--- old/test/tools/jar/UpdateManifest.java	Sun Jun 20 13:30:35 2010
+++ new/test/tools/jar/UpdateManifest.java	Sun Jun 20 13:30:35 2010
@@ -143,6 +143,7 @@
         } else {
             fail("did not match specVersion nor specTitle");
         }
+	zf.close();
     }
 
     // --------------------- Convenience ---------------------------