code: protected boolean executeHandlerIfFound(MappingPathResource pathResource, ActionFoundPathHandler handler, String actionName,
              String paramPath) throws Exception {
          final boolean emptyParam = paramPath == null || paramPath.isEmpty();
          final ActionExecute execByParam = !emptyParam ? findExecuteConfig(actionName, paramPath).orElse(null) : null;
          if (emptyParam || execByParam != null) { // certainly hit
              final String requestPath = pathResource.getRequestPath(); // no mapping, plain path here (for e.g. redirect)
              return handler.handleActionPath(requestPath, actionName, paramPath, execByParam);
          }
          return false;
      }
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