[erlang-bugs] inet_res:getbyname

Matthew O'Gorman <>
Thu Sep 6 16:08:43 CEST 2007


oh im sorry i didn't see that it was deprecated.  What is the
replacement for what I am trying to do, or is there no replacement you
just don't intend to support it anymore?

Matt

On 9/6/07, Raimo Niskanen <> wrote:
> Well, since this resolver is kind of deprecated; not really - we have
> paying customers using it, but almost deprecated. The native resolver
> is the one we want everyone to use since it calls the OS resolver
> and therefore should be perfectly bug compatible.
>
> Anyway, we have no strong reasons to put a lot of work into
> inet_res. But if it behaves strangely and we can fix it
> easily we will do it.
>
> I took a quick look into ets:tab2list(inet_db) for both
> -sname and -name and it seems res_domain, res_ns and
> res_search does not get initialized if started with
> -sname. It seems my host resolver configuration file is
> not read (/etc/resolv.conf). This rings a bell about
> cleanups we did about which host configuration files
> are read at startup (/etc{resolv.conf,nsswitch.conf,
> hosts,host.conf,irs.conf,...}. It was a mess and very bug prone.
> The idea is that the native resolver does it right
> so we shall use it.
>
> I have to talk to some people...
>
> Anyway, this means there are workarounds, at least using
> the infamous inetrc file, to set an inet_res configuration of your own.
>
>
>
> On Wed, Sep 05, 2007 at 07:01:57PM -0500, Matthew O'Gorman wrote:
> > inet_res:getbyname fails unless started with -name
> >
> >  erl
> >
> > Erlang (BEAM) emulator version 5.5.5 [source] [64-bit]
> > [async-threads:0] [hipe] [kernel-poll:false]
> >
> >
> >
> > Eshell V5.5.5  (abort with ^G)
> >
> > 1> inet_res:getbyname("_xmpp-server._tcp.digium.com",srv).
> >
> > {error,timeout}
> >
> > 2>
> >
> >
> >
> >  erl -sname matt
> >
> > Erlang (BEAM) emulator version 5.5.5 [source] [64-bit]
> > [async-threads:0] [hipe] [kernel-poll:false]
> >
> >
> >
> > Eshell V5.5.5  (abort with ^G)
> >
> > ()1> inet_res:getbyname("_xmpp-server._tcp.digium.com",srv).
> >
> > {error,timeout}
> >
> > ()2>
> >
> >
> >
> > erl -name matt
> >
> > Erlang (BEAM) emulator version 5.5.5 [source] [64-bit]
> > [async-threads:0] [hipe] [kernel-poll:false]
> >
> >
> >
> > Eshell V5.5.5  (abort with ^G)
> >
> > ()1>
> > inet_res:getbyname("_xmpp-server._tcp.digium.com",srv).
> >
> > {ok,{hostent,"_xmpp-server._tcp.digium.com",
> >
> >              [],
> >
> >              srv,
> >
> >              1,
> >
> >              [{5,0,5269,"jabber.digium.com"}]}}
> >
> > ()2>
> >
> >
> >
> >
> > This seems to have existed since r10b i was wondering if there are any
> > intentions on ever fixing it?
> >
> > Mog
> > _______________________________________________
> > erlang-bugs mailing list
> > 
> > http://www.erlang.org/mailman/listinfo/erlang-bugs
>
> --
>
> / Raimo Niskanen, Erlang/OTP, Ericsson AB
>



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