Calling SOA composite from ADF BC web application by cretaing Data Control

Hi ,
I have deployed my SOA composite on a stand alone server .I have a ADF web application and I hace created a WS data control using the URL of WSDL of the SCA (got it from EM Test page).I have created a jsf page and have created input/output parameter .Now as soon as page loads it gives error in processing Security header. I go and check the policies tab there is a global policiy wss10_saml_token_service_policy that has been attached to the SCA .it cannot be removed(there is no disbale option). Now I try to override it using no_authetication_service_policy but it satrtas giving error .My question is this sca when tested by Test webservice button works fine so this means behind the scene it is sending some username and passsword in the soap request what is that userna me and password how to find that.Because I hope if i Get that then may be whiel creating the Data control in ADF web applciation I can give that username and password as endpoint authectication values and it should.Request some one to please advice what needs to be done for this.
Thanks

This got solved .I have created a polciy for the datacontrol and given the username and password same as that of app server.

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