[drakma-devel] http-request returns nil

Andrei Stebakov lispercat at gmail.com
Fri May 9 19:37:47 UTC 2008


Unfortunately it's not a public url, and it uses some authorization tokens
in the request, so I can't disclose it.
I am using drakma-0.11.5 and chunga-0.4.2 on Ubuntu with sbcl-1.0.15.
I am going to use *header-stream* to see if it gives some clue.

Andrew

On Fri, May 9, 2008 at 3:21 PM, Edi Weitz <edi at agharta.de> wrote:

> On Fri, 9 May 2008 14:48:10 -0400, "Andrei Stebakov" <lispercat at gmail.com>
> wrote:
>
> > I am using http-request to upload files on some web-site. The
> > problem is that sometimes the function returns a nil response so I
> > just have to repeat it again with the same parameters.  Sometimes it
> > take up to 8 retries to make the request return a non-nil response.
> > I wonder if you saw it before or how can I debug it? The function
> > doesn't take long to return with nil result. I mean the whole file
> > upload can take 10 seconds, so the http-request may return nil
> > within those 10 seconds. Is some timeout or the connection gets
> > broken between the hosts? There is no exception raised as well, it
> > just silently returns nil.
>
> Hmm, it should definitely not just silently return NIL, but we
> probably need a tiny little bit more info from you:
>
> Which Lisp?  Which operating system?  Which version of Drakma and
> Chunga?  Have you tried to trace the headers when this happens?
>
>  http://weitz.de/drakma/#*header-stream*
>
> Is this a public URL so we can try to reproduce your problem?
>
> Edi.
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