
         while (tokens.hasMoreTokens()) {
             tagset.add(tokens.nextToken());
         }