If JarFile supported a JarInputStream I would look at support a JarURLConnection from the handler, but you have to have a path to a file as far as I can see. I would say hacking the facelets code to create patch Classpath to try to use a JarInputStream to find the taglib descriptiors is the best approach. There will be a patched facelets jars required, and we give back the patch. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4127236#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...