soapUI adds extra tags in request on importing a project

Hi,

I created a test suite in soapUI PRO version 2.5. When I upgraded to soapUI PRO 4.5.1, I tried to use the same project in new version. However, when I open it, the soapUI adds some extra tags/metadata (xsi or xs tags) in all of my requests and as a result I get the IOException in response.

For example -

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soapenv:Body>
<soapenv:Fault>
<faultcode>soapenv:Server.userException</faultcode>
<faultstring>java.io.IOException: Stream closed</faultstring>
<detail>
<ns1:hostname xmlns:ns1="http://xml.apache.org/axis/">VM1170501</ns1:hostname>
</detail>
</soapenv:Fault>
</soapenv:Body>
</soapenv:Envelope>


When I copy-paste the original request over new one, it works correctly. But whenever I close and open the soapUI 4.5.1, this error starts and it takes a lot of time to update all the requests. Is there a way for me to turn off the addition of extra tags in my request?

Thanks,
Manish