code: private String getServletPath(final String relativePath) {
  
  		if (relativePath == null) {
  			LOG.error("relativePath must not be null");
  		}
  
  		String context = getHostFreeBaseUrl();
  
  		if (!Util.empty(context)) {
  			return context + relativePath;
  		}
  
  		return relativePath;
  	}
docs: Constructs the path to one of the various helper servlets. This is used by the more specific getXXXPath methods.
  
  @param relativePath the relative servlet path.
  @return the path to the servlet corresponding to the given parameter name.