For the record, doing | <introduction expr="has(* *->method())"> | <interfaces>org.jboss.test.microcontainer.beans.IntroductionInterface</interfaces> | </introduction> | works and correctly sets | @XmlAttribute(name="expr") | public void setExpr(String expr) | { | this.expr = expr; | } | in https://svn.jboss.org/repos/jbossas/projects/microcontainer/tags/2.0.6.GA... View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4239500#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...