Rabbitmq-server not starting on debian jessie

debian-jessierabbitmq

I have a VPS from digital ocean running jessie. I am trying to install rabbitmq-server on the machine but i am not able to start the server. 

/etc/init.d/rabbitmq-server start
Starting rabbitmq-server (via systemctl): rabbitmq-server.serviceJob for rabbitmq-server.service failed. See 'systemctl status rabbitmq-server.service' and 'journalctl -xn' for details. failed!`


systemctl status rabbitmq-server.service
● rabbitmq-server.service - LSB: Enable AMQP service provided by RabbitMQ broker
   Loaded: loaded (/etc/init.d/rabbitmq-server)
   Active: failed (Result: exit-code) since Mon 2015-10-19 04:36:33 EDT; 2min 33s ago
  Process: 16172 ExecStart=/etc/init.d/rabbitmq-server start (code=exited, status=1/FAILURE)

Oct 19 04:35:22 saltcode.in su[16183]: + ??? root:rabbitmq
Oct 19 04:35:22 saltcode.in su[16183]: pam_unix(su:session): session opened for user rabbitmq by (uid=0)
Oct 19 04:36:00 saltcode.in su[16236]: Successful su for rabbitmq by root
Oct 19 04:36:00 saltcode.in su[16236]: + ??? root:rabbitmq
Oct 19 04:36:00 saltcode.in su[16236]: pam_unix(su:session): session opened for user rabbitmq by (uid=0)
Oct 19 04:36:33 saltcode.in rabbitmq-server[16172]: Starting message broker: rabbitmq-serverFAILED - check /var/log/rabbitmq/startup_\{log, _err\} ... (warning).
Oct 19 04:36:33 saltcode.in rabbitmq-server[16172]: failed!
Oct 19 04:36:33 saltcode.in systemd[1]: rabbitmq-server.service: control process exited, code=exited status=1
Oct 19 04:36:33 saltcode.in systemd[1]: Failed to start LSB: Enable AMQP service provided by RabbitMQ broker.
Oct 19 04:36:33 saltcode.in systemd[1]: Unit rabbitmq-server.service entered failed state.

These are lines from log

/var/log/rabbitmq$ tail *
==> startup_err <==

==> startup_log <==
ERROR: epmd error for host saltcode: timeout (timed out)

Best Answer

If you get ERROR: epmd error for host saltcode: timeout (timed out) in your rabbitmq startup log it means that your rabbitmq instance can't find the Erland Port Mapper Daemon (epmd). The default port for epmd is 4369.

If you get an timeout error in the log you should check if the hostname in the log resolves by running ping hostname. If the hostname does not resolve you need to edit the /etc/hosts file and add an entry for the host.

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