使用trove list命令后出错

我安装好trove以后，输入trove list命令，报错。
[root@node-3 ~]# trove list
/usr/lib/python2.6/site-packages/troveclient/shell.py:630: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
  message = e.message
ERROR: Unable to establish connection: HTTPConnectionPool(host='1*.**3.2*0.**', port=8779): Max retries exceeded with url: /v1.0/ced9fd11ec514831977949ec15664f3d/instances (Caused by : [Errno 111] Connection refused)


其他组件都是的。求指点。收起