If necessary, start the NetBeans IDE.
In the Projects window: Right-click the Data Integrator project you want to build.
Select menu item Clean & Build.
In the Output window: Check for the confirming message BUILD SUCCESSFUL (total time N seconds)
The very first time building a newly imported project can result in warning messages. If this occurs, simply rebuild the project.
The project tree displays a new WSDL file in the Collaborations folder of the Data Integrator project.