code: protected void aliveToRetry(ProviderInfo providerInfo, ClientTransport transport) {
          providerLock.lock();
          try {
              if (aliveConnections.remove(providerInfo) != null) {
                  retryConnections.put(providerInfo, transport);
              }
          } finally {
              providerLock.unlock();
          }
      }
docs: 从存活丢到重试列表
  
  @param providerInfo Provider
  @param transport    连接