[erlang-questions] "amusing" error messages

Matej Kosik <>
Tue Sep 25 21:17:11 CEST 2007


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Hi,

I am not sure if anyone will be able (and have time) to give me some explanation (and since it is
already solved it is not critical to me now) but just out of curiousity (and for the future) I would
like to know how I should have interpreted the following error:

sudo erl +P 500000 -boot testing/nms -config testing/nms -name  -setcookie test
{error_logger,{{2007,9,25},{16,6,24}},crash_report,[[{pid,<0.26.0>},{registered_name,[]},{error_info,nouser},{initial_call,{gen,init_it,[gen_server,<0.9.0>,<0.9.0>,supervisor_bridge,[user_sup,[],self],[]]}},{ancestors,[kernel_sup,<0.8.0>]},{messages,[]},{links,[<0.9.0>]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,377},{stack_size,21},{reductions,321}],[]]}
{error_logger,{{2007,9,25},{16,6,24}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,nouser},{offender,[{pid,undefined},{name,user},{mfa,{user_sup,start,[]}},{restart_type,temporary},{shutdown,2000},{child_type,supervisor}]}]}
{error_logger,{{2007,9,25},{16,6,24}},crash_report,[[{pid,<0.7.0>},{registered_name,[]},{error_info,{shutdown,{kernel,start,[normal,[]]}}},{initial_call,{application_master,init,[<0.5.0>,<0.6.0>,{appl_data,kernel,[application_controller,erl_reply,auth,boot_server,code_server,disk_log_server,disk_log_sup,erl_prim_loader,error_logger,file_server_2,fixtable_server,global_group,global_name_server,heart,init,kernel_config,kernel_sup,net_kernel,net_sup,rex,user,os_server,ddll_server,erl_epmd,inet_db,pg2],undefined,{kernel,[]},[application,application_controller,application_master,application_starter,auth,code,code_aux,packages,code_server,dist_util,erl_boot_server,erl_distribution,erl_prim_loader,erl_reply,erlang,error_handler,error_logger,file,file_server,file_io_server,prim_file,global,global_group,global_search,group,heart,hipe_unified_loader,inet6_tcp,inet6_tcp_dist,inet6_udp,inet_config,inet_hosts,inet_gethost_native,inet_tcp_dist,init,kernel,kernel_config,net,net_adm,net_kern
el,os,ram_file,rpc,user,user_drv,user_sup,disk_log,disk_log_1,disk_log_server,disk_log_sup,dist_ac,erl_ddll,erl_epmd,erts_debug,gen_tcp,gen_udp,prim_inet,inet,inet_db,inet_dns,inet_parse,inet_res,inet_tcp,inet_udp,pg2,seq_trace,wrap_log_reader,zlib,otp_ring0],[],infinity,infinity},normal]}},{ancestors,[<0.6.0>]},{messages,[{'EXIT',<0.8.0>,normal}]},{links,[<0.6.0>,<0.5.0>]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,21},{reductions,2079}],[]]}
{error_logger,{{2007,9,25},{16,6,24}},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,[]]}}})
make: *** [nms_test] Error 1

?

This happened when I booted my Erlang release via `nohup' so that I could log out from the machine
where release has to run and provide services.

(Now I know that I should do that via `-detach' parameter but usage of `nohup' seemed (prior to I
learned about `-detach') suitable option. I was not able to determine what is wrong. Did VM crash?
Did my server crash? Did some internal library I used caused some problems?

Can somebody tell me (ex post) what happed there. I would provide more information if I knew what is
relevant. A crash dump?

Help is welcome

Regards
- --
Matej Košík
ICQ: 300133844
skype: matej_kosik
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