RabbitMQ启动报错，journalctl日志：Error parsing configuration

ubuntu 22.04 系统,运行RabbitMQ启动命令"service rabbitmq-server start"时出错，提示如下：

1. root@mq00b34:~# service rabbitmq-server start
   
2. Job for rabbitmq-server.service failed because the control process exited with error code.
   
3. See "systemctl status rabbitmq-server.service" and "journalctl -xeu rabbitmq-server.service" for details.
   
4. root@mq00b34:~# ^C
   

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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 08 13:51:47 mq00b34 rabbitmq-server[1329294]: Configuring logger redirection
   
2. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.526 [error] Error parsing configuration:
   
3. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.538 [error] File operation error: eacces. Target: /etc/rabbitmq/rabbitmq.conf. Function: get_file. Process: rabbit_prelau>
   
4. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.543 [error]   - Could not open file (/etc/rabbitmq/rabbitmq.conf) for Reason undefined
   
5. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.544 [error] Are these files using the Cuttlefish format?
   
6. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.546 [error]
   
7. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.546 [error] BOOT FAILED
   
8. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: BOOT FAILED
   
9. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.546 [error] ===========
   
10. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: ===========
    
11. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.546 [error] Error during startup: {error,failed_to_parse_configuration_file}
    
12. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: Error during startup: {error,failed_to_parse_configuration_file}
    
13. Feb 08 13:51:48 mq00b34 rabbitmq-server[1329294]: 13:51:48.546 [error]
    
14. Feb 08 13:51:49 mq00b34 rabbitmq-server[1329294]: 13:51:49.548 [error] Supervisor rabbit_prelaunch_sup had child prelaunch started with rabbit_prelaunch:run_prelaunch_first_phase()>
    
15. Feb 08 13:51:49 mq00b34 rabbitmq-server[1329294]: 13:51:49.548 [error] CRASH REPORT Process <0.152.0> with 0 neighbours exited with reason: {{shutdown,{failed_to_start_child,prelau>
    
16. Feb 08 13:51:51 mq00b34 rabbitmq-server[1329294]: {"Kernel pid terminated",application_controller,"{application_start_failure,rabbitmq_prelaunch,{{shutdown,{failed_to_start_child,p>
    
17. Feb 08 13:51:51 mq00b34 rabbitmq-server[1329294]: Kernel pid terminated (application_controller) ({application_start_failure,rabbitmq_prelaunch,{{shutdown,{failed_to_start_child,pr>
    
18. Feb 08 13:51:51 mq00b34 rabbitmq-server[1329294]:
    
19. Feb 08 13:51:51 mq00b34 rabbitmq-server[1329294]: Crash dump is being written to: erl_crash.dump...done
    
20. Feb 08 13:51:51 mq00b34 systemd[1]: rabbitmq-server.service: Main process exited, code=exited, status=1/FAILURE
    

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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，再次启动服务，一切正常。

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