"remy.maucherat(a)jboss.com" wrote : | Normally, the web tier embedded in AS uses VFS for almost everything | already (it has a DirContext-over-VFS implementation), | As it seems direct VFS is not enough, we need whole VDF, with its mutable VFSDeploymentUnit (VDU). Like my code suggests, one would add an 'external' metadata location, containing custom resources (in JBP's case their custom .tld), and once web tier would do a lookup for those resources, it would go over VDU's metadata locations, not really caring where they come from. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4204551#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...