泛微E10(e-cology)运维管理平台安装周边服务rabbitmq启动失败

泛微E10(e-cology)运维管理平台安装周边服务消息队列rabbitmq启动失败解决办法
服务器：Ubuntu 22.04.3 LTS
泛微ECOLOGY运维管理平台： e-monitor-V5.0.6.020230917-RC        

因为泛微E10运维管理平台对ubuntu 22.04版本兼容不好，安装之前，编辑rabbitmq自动化运维(ansible)安装包：/opt/e-monitor/ecology/tools/ansible-rabbitmq-3.7.7.zip修改后，安装的对应版本为：
Erlang版本：Erlang 24.2.1
RabbitMQ版本：RabbitMQ 3.8.16

安装周边服务时，提示消息队列rabbitmq安装失败，如图：



原因及解决方法：
查看/opt/e-monitor/package/ansible-rabbitmq/ansible-rabbitmq 自动化运维记录文件，发现执行到启动rabbitmq-server服务时，提示任务失败，相关执行记录如下：

1. TASK [weaver.rabbitmq : Start service rabbitmq-server, if not started] *********
   
2. fatal: [mqeef76]: FAILED! => {"changed": false, "msg": "Unable to restart service rabbitmq-server: Job for rabbitmq-server.service failed because the control process exited with error code.\nSee "systemctl status rabbitmq-server.service" and "journalctl -xeu rabbitmq-server.service" for details.\n"}
   
3. NO MORE HOSTS LEFT *************************************************************
   
4. PLAY RECAP *********************************************************************
   
5. mqeef76                    : ok=27   changed=7    unreachable=0    failed=1    skipped=12   rescued=0    ignored=1   

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根据运行记录，发现是在启动 rabbitmq 服务时出现在错误，于是我们在手工运行一次启动命令：

1. service rabbitmq-server start
   
2. systemctl start rabbitmq-server

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发现果然启动错误，我们根据提示，执行了 journalctl -xe ，定位到详细的报错日志信息；

1. journalctl -xe

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通过这个执行到命令行后，会打印出非常多的问题信息，让我们继续往下定位到ERROR处：

1. Feb 13 15:37:50 mqeef76 rabbitmq-server[26481]: Configuring logger redirection
   
2. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.676 [error] Error parsing configuration:
   
3. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.689 [error] File operation error: eacces. Target: /etc/rabbitmq/rabbitmq.conf. Function: get_file. Process: rabbit_prelaunch_sup.
   
4. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.695 [error]   - Could not open file (/etc/rabbitmq/rabbitmq.conf) for Reason undefined
   
5. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.695 [error] Are these files using the Cuttlefish format?
   
6. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.698 [error]
   
7. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.698 [error] BOOT FAILED
   
8. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: BOOT FAILED
   
9. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.698 [error] ===========
   
10. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: ===========
    
11. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.698 [error] Error during startup: {error,failed_to_parse_configuration_file}
    
12. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: Error during startup: {error,failed_to_parse_configuration_file}
    
13. Feb 13 15:37:51 mqeef76 rabbitmq-server[26481]: 15:37:51.698 [error]

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查看打印出来的前四条错误信息为：

1. [error] Error parsing configuration:
   
2. [error] File operation error: eacces. Target: /etc/rabbitmq/rabbitmq.conf. Function: get_file. Process: rabbit_prelaunch_sup.
   
3. [error]   - Could not open file (/etc/rabbitmq/rabbitmq.conf) for Reason undefined
   
4. [error] Are these files using the Cuttlefish format?

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接下来，我们来检查RabbitMQ配置文件中是否存在任何错误。你可以使用以下命令检查配置文件的语法是否正确：

1. rabbitmqctl eval 'file:consult([{config_file}, {silent, true}]).'

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或者查看 rabbitmq 状态

1. rabbitmqctl status

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运行这两条命令显示结果相同，显示内容如下：

1. Error: unable to perform an operation on node 'rabbit@mqeef76'. Please see diagnostics information and suggestions below.
   
