--- a/jdk/src/share/classes/sun/net/www/protocol/jar/JarURLConnection.java	Wed Mar 20 13:21:53 2013 +0400
+++ b/jdk/src/share/classes/sun/net/www/protocol/jar/JarURLConnection.java	Wed Mar 20 14:39:20 2013 +0000
@@ -51,7 +51,7 @@
 
     /* the Jar file factory. It handles both retrieval and caching.
      */
-    private static JarFileFactory factory = new JarFileFactory();
+    private static final JarFileFactory factory = JarFileFactory.getInstance();
 
     /* the url for the Jar file */
     private URL jarFileURL;