My version is AS4.0.5GA+WS1.0.4 Actually, I can not find the whole javax.xml.bind packge, all the class in follow has compiler error when I try to compile it. import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBElement; import javax.xml.bind.JAXBException; import javax.xml.bind.Unmarshaller; import javax.xml.bind.annotation.AccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlElement; import javax.xml.bind.annotation.XmlType; View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4016021#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...