code: protected boolean validateConfiguration() {
          LOG.info("Start to check navi rpc configuration ...");
          LOG.info("RpcConf.ENABLE_ZK_REGISTRY=" + RpcServerConf.ENABLE_ZK_REGISTRY);
          if (RpcServerConf.ENABLE_ZK_REGISTRY) {
              if (StringUtil.isEmpty(RpcServerConf.ZK_SERVER_LIST)) {
                  LOG.error("RpcConf.ZK_SERVER_LIST is empty");
                  return false;
              }
              LOG.info("RpcConf.ZK_SERVER_LIST=" + RpcServerConf.ZK_SERVER_LIST);
  
              if (StringUtil.isEmpty(RpcServerConf.ZK_REGISTRY_NAMESPACE)) {
                  LOG.error("RpcConf.ZK_REGISTRY_NAMESPACE is empty");
                  return false;
              }
              if (StringUtil.isNotEmpty(RpcServerConf.ZK_DIGEST_AUTH)) {
                  LOG.info("RpcConf.ZK_DIGEST_AUTH=" + RpcServerConf.ZK_DIGEST_AUTH);
              }
              LOG.info("ZOOKEEPER_BASE_PATH=" + NaviCommonConstant.ZOOKEEPER_BASE_PATH);
              LOG.info("RpcConf.ZK_REGISTRY_NAMESPACE=" + RpcServerConf.ZK_REGISTRY_NAMESPACE);
          }
          LOG.info("Check navi rpc configuration pass");
          return true;
      }
docs: 检查配置
  
  @return