RabbitMQ相關問題處理集合

Q1:服務啓動失敗，提示如下信息

Error description:
   {error,
       {cannot_delete_plugins_expand_dir,
           ["/var/lib/rabbitmq/mnesia/rabbit@cluster62-plugins-expand",
            {cannot_delete,
                "/var/lib/rabbitmq/mnesia/rabbit@cluster62-plugins-expand/amqp_client-3.6.8/ebin/amqp_rpc_client.beam",
                eacces}]}}


Log files (may contain more information):
   /var/log/rabbitmq/[email protected]
   /var/log/rabbitmq/[email protected]


Stack trace:
   [{rabbit_plugins,setup,0,[{file,"src/rabbit_plugins.erl"},{line,71}]},
    {rabbit,broker_start,0,[{file,"src/rabbit.erl"},{line,293}]},
    {rabbit,start_it,1,[{file,"src/rabbit.erl"},{line,417}]},
    {init,start_em,1,[]},
    {init,do_boot,3,[]}]

解決：

查看這個目錄/var/lib/rabbitmq/mnesia/rabbit@cluster62-plugins-expand所屬用戶及組名，正常應該是rabbitmq  

如果不是，可以使用chown -R rabbitmq.rabbitmq 目錄名   修改即可！