[Axis2] [1.0] SOAP tell : net.sourceforge.jtds.jdbc

[A A]

I'm using axis2 version 1, i deployed my service archive with success and

WSDL is displayed correctly but when i try to invoke it using (soapUI 1.5)
i got this SOAP message :
jtds-1.2.jar (in lib) is used for SQL Server db access:
<soapenv:Envelope xmlns:soapenv=3D"http://schemas.xmlsoap.org/soap/envelope=
/ ">
  <soapenv:Header/>
  <soapenv:Body>
     <ns:getCardConsumptionResponse xmlns:ns=3D"
http://petrocard.portal.naftal.dz/xsd">
        <return>net.sourceforge.jtds.jdbc

.Driver</return>
     </ns:getCardConsumptionResponse>
  </soapenv:Body>
</soapenv:Envelope>