By using the Struts web framework, users navigate throughout the application via Controller. What this means it that the .jsp file extension is never displayed in the web browser. You configure the Controller to forward the user to the JSP page in the struts-config.xml file.
If you map your Actions to a *.htm extension and store the JSP pages in a 'pages' directory, a URL to the main page will be:
Actually, the physical directory name can be anything you want it to be. For example, you can store the JSP files in a XYZJSPPAGES directory, and still map the actions to: