rabbitmq启动报错Error: unable to connect to node rabbit@node nodedown

admin

Jul 31 13:38:47 controller1 rabbitmq-server: init terminating in do_boot ()
' _- B- v; b* [Jul 31 13:38:50 controller1 rabbitmq-server: Crash dump is being written to: erl_crash.dump...done
' `, D6 u, }7 @- }; k) v4 D( }Jul 31 13:38:50 controller1 systemd: rabbitmq-server.service: main process exited, code=exited, status=1/FAILURE
Jul 31 13:38:51 controller1 rabbitmqctl: Stopping and halting node rabbit@controller1 ...
; q  j- p2 q' c! gJul 31 13:38:51 controller1 rabbitmqctl: Error: unable to connect to node rabbit@controller1: nodedown

; M, p+ Q* F7 h2 J/ J3 J- V遇到问题：
rabbitmq很特别，在保证端口不被冲突的情况下，需要配置rabbitmq-env，这样的话rabbitmq的端口才会写到本机的端口上，才不会和haproxy启动的端口发生冲突。
. |  P1 B8 J8 B/ A! g
, p% s7 G# N, l+ |" k/ prabbitmq-env这个文件呢，配置RABBITMQ_NODE_IP_ADDRESS="controller3
( O8 L( S0 s; m. ]是错的，千万要记住哦，
这个地方必须写成IP地址：
例如：
) {* F% v& Y( f- f cat /etc/rabbitmq/rabbitmq-env.conf
. G4 T, L1 n0 i3 ]9 h9 c; G RABBITMQ_NODE_IP_ADDRESS="192.168.26.7"

' l* T$ ]* N- k% [+ I& y+ _启动就会正常了。

admin

完整的报错如下所示：
5 W" V) o3 A6 |6 N  u& E6 i- xJul 31 13:49:31 controller1 rabbitmq-server: {"init terminating in do_boot",{could_not_start,rabbit,{{case_clause,{error,{{shutdown,{failed_to_start_child,{ranch_listener_sup,{acceptor,{65152,0,0,0,2560,10239,65075,43643},5672}},{shutdown,{failed_to_start_child,ranch_acceptors_sup,{listen_error,{acceptor,{65152,0,0,0,2560,10239,65075,43643},5672},einval}}}}},{child,undefined,'rabbit_tcp_listener_sup_FE80::A00:27FF:FE33:AA7B:5672',{tcp_listener_sup,start_link,[{65152,0,0,0,2560,10239,65075,43643},5672,ranch_tcp,[inet6,binary,{packet,raw},{reuseaddr,true},{backlog,128},{nodelay,true},{exit_on_close,false},{keepalive,true}],rabbit_connection_sup,[],{rabbit_networking,tcp_listener_started,[amqp]},{rabbit_networking,tcp_listener_stopped,[amqp]},10,"TCP Listener"]},transient,infinity,supervisor,[tcp_listener_sup]}}}},[{rabbit_networking,start_listener0,5,[{file,"src/rabbit_networking.erl"},{line,293}]},{rabbit_networking,'-start_listener/5-lc$^0/1-0-',5,[{file,"src/rabbit_networking.erl"},{line,281}]},{rabbit_networking,start_listener,5,[{file,"src/rabbit_networking.erl"},{line,281}]},{rabbit_networking,'-boot_tcp/1-lc$^0/1-0-',2,[{file,"src/rabbit_networking.erl"},{line,131}]},{rabbit_networking,boot_tcp,1,[{file,"src/rabbit_networking.erl"},{line,131}]},{rabbit_networking,boot,0,[{file,"src/rabbit_networking.erl"},{line,126}]},{rabbit_boot_steps,'-run_step/2-lc$^1/1-1-',1,[{file,"src/rabbit_boot_steps.erl"},{line,49}]},{rabbit_boot_steps,run_step,2,[{file,"src/rabbit_boot_steps.erl"},{line,49}]}]}}}
4 k# }5 c0 F5 x, F! V, JJul 31 13:49:31 controller1 rabbitmq-server: init terminating in do_boot ()
8 g+ b( ^& @! V6 d' G0 jJul 31 13:49:34 controller1 rabbitmq-server: Crash dump is being written to: erl_crash.dump...done
Jul 31 13:49:34 controller1 systemd: rabbitmq-server.service: main process exited, code=exited, status=1/FAILURE
Jul 31 13:49:35 controller1 rabbitmqctl: Stopping and halting node rabbit@controller1 ...
8 j3 R- m2 n5 X0 Y# j9 B2 ~: }Jul 31 13:49:35 controller1 rabbitmqctl: Error: unable to connect to node rabbit@controller1: nodedown
Jul 31 13:49:35 controller1 rabbitmqctl: DIAGNOSTICS
; u' p" W* e3 Q% R! LJul 31 13:49:35 controller1 rabbitmqctl: ===========
' q( s' \9 i) g# \; |6 h; P- EJul 31 13:49:35 controller1 rabbitmqctl: attempted to contact: [rabbit@controller1]
6 w' z& \# @/ H% A1 eJul 31 13:49:35 controller1 rabbitmqctl: rabbit@controller1:
Jul 31 13:49:35 controller1 rabbitmqctl: * connected to epmd (port 4369) on controller1
Jul 31 13:49:35 controller1 rabbitmqctl: * epmd reports: node 'rabbit' not running at all
Jul 31 13:49:35 controller1 rabbitmqctl: no other nodes on controller1
; l" S. Y' q+ ?/ MJul 31 13:49:35 controller1 rabbitmqctl: * suggestion: start the node
Jul 31 13:49:35 controller1 rabbitmqctl: current node details:
9 z. X$ @1 U1 V. HJul 31 13:49:35 controller1 rabbitmqctl: - node name: 'rabbitmq-cli-32@controller1'
Jul 31 13:49:35 controller1 rabbitmqctl: - home dir: /var/lib/rabbitmq
# D( |( {' ]; x+ _0 a2 y) S4 C2 tJul 31 13:49:35 controller1 rabbitmqctl: - cookie hash: buJnXDIImBT/HahybX0c7A==
Jul 31 13:49:35 controller1 systemd: Failed to start RabbitMQ broker.
7 m; l0 ~3 T: l  G- i& l2 WJul 31 13:49:35 controller1 systemd: Unit rabbitmq-server.service entered failed state.
Jul 31 13:49:35 controller1 systemd: rabbitmq-server.service failed.

admin

解决办法：
检查修改rabbitmq-env.conf文件，写成ip地址就可以了。hosts域名解析不可用。