crimsonharsh - 2005-03-16

I am trying to deploy a webapplication on bea weblogic webserver  7.1 but i am getting the below mentioned error while the same application is working fine in bea 8.1. i am using struts 1.1..........can somebody help me......

INFO: Loading validation rules file from '/WEB-INF/validation.xml'
Mar 16, 2005 10:22:36 AM org.apache.commons.digester.Digester error
SEVERE: Parse Error at line 9 column 18: cvc-elt.1: Cannot find the declaration
of element 'form-validation'.
org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element
'form-validation'.
        at weblogic.apache.xerces.util.ErrorHandlerWrapper.createSAXParseExcepti
on(Lweblogic.apache.xerces.xni.parser.XMLParseException;)Lorg.xml.sax.SAXParseEx
ception;(ErrorHandlerWrapper.java:232)
        at weblogic.apache.xerces.util.ErrorHandlerWrapper.error(Ljava.lang.Stri
ng;Ljava.lang.String;Lweblogic.apache.xerces.xni.parser.XMLParseException;)V(Err
orHandlerWrapper.java:173)