Rabbitmq添加用户错误：Error: unable to perform an operation on node ‘rabbitmq3@k8s-master1‘. Please see dia1、错误信息描述2、问题解决

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我是靠谱客的博主矮小大米，这篇文章主要介绍Rabbitmq添加用户错误：Error: unable to perform an operation on node ‘rabbitmq3@k8s-master1‘. Please see dia1、错误信息描述2、问题解决，现在分享给大家，希望可以做个参考。

1、错误信息描述

今天在测试单节点rabbitmq时发现错误信息，记录一下

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[root@k8s-master1 sbin]# rabbitmqctl add_user admin 123456
Error: unable to perform an operation on node 'rabbitmq3@k8s-master1'. Please see diagnostics information and suggestions below.
Most common reasons for this are:
* Target node is unreachable (e.g. due to hostname resolution, TCP connection or firewall issues)
* CLI tool fails to authenticate with the server (e.g. due to CLI tool's Erlang cookie not matching that of the server)
* Target node is not running
In addition to the diagnostics info below:
* See the CLI, clustering and networking guides on https://rabbitmq.com/documentation.html to learn more
* Consult server logs on node rabbitmq3@k8s-master1
* If target node is configured to use long node names, don't forget to use --longnames with CLI tools
DIAGNOSTICS
===========
attempted to contact: ['rabbitmq3@k8s-master1']
rabbitmq3@k8s-master1:
* connected to epmd (port 4369) on k8s-master1
* epmd reports: node 'rabbitmq3' not running at all
other nodes on k8s-master1: [mq1]
* suggestion: start the node
Current node details:
* node name: 'rabbitmqcli-832-rabbitmq3@k8s-master1'
* effective user's home directory: /root
* Erlang cookie hash: mG6tHqVyZ4ibmooTpymD9A==

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[root@k8s-master1 sbin]# rabbitmqctl add_user admin 123456
Error: unable to perform an operation on node 'rabbitmq3@k8s-master1'. Please see diagnostics information and suggestions below.
Most common reasons for this are:
* Target node is unreachable (e.g. due to hostname resolution, TCP connection or firewall issues)
* CLI tool fails to authenticate with the server (e.g. due to CLI tool's Erlang cookie not matching that of the server)
* Target node is not running
In addition to the diagnostics info below:
* See the CLI, clustering and networking guides on https://rabbitmq.com/documentation.html to learn more
* Consult server logs on node rabbitmq3@k8s-master1
* If target node is configured to use long node names, don't forget to use --longnames with CLI tools
DIAGNOSTICS
===========
attempted to contact: ['rabbitmq3@k8s-master1']
rabbitmq3@k8s-master1:
* connected to epmd (port 4369) on k8s-master1
* epmd reports: node 'rabbitmq3' not running at all
other nodes on k8s-master1: [mq1]
* suggestion: start the node
Current node details:
* node name: 'rabbitmqcli-832-rabbitmq3@k8s-master1'
* effective user's home directory: /root
* Erlang cookie hash: mG6tHqVyZ4ibmooTpymD9A==

2、问题解决

根据其他网友提供的方法，配置/etc/hosts域名解析；添加127.0.0.1和本机ip

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[root@k8s-master1 sbin]# cat /etc/hosts
127.0.0.1
localhost localhost.localdomain localhost4 localhost4.localdomain4
::1
localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 k8s-master1
192.168.6.20 k8s-master1

我这里没有用，因为不是这个问题导致的

根据第一步配置完成后，发现依然还是报这个错误，最后想起来之前搭建过rabbitmq的环境并且配置了环境变量；
恍然大悟，原来我这里使用了其他环境的命令进行设置
使用当前环境（目录位置命令进行配置）

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[root@k8s-master1 sbin]# ./rabbitmqctl add_user admin 123456
Adding user "admin" ...
Done. Don't forget to grant the user permissions to some virtual hosts! See 'rabbitmqctl help set_permissions' to learn more.
[root@k8s-master1 sbin]# ./rabbitmqctl set_user_tags admin administrator
Setting tags for user "admin" to [administrator] ...
[root@k8s-master1 sbin]# ./rabbitmqctl set_permissions -p "/" admin ".*" ".*" ".*"
Setting permissions for user "admin" in vhost "/" ...
[root@k8s-master1 sbin]# ./rabbitmqctl list_users
Listing users ...
user
tags
admin
[administrator]
guest
[administrator]
[root@k8s-master1 sbin]#