anonymous wrote : 1 - Map all binary types to javax.activation.DataHandler | | A global configuration option can be set to switch on MTOM mapping and all types that are based on xs:base64Binary or xs:hexBinary can be mapped to javax.activation.DataHandler. I see base64Binary data that should not be considered as attachment. It's a type that is often used for IDs. For exemple, you can have an operation with an ID as argument and an attachment as a result. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4004492#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...