code: public ServletHolder newServletHolder(String name,
                                            String servletClass,
                                            String forcedPath)
      {
          if (_nameMap.containsKey(name))
              throw new IllegalArgumentException("Named servlet already exists: "+name);
          
          ServletHolder holder = new ServletHolder(this,name,servletClass,forcedPath);
          addServletHolder(holder);
          
          return holder;
      }
docs: /* ------------------------------------------------------------