Who could explain error backtrace of erlang?
質問
- Is there a good method to print pretty error trace in shell?
- How to understand the error trace?
Thanks!
error 2012-05-30 15:53:49 <0.132.0> {supervisor_report,
[{supervisor,{local,ems_media_sup}},
{errorContext,child_terminated},
{reason,{undef,[{erlang,raise,[{timeout,
{rtmp,<<"http://video.zengee.com/clip.mp4">>}}],""},{rtmp_lib,play,1,[{file,"src/rtmp_lib.erl"},
{line,159}]}, {ems_media,handle_info,2,
[{file,"src/media/ems_media.erl"},
{line,837}]},{gen_server_ems,handle_msg,5,[{file,"src/core/gen_server_ems.erl"},
{line,580}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,227}]}]}},
{offender,[{pid,<0.718.0>},{name,ems_media},{mfargs,{ems_media,start_link,
[rtmp_media,[{host,default},{name,<<"videojs">>},
{type,rtmp},{url,"http://video.zengee.com/clip.mp4"}]]}},{restart_type,permanent},{shutdown,3000},{child_type,worker}]}]}
解決
See reason
tag. In your example:
{reason,{undef,[{erlang,raise,[{timeout,...
Erlang undef - The function cannot be found when evaluating a function call.
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