diff -r 95f4914b7ead -r 44d129a2adfa jdk/src/share/classes/sun/security/util/ManifestEntryVerifier.java
--- a/jdk/src/share/classes/sun/security/util/ManifestEntryVerifier.java	Fri Apr 08 10:33:14 2011 +0100
+++ b/jdk/src/share/classes/sun/security/util/ManifestEntryVerifier.java	Mon Apr 11 10:22:17 2011 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, 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
@@ -191,8 +191,8 @@
      *
      *
      */
-    public CodeSigner[] verify(Hashtable<String, CodeSigner[]> verifiedSigners,
-                Hashtable<String, CodeSigner[]> sigFileSigners)
+    public CodeSigner[] verify(Map<String, CodeSigner[]> verifiedSigners,
+                Map<String, CodeSigner[]> sigFileSigners)
         throws JarException
     {
         if (skip) {