code: public static boolean startDefaultHandlers(HttpServerExchange httpServerExchange) {
  		// check if defaultHandlers is empty
  		if(defaultHandlers != null && defaultHandlers.size() > 0) {
  			httpServerExchange.putAttachment(CHAIN_ID, "defaultHandlers");
  			httpServerExchange.putAttachment(CHAIN_SEQ, 0);
  			return true;
  		}
  		return false;
  	}
docs: If there is no matching path, the OrchestrationHandler is going to try to start the defaultHandlers.
  If there are default handlers defined, store the chain id within the exchange.
  Otherwise return false.
  
  @param httpServerExchange
  The current requests server exchange.
  @return true if a handler has been defined for the given path.