Develop a J2EE Web service based on an existing application

1. Access an existing Java bean Web archive (WAR) file that you want to use as a Web service.

2. Develop a service endpoint interface.
   The service endpoint interface defines which methods should be made available as a Web service.

3. Develop a Web Services Description Language (WSDL) file.

4. Develop Web service deployment descriptor templates from the WSDL file.

5. Configure the webservices.xml deployment descriptor.

6. Configure the ibm-webservices-bnd.xmi deployment descriptor.