Struts2 Annotations example giving HTTP 404 error

[Kevin P Smith]

Hi guys,

Using Struts2 with annotations, I have set up a very simplistic webapp which starts up and I can manually go directly to a JSP (so I know it's working in a basic form)

But when I create a simple Struts2 Action using annotations like the one below

@Namespace("/User")
@ResultPath(value="/")
public class WelcomeUserAction extends ActionSupport{ 
	@Action(value="Welcome", results={
		@Result(name="success",location="pages/welcome_user.jsp")
	})
	public String execute() {
		return SUCCESS;
	}
}

And go to the URLs:

	http://localhost/myApp/User/Welcome
	http://localhost/myApp/User/Welcome.action

I get the following error:

HTTP Status 404 – There is no Action mapped for namespace /User and action name Welcome.

But if I just go to a URL like

http://localhost/myApp/pages/welcome_user.jsp

It works (finds the page).

Could anyone explain this?

Ref: http://www.mkyong.com/struts2/struts-2-hello-world-annotation-example/