Schema Validation in JBoss

           I am getting this error when I run a SOAP request.I want to validate the request and response.The schema validation happens for the request.But in the reponse I get the error  
  Caused by:

org.xml.sax.SAXException    cvc-elt.1: Cannot find the declaration of element 'ns2:ReplyRetrievePrjData'. Can you please guide me regarding this.


I get the response successfully with the server throwing the above error.

I have followed the steps shown in the link