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

[平常心态]

hi, all
    some error come up when I want to get some status of my rabbitmq-server
    the site http://www.rabbitmq.com/install.html#troubleshooting said that I should make sure the erlang cookies are the same, but I am new to erlang ,I don't know how to make sure.


below is the output,
    /------------------------------------rabbitmqctl status-------------------------------/
dev at dev:~/source/rabbitmq/sbin$ ./rabbitmqctl status                   
Status of node rabbit at dev ...
Error: unable to connect to node rabbit at dev: nodedown


=ERROR REPORT==== 4-Aug-2011::09:29:10 ===
Error in process <0.36.0> on node 'rabbitmqctl14242 at dev' with exit value: {badarg,[{erlang,list_to_existing_atom,["rabbit at Fanqu-WorkStation"]},{dist_util,recv_challenge,1},{dist_util,handshake_we_started,1}]}


diagnostics:
- nodes and their ports on dev: [{rabbit,56129},{rabbitmqctl14242,38839}]
- current node: rabbitmqctl14242 at dev
- current node home dir: /home/dev
- current node cookie hash: t6gCD5tZzOtYsVS32gQgwA==



    /------------------------------------hostname -s-------------------------------/
dev at dev:~/source/rabbitmq/sbin$ hostname -s
dev
dev at dev:~/source/rabbitmq/sbin$ cat /etc/hosts
127.0.0.1       localhost
127.0.1.1       dev



    /------------------------------------ps aux | grep beam -------------------------------/
dev at dev:~/source/rabbitmq/sbin$ ps aux | grep beam
dev      21051  0.0  0.3  56980  8080 ?        Sl   Jul26   3:44 /usr/lib/erlang/erts-5.7.4/bin/beam.smp -W w -K true -A30 -P 1048576 -- -root /usr/lib/erlang -progname erl -- -home /home/dev -- -noshell -noinput -sname rabbit at Fanqu-WorkStation -boot /home/dev/rabbitmq/data/rabbit at Fanqu-WorkStation-plugins-expand/rabbit -kernel inet_default_listen_options [{nodelay,true}] -kernel inet_default_connect_options [{nodelay,true}] -sasl errlog_type error -kernel error_logger {file,"/home/dev/rabbitmq/log/rabbit at Fanqu-WorkStation.log"} -sasl sasl_error_logger {file,"/home/dev/rabbitmq/log/rabbit at Fanqu-WorkStation-sasl.log"} -os_mon start_cpu_sup true -os_mon start_disksup false -os_mon start_memsup false -mnesia dir "/home/dev/rabbitmq/data/rabbit at Fanqu-WorkStation" -noshell -noinput
dev      30911  0.0  0.0   3552   916 pts/2    S+   09:40   0:00 grep --color=auto beam
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