I've developed a URL handler for VFS vfsfile:/foo/bar/ear.jar/war.war Works fine. My thought is that should VirtualFile.toURL() really return a "vfsfile" based url? I want to be able to use the VFS in Hibernate HEM which means that the "java.protocol.handler.pkgs" System property must be set to include the JBoss specific package that contains the VFS handler. I'm really worried that there will be issues with: * setting this system property reliably * having the sun classes find the handler class (URL uses Class.forName()). Thoughts? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3979750#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...