ubuntu@ip-172-31-21-62:~$sudo service rabbitmq-server start
 * Starting message broker rabbitmq-server                                        [ OK ]
ubuntu@ip-172-31-21-62:~$sudo service rabbitmq-server  stop
 * Stopping message broker rabbitmq-server                                                * message broker already stopped
                                                                              [ OK ]
ubuntu@ip-172-31-21-62:~$sudo service rabbitmq-server status
Status of node 'rabbit@ip-172-31-21-62' ...
Error: unable to connect to node 'rabbit@ip-172-31-21-62': nodedown

DIAGNOSTICS
===========

attempted to contact: ['rabbit@ip-172-31-21-62']

rabbit@ip-172-31-21-62:
* connected to epmd (port 4369) on ip-172-31-21-62
* epmd reports: node 'rabbit' not running at all
              no other nodes on ip-172-31-21-62
* suggestion: start the node

current node details:
- node name: 'rabbitmq-cli-19082@ip-172-31-21-62'
- home dir: /var/lib/rabbitmq 
- cookie hash: Zoi/1N8mjGUsELj8Z7yzoA==

ubuntu@ip-172-31-21-62:~$

我尝试使用sudo rabbitmqctl reset和sudo rabbitmqctl force_reset重置它们都不起作用.