2. 
   
3. Most common reasons for this are:
   
4. 
   
5. * Target node is unreachable (e.g. due to hostname resolution, TCP connection or firewall issues)
   
6. * CLI tool fails to authenticate with the server (e.g. due to CLI tool's Erlang cookie not matching that of the server)
   
7. * Target node is not running
   
8. 
   
9. In addition to the diagnostics info below:
   
10. 
    
11. * See the CLI, clustering and networking guides on https://rabbitmq.com/documentation.html to learn more
    
12. * Consult server logs on node rabbit@mqeef76
    
13. * If target node is configured to use long node names, don't forget to use --longnames with CLI tools
    
14. 
    
15. DIAGNOSTICS
    
16. ===========
    
17. 
    
18. attempted to contact: [rabbit@mqeef76]
    
19. 
    
20. rabbit@mqeef76:
    
21.   * connected to epmd (port 4369) on mqeef76
    
22.   * epmd reports: node 'rabbit' not running at all
    
23.                   no other nodes on mqeef76
    
24.   * suggestion: start the node
    
25. 
    
26. Current node details:
    
27. * node name: 'rabbitmqcli-24-rabbit@mqeef76'
    
28. * effective user's home directory: /opt/weaver/rabbitmq
    
29. * Erlang cookie hash: uwA6pPy2Z6X3QNPinvgy9w==
    

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通过以上错误信息，检查　/etc/rabbitmq/rabbitmq.conf　配置文件有没有错误，发现abbitmq.conf文件权限为640，把权限改为644，再次运行“service rabbitmq-server start”命令启动服务，发现已启动正常。

重新安装rabbitmq办法：
删除上次安装目录和信息残留，即删除rabbitmq目录和已有 mnesia 信息

1. rm -rf /opt/weaver/rabbitmq
   
2. rm -rf /var/lib/rabbitmq

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注：
安装日志文件：/opt/e-monitor/package//logs/install.log
rabbitmq账号密码文件：
/opt/e-monitor/package/ansible-rabbitmq/rabbitmq.yml  
/opt/e-monitor/package/config/db.properties

相关命令：
# 查看erlang版本
erl -version
Erlang (SMP,ASYNC_THREADS) (BEAM) emulator version 12.2.1

# 查看RabbitMQ版本号：
进入在escript目录下可以获取到版本号

1. # cd /usr/lib/rabbitmq/lib/rabbitmq_server-3.8.16/escript/
   
2. # rabbitmqctl version
   
3. 3.8.16

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# 检查RabbitMQ运行状态
rabbitmqctl status

# 查找RabbitMQ的安装路径
whereis rabbitmq
rabbitmq: /usr/lib/rabbitmq /etc/rabbitmq

# 启动 rabbitmq 服务
service rabbitmq-server start
systemctl start rabbitmq-server

# 关闭 rabbitmq 服务
service rabbitmq-server stop

# 重启 rabbitmq 服务
service rabbitmq-server restart

# 查看 rabbitmq 状态
service rabbitmq-server status

# 查看 rabbitmq 进程
我们可以通过ps -ef|grep rabbitmq命令来看 rabbitmq服务是否是启动
ps -ef | grep rabbitmq

http://www.admin365.cn/thread-112600-1-1.html   泛微_Ecology_10_运维管理平台手动部署方式安装过程
http://www.admin365.cn/thread-112697-1-1.html  泛微E10运维管理平台周边服务rabbitmq安装失败解决办法
http://www.admin365.cn/thread-112671-1-1.html  RabbitMQ启动报错的常见原因和解决方法
http://www.admin365.cn/thread-112659-1-1.html  RabbitMQ启动报错，journalctl日志：Error parsing configuration
http://www.admin365.cn/thread-112670-1-1.html  RabbitMQ启动报错，journalctl日志：gen_server,init_it,6