--- a/jdk/src/share/classes/sun/security/krb5/internal/ccache/FileCredentialsCache.java	Sat Nov 20 07:00:31 2010 -0800
+++ b/jdk/src/share/classes/sun/security/krb5/internal/ccache/FileCredentialsCache.java	Mon Nov 22 09:43:58 2010 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2010, 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
@@ -186,7 +186,10 @@
         primaryRealm = primaryPrincipal.getRealm();
         credentialsList = new Vector<Credentials> ();
         while (cis.available() > 0) {
-            credentialsList.addElement(cis.readCred(version));
+            Credentials cred = cis.readCred(version);
+            if (cred != null) {
+                credentialsList.addElement(cred);
+            }
         }
         cis.close();
     }