[erlang-questions] Unable to start ejabberd or use TCP/IP communication in erlang interpreter

Kenneth Lundin kenneth.lundin@REDACTED
Thu Dec 28 08:32:57 CET 2006


Hi,

Unfortunately you misspelled the call to gen_tcp:listen so we did not get
any useful tracing. Can you try once more and call
gen_tcp:listen(0,[]) when the tracing is initiated as before.

Regards Kenneth

On 12/28/06, Mikle <sign1024_3@REDACTED> wrote:
> Kenneth Lundin <kenneth.lundin <at> gmail.com> writes:
>
> >
> > Hi,
> >
> > In order to be able to find out the reason for this problem that has
> > been around for quite some time now I would like you to do the
> > following on the machine where the problem occurs:
> >
> > Start a Erlang node plain non distributed Erlang node and perform the
> > following in the shell:
> >
> > dbg:tracer().
> > dbg:p(all,c).
> > dbg:tp(inet,dbg:fun2ms(fun(_)->return_trace() end)).
> > dbg:tp(prim_inet,dbg:fun2ms(fun(_)->return_trace() end)).
> > dbg:tp(inet_config,dbg:fun2ms(fun(_)->return_trace() end)).
> >
> > % then try gen_tcp:listen as before
> >
> > gen_tcp:listen(0,[]).
> >
> > % You will get some trace printouts in the shell that I would like to see.
> > % from these we will hopefully be able to locate or at least get closer to the
> > % actual problem
> >
> > Regards Kenneth (Product Responsible for Erlang/OTP at Ericsson)
> >
>
> Thank You for advise.
>
> Here the trace printouts:
>
> Erlang (BEAM) emulator version 5.5.2 [async-threads:0]
>
> Eshell V5.5.2  (abort with ^G)
> 1> dbg:tracer().
> {ok,<0.32.0>}
> 2> dbg:p(all,c).
> {ok,[{matched,nonode@REDACTED,24}]}
> 3> dbg:tp(inet,dbg:fun2ms(fun(_)->return_trace() end)).
> {ok,[{matched,nonode@REDACTED,67},{saved,1}]}
> 4> dbg:tp(prim_inet,dbg:fun2ms(fun(_)->return_trace() end)).
> {ok,[{matched,nonode@REDACTED,47},{saved,1}]}
> 5> dbg:tp(inet_config,dbg:fun2ms(fun(_)->return_trace() end)).
> {ok,[{matched,nonode@REDACTED,4},{saved,1}]}
> 6> gen_tcp:listn(0,[]).
>
> =ERROR REPORT==== 28-Dec-2006::04:24:03 ===
> Error in process <0.30.0> with exit value: {undef,[{gen_tcp,listn,[0,[]]},{erl_e
> val,do_apply,5},{shell,exprs,6},{shell,eval_loop,3}]}
>
> ** exited: {undef,[{gen_tcp,listn,[0,[]]},
>                    {erl_eval,do_apply,5},
>                    {shell,exprs,6},
>                    {shell,eval_loop,3}]} **
> 7>
>
>
>
>
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-- 
im g@REDACTED!



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