"richard.opalka(a)jboss.com" wrote : | AFAICS DOMUtils ThreadLocal capability is used in native stack only ;) I will double check but I think I found one way it does get called when used by Metro to read a deployment descriptor - again leaving the Document and DocumentBuilder associated with the Thread. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4179424#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...