解决RabbitMQ启动报错：Job for rabbitmq-server.service failed because the control process exited with error

rabbitMQ启动报错信息

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.
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解决问题

1. 查看IP地址

[root@master tools]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:5a:b6:6b brd ff:ff:ff:ff:ff:ff
    inet 172.20.10.13/28 brd 172.20.10.15 scope global noprefixroute dynamic ens33
       valid_lft 85563sec preferred_lft 85563sec
    inet6 2409:8907:21:c194:33d0:ef42:a537:d8c4/64 scope global noprefixroute 
       valid_lft forever preferred_lft forever
    inet6 fe80::d616:80a7:36e9:f53a/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 52:54:00:8a:00:1c brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever
4: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN group default qlen 1000
    link/ether 52:54:00:8a:00:1c brd ff:ff:ff:ff:ff:ff

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2.查看主机名称

[root@master tools]# hostname 
master

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3.设置主机名

hostnamectl set hostname master
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4.在 /etc/hosts 添加一条ip地址与主机名的映射记录

5.重启

systemctl restart rabbitmq-server
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6. 查看rabbitmq状态

systemctl status rabbitmq-server
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