bug#12893: 24.2.50; url-retrieve fails for localhost

[Dmitry Gutov]

On 22.12.2012 14:07, Andreas Schwab wrote:
> Dmitry Gutov <dgutov@yandex.ru> writes:
>
> > On 22.12.2012 13:44, Andreas Schwab wrote:
> > > Dmitry Gutov <dgutov@yandex.ru> writes:
> > >
> > > > On 22.12.2012 7:03, Chong Yidong wrote:
> > > > > Dmitry Gutov <dgutov@yandex.ru> writes:
> > > > >
> > > > > > I have an HTTP server running, started from an inferior process.
> > > > > >
> > > > > > If I evaluate (switch-to-buffer (url-retrieve-synchronously
> > > > > > "http://localhost:24959/classes";)), it brings me to an empty buffer
> > > > > > which has "failed" in the mode line.
> > > > > >
> > > > > > If I call the asynchronous version, it passes this into the callback:
> > > > > >
> > > > > > ((:error (error connection-failed failed with code 111
> > > > > >     :host localhost :service 24959)))
> > > > >
> > > > > I think this may be the same as Bug#12374, which was just fixed by
> > > > > Takafumi Arakaki.  Could you try again with latest trunk and see if the
> > > > > problem is still there?
> > > >
> > > > Tried it, still there.
> > >
> > > Why did localhost:24959 refuse connection?
> >
> > How can I find out the answer?
>
> Look at the server log?

The access log is empty. And there's nothing printed to stderr. When 
connecting from Emacs to "localhost", that is.

I'll try to concoct a minimal example a bit later.