<service name="echo">
    <parameter name="ServiceClass" locked="xsd:false">echo</parameter>

   <description>
        This is a testing service , to test the system is working or not
   </description>

    <operation name="echoString">
            <!--messageReceiver class="axis2_receivers" /-->
            <parameter name="wsamapping" >http://ws.apache.org/axis2/c/samples/echoString</parameter>
    </operation>

</service>