"david.lloyd(a)jboss.com" wrote : Throw it away. All it is used for is identifying archives, which is up to the individual deployers. Afair there was more to it than just deployers. The idea was to keep the suffixes in a single place. And there was nothing more close to the hierarchy top then VFS which was using it. I guess I can move it to Common-core, as there is already some JarUtils. And who ever uses that should populate it properly. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4246483#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...