I want to build a SOAP client using the Eclipse (DevStudio) tools 1) I need to get the WSDL put a copy of the WSDL in the Client project for this example, I build a Dynamic Web Project named NumberServiceClient in this project I create a new file named NumberService.wsdl I opened a Browser to the WSDL URL: http://www.dataaccess.com/webservicesserver/numberconversion.wso?WSDL I right clicked on the WSDL, and selected view source, I copied this source to the source tab of NumberService.wsdl 2) I need to generate the "Helper" classes for this WSDL I right click on the WSDL file, select Web Services -> Generate Client Take the defaults 3) I edit the ClientSample inserting valid values, and run the Java Application