Failed to start LSB: Enable AMQP service provided by RabbitMQ broker.

在 CentOS 7.2 安装 RabbitMQ ，启动时提示以下信息：

# /sbin/service rabbitmq-server start
Starting rabbitmq-server (via systemctl): Job for rabbitmq-server.service failed because the control process exited with error code. See "systemctl status rabbitmq-server.service" and "journalctl -xe" for details.
[失败]

查看具体错误信息

按照提示，执行提示中的命令：

# journalctl -xeIf you believe that inet_gethost should be allowed read access on the unix file by default.Then you should report this as a bug.You can generate a local policy module to allow this access.Doallow this access for now by executing:# grep inet_gethost /var/log/audit/audit.log | audit2allow -M mypol# semodule -i mypol.pp9月 12 12:46:45 192.168.1.155 su[16863]: pam_unix(su:session): session closed for user rabbitmq
9月 12 12:46:45 192.168.1.155 rabbitmq-server[16469]: Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log, _err}
9月 12 12:46:45 192.168.1.155 rabbitmq-server[16469]: rabbitmq-server.
9月 12 12:46:45 192.168.1.155 systemd[1]: rabbitmq-server.service: control process exited, code=exited status=1
9月 12 12:46:45 192.168.1.155 systemd[1]: Failed to start LSB: Enable AMQP service provided by RabbitMQ broker.
-- Subject: Unit rabbitmq-server.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit rabbitmq-server.service has failed.
--
-- The result is failed.
9月 12 12:46:45 192.168.1.155 systemd[1]: Unit rabbitmq-server.service entered failed state.
9月 12 12:46:45 192.168.1.155 systemd[1]: rabbitmq-server.service failed.
9月 12 12:46:45 192.168.1.155 systemd[1]: Removed slice user-986.slice.
-- Subject: Unit user-986.slice has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit user-986.slice has finished shutting down.
9月 12 12:46:45 192.168.1.155 systemd[1]: Stopping user-986.slice.
-- Subject: Unit user-986.slice has begun shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit user-986.slice has begun shutting down.
9月 12 12:46:46 192.168.1.155 polkitd[4950]: Unregistered Authentication Agent for unix-process:16463:35625599 (system bus name :1.1502, object path /org/freedesktop/PolicyKit1/Authentication

# systemctl status rabbitmq-server.service
● rabbitmq-server.service - LSB: Enable AMQP service provided by RabbitMQ brokerLoaded: loaded (/etc/rc.d/init.d/rabbitmq-server)Active: failed (Result: exit-code) since 一 2016-09-12 12:46:45 CST; 1min 22s agoDocs: man:systemd-sysv-generator(8)Process: 16469 ExecStart=/etc/rc.d/init.d/rabbitmq-server start (code=exited, status=1/FAILURE)9月 12 12:46:40 192.168.1.155 systemd[1]: Starting LSB: Enable AMQP service provided by RabbitMQ broker...
9月 12 12:46:41 192.168.1.155 su[16556]: (to rabbitmq) root on none
9月 12 12:46:43 192.168.1.155 su[16863]: (to rabbitmq) root on none
9月 12 12:46:43 192.168.1.155 su[16862]: (to rabbitmq) root on none
9月 12 12:46:45 192.168.1.155 rabbitmq-server[16469]: Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log, _err}
9月 12 12:46:45 192.168.1.155 rabbitmq-server[16469]: rabbitmq-server.
9月 12 12:46:45 192.168.1.155 systemd[1]: rabbitmq-server.service: control process exited, code=exited status=1
9月 12 12:46:45 192.168.1.155 systemd[1]: Failed to start LSB: Enable AMQP service provided by RabbitMQ broker.
9月 12 12:46:45 192.168.1.155 systemd[1]: Unit rabbitmq-server.service entered failed state.
9月 12 12:46:45 192.168.1.155 systemd[1]: rabbitmq-server.service failed.

输出信息中关键的一句：Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log, _err}

# cat /var/log/rabbitmq/startup_err

发现文件是空的；

# cat /var/log/rabbitmq/startup_log
ERROR: epmd error for host 192: badarg (unknown POSIX error)

解决方法

看到日志信息了，还是一脸的懵逼啊！

搜索吧，万能的搜索啊！

找到一要救命稻草：http://stackoverflow.com/questions/8633882/rabbitmq-on-ubuntu-10-04-server

按照第一个方法，查看了一下自己的hostname

# hostname
192.168.1.155

居然是IP地址；

编辑 /etc/hosts 文件

# vi /etc/hosts127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4 192.168.1.155
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

示例，假如你的 hostname 是 67714

suvim /etc/hosts127.0.0.1 localhost.localdomain   localhost  67714::1       localhost6.localdomain6 localhost6service rabbitmq-server start

但是不管用啊，还是一样的错误，可能是因为我的hostname是IP地址的原因吧，具体没有去测试；

试一下另一个解决方案吧！

其实官网都提示啦，只是自己英语太差，根本没把它当回事！

# vi /etc/rabbitmq/rabbitmq-env.confNODENAME=rabbit@localhost

只需要在文件中写是一句“NODENAME=rabbit@localhost”，保存就OK啦；

# /sbin/service rabbitmq-server start
Starting rabbitmq-server (via systemctl):                  [  确定  ]

启动成功，问题解决了！

小结

英语英语英语，还是英语啊，搞IT的英语不好真不行！

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