[rabbitmq-discuss] "Already running" crash dump

[Andrew Scala]

I'm running 32bit Ubuntu 9.10 and installed the 'rabbitmq-server' package
from the ubuntu repositories.  I suppose when it installed it started the
daemon automatically.  I tried to run the command `sudo rabbitmq-server
start` from the terminal and was greeted with:

[ andrew at andrew-scala:~ ]$ sudo rabbitmq-server stop
{error_logger,{{2010,9,2},{13,55,20}},"Protocol: ~p: register error:
~p~n",["inet_tcp",{{badmatch,{error,duplicate_name}},[{inet_tcp_dist,listen,1},{net_kernel,start_protos,4},{net_kernel,start_protos,3},{net_kernel,init_node,2},{net_kernel,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}]}
{error_logger,{{2010,9,2},{13,55,20}},crash_report,[[{initial_call,{net_kernel,init,['Argument__1']}},{pid,<0.22.0>},{registered_name,[]},{error_info,{exit,{error,badarg},[{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}},{ancestors,[net_sup,kernel_sup,<0.9.0>]},{messages,[]},{links,[#Port<0.97>,<0.19.0>]},{dictionary,[{longnames,false}]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,24},{reductions,517}],[]]}
{error_logger,{{2010,9,2},{13,55,20}},supervisor_report,[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{'EXIT',nodistribution}},{offender,[{pid,undefined},{name,net_kernel},{mfa,{net_kernel,start_link,[[rabbit,shortnames]]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]}]}
{error_logger,{{2010,9,2},{13,55,20}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},{offender,[{pid,undefined},{name,net_sup},{mfa,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]}]}
{error_logger,{{2010,9,2},{13,55,20}},std_info,[{application,kernel},{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]}
{"Kernel pid
terminated",application_controller,"{application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}"}

Crash dump was written to: erl_crash.dump
Kernel pid terminated (application_controller)
({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}})

After doing some digging I found out that this is because rabbitmq-server
was running already, though I feel like this is something that should be
handled more appropriately, like letting the user know in a friendly way
something along the lines of "rabbitmq-server is already running!" rather
than giving me a cryptic erlang error message.

-- Andrew Scala
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