Problem with forward in Servlet Filter

I use tomcat 4 I try write secure servlet fitler. When I recognize that user is not authorized I try change web resource whith RequestDispatcher. But response is only 404 not found This is example of my code: doFilter.{ if(userHaveRights()) {

Problem with forward in Servlet Filter

I use tomcat 4 I try write secure servlet fitler. When I recognize that user is not authorized I try change web resource whith RequestDispatcher. But response is only 404 not found This is example of my code: doFilter.{ if(userHaveRights()) {