You can find the source code of compression invoker marshaller/unmarshaller as attachments in the JIRA report. Doychin View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199384#4199384 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199384