[rabbitmq-discuss] Error: unable to connect to node rabbit at localhost: nodedown

Thu Jun 27 18:53:41 BST 2013

What does /etc/hosts look like? Can 'localhost' resolve?

On Thu, Jun 27, 2013 at 12:51 PM, Travis Jensen <travis.jensen at gmail.com>wrote:

>
> So I had rabbitmq working fine on my laptop, then had to reboot somewhere
> else where my hostname wouldn't resolve and it failed to start. As annoying
> as that was, I figured I would just wait until I got back to my DNS and
> then restart it.  Wrong.
>
> So, after searching and futzing for an hour, I decided I needed to upgrade
> anyway, so I uninstalled 3.0.4, cleaned up all the old configuration files,
> db directories and such, and installed 3.1.0 (note: Using OS X 10.7.5,
> Erlang R15B03 and Homebrew).
>
> Now, I continue to see the same behavior:
>
> $ rabbitmqctl add_user test test_pass
> Creating user "test" ...
> Error: unable to connect to node rabbit at localhost: nodedown
>
> DIAGNOSTICS
> ===========
>
> nodes in question: [rabbit at localhost]
>
> hosts, their running nodes and ports:
> - localhost: []
>
> current node details:
> - node name: nonode at nohost
> - home dir: /Users/travis
> - cookie hash: 92vmrXD/iLl+OKWxh4sEhQ==
>
> This is how things looked on startup:
>
> $ rabbitmq-server
>
>               RabbitMQ 3.1.0. Copyright (C) 2007-2013 VMware, Inc.
>   ##  ##      Licensed under the MPL.  See http://www.rabbitmq.com/
>   ##  ##
>   ##########  Logs: /usr/local/var/log/rabbitmq/rabbit at localhost.log
>   ######  ##        /usr/local/var/log/rabbitmq/rabbit at localhost-sasl.log
>   ##########
>               Starting broker... completed with 7 plugins.
>
> And the logs seem pretty nominal. Note that the *rabbitmqctl* connection
> never shows up, but I can telnet in to port 5672 and see a failed
> connection show up. Unsurprisingly, the issue seems to revolve around the
> *node: nonode at nohost* that I've highlighted in the logs below.  This
> behavior persists even if I explicitly set *
> RABBITMQ_NODENAME=rabbit at localhost* when I run rabbitmq-server.
>
> =INFO REPORT==== 27-Jun-2013::10:32:02 ===
> Starting RabbitMQ 3.1.0 on Erlang R15B03
> Copyright (C) 2007-2013 VMware, Inc.
> Licensed under the MPL.  See http://www.rabbitmq.com/
>
> =INFO REPORT==== 27-Jun-2013::10:32:02 ===
> *node           : nonode at nohost*
> home dir       : /Users/travis
> cookie hash    : 92vmrXD/iLl+OKWxh4sEhQ==
> log            : /usr/local/var/log/rabbitmq/rabbit at localhost.log
> sasl log       : /usr/local/var/log/rabbitmq/rabbit at localhost-sasl.log
> database dir   : /usr/local/var/lib/rabbitmq/mnesia/rabbit at localhost
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Limiting to approx 156 file handles (138 sockets)
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Memory limit set to 1439MB of 3597MB total.
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Disk free limit set to 1000MB
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> msg_store_transient: using rabbit_msg_store_ets_index to provide index
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> msg_store_persistent: using rabbit_msg_store_ets_index to provide index
>
> =WARNING REPORT==== 27-Jun-2013::10:32:03 ===
> msg_store_persistent: rebuilding indices from scratch
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Adding vhost '/'
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Creating user 'guest'
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Setting user tags for user 'guest' to [administrator]
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Setting permissions for 'guest' in '/' to '.*', '.*', '.*'
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> started TCP Listener on 127.0.0.1:5672
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Management plugin started. Port: 15672
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Statistics database started.
>
> =INFO REPORT==== 27-Jun-2013::10:32:03 ===
> Server startup complete; 7 plugins started.
>  * amqp_client
>  * mochiweb
>  * rabbitmq_management
>  * rabbitmq_management_agent
>  * rabbitmq_management_visualiser
>  * rabbitmq_web_dispatch
>  * webmachine
>
> My rabbitmq-env.conf file is pretty simple (the Homebrew default, in fact):
>
> CONFIG_FILE=/usr/local/etc/rabbitmq/rabbitmq
> NODE_IP_ADDRESS=127.0.0.1
> NODENAME=rabbit at localhost
>
> And, after going through my previous rabbitmq.config file to remove
> everything that either was a default or no longer existed as a
> configuration option, my configuration file looks like:
>
> [].
>
> Just to make sure I don't have any weird environment variables I didn't
> remember persisting, I ran a *set | grep -i rabbit* and got an empty
> set.  I also removed *~/.erlang.cookie*, to make sure it wasn't messing
> things up.
>
> So I've reached the end of what Google and the docs have been able to tell
> me. Help is most graciously appreciated.
>
> tj
>
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