Creating an JSF project for execution on Glassfish v3

Create a dynamic web project.
Create files inside Webcontent, as a jsp file, then choose type xhtml with xhml syntax. Change the extention to .xhtml.
Then on web.xml insert the server mapping:

<servlet-mapping>

<servlet-name>Faces Servlet</servlet-name>

<url-pattern>*.jsf</url-pattern>

</servlet-mapping>

Add also the line on welcome file list: <welcome-file>index.jsf</welcome-file>