For those interested, Seam appears to be using the XmlHttpRequest.responseXML property, but this triggers a Firefox/javascript/security problem, in that you aren't allowed to access the XML version of the data you're requesting. You can, however, get the raw text, do your own reparsing, and play as you please: // hack, since Firefox won't allow access to responseXML | var xmlDoc = (new DOMParser()).parseFromString(xmlHttpRequest.responseText, "text/xml"); Perhaps the Seam remoting libraries should incorporate this... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4113102#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...