The following blog shows how you can easily create a Webservices project in Glassfish v2 using Netbeans 6.0 from an existing wsdl.
Download Netbeans 6.0 from here
To Start
Select File->Create new Project->Web

Click on finish

Next Right Click on WebServiceFromWsdl  project and select new WebService from wsdl
Here is the wsdland its schemafor this blog

Here is how the screen looks like

Click on finish

This is how the generated WebService Design tab looks like
design tab.jpg

You can implement the methods for the service by selecting the Source tab

Right Click on the WebServiceFromWsdl  project and call Run
You will see the project deployed in GF

You can verify by clicking on http://localhost:8080/WebServiceFromWsdl/RMDemoService?wsdl
This is how the published wsdl will look like