--- a/jdk/test/tools/jar/UpdateManifest.java	Sun Jun 20 14:51:33 2010 -0700
+++ b/jdk/test/tools/jar/UpdateManifest.java	Sun Jun 20 14:53:36 2010 -0700
@@ -143,6 +143,7 @@
         } else {
             fail("did not match specVersion nor specTitle");
         }
+        zf.close();
     }
 
     // --------------------- Convenience ---------------------------