[openstack-dev] [nova] Refused to connect port 8774.

__ mango. 935540343 at qq.com
Fri Mar 23 07:36:12 UTC 2018

I run the openstack compute service list with the following error:

# openstack compute service list
Unable to establish connection to http://controller:8774/v2.1/os-services:
HTTPConnectionPool(host='controller', port=8774): 
Max retries exceeded with url: /v2.1/os-services (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7efdbbee9e50>: 
Failed to establish a new connection: [Errno 111] \xe6\x8b\x92\xe7\xbb\x9d\xe8\xbf\x9e\xe6\x8e\xa5',))

My port 8774 didn't work and restart the nova- API doesn't work.
Is there any way to solve this problem?  thank you.
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