The helper was added to XB with issue https://jira.jboss.org/jira/browse/JBXB-191 View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4230183#4230183 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4230183