// Get the relative URL we need for loading the resource from
// the servlet context
// NOTE: we NEED to put the '/' in front as otherwise some versions
// of application servers (e.g. Jetty 5.1.x) will fail for requests
// like '/mysubdir/myfile.css'
Url url = new Url(requestCycle.getRequest().getUrl());
if (!url.isAbsolute())
{
url.makeAbsolute();
}
return new WebExternalResourceRequestTarget(url.toString());
}