When thrown the fault from logical handle, the namespace setting doesn't work

<jaxws:endpoint
                id="cxfEndpoint"
                address="http://localhost:5555"
                wsdlURL="wsdl/demo.wsdl"
                serviceClass="example.esb.testing.HelloPortType"
                serviceName="s:HelloService"
                xmlns:s="urn:example:esb:testing">
<jaxws:properties>
        
                        <entry key="soap.env.ns.map">
                                <map>
                                        <entry key="esb" value="http://www.example.com/esb/20080930/header" />
                                </map>
                        </entry>
                        
                </jaxws:properties>
                <jaxws:handlers>
                        <ref bean="faultThrowingHandler" />
                </jaxws:handlers>

</jaxws:endpoint>