adrian wrote : With the current rules it will parse the attribute and set it on the CDATA type | (StringValueMetaData). But since there is no CDATA, it is child element | instead, the attribute will be discarded and the child type used e.g. ListValueMetaData. | | We don't currently throw an exception for this. The spurious attribute is just ignored. Yes, I understand this is what you need. But this, as a rule, looks very bizarre to me :) And I've been trying to make it more general hoping that it would make it less bizarre :) At least less bizarre to me and still do what you need :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4134790#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...