Re: Debugging 502 errors

hello,
have you checked your srvtimeout parameter? maybe your script is taking too long to reply to the haproxy and thats raises the timeout

regards

On Sun, Nov 22, 2009 at 8:59 PM, Nerilaunt Nerilaunt <nerilaunt#gmail.com> wrote:
> Hello,
>
> I have a quite big problem with Prestashop under Haproxy.
>
> When I try to use advanced features, I receive 502 errors : 502 Bad
> Gateway - The server returned an invalid or incomplete response.
>
> Error log give me something like that :
>
> Nov 22 20:03:10 localhost haproxy[29665]: 1.2.3.4:15870
> [22/Nov/2009:20:03:09.713] www srv-www1 25/0/0/-1/985 502 8396 - -
> PHVN 20/19/15/9/0 0/0 {domain.tld} "POST
> /boutique/urladmin/index.php?tab=AdminCatalog&id_category=1&token=bc27a5d070551ac1e057b5d54fd9dd78
> HTTP/1.1"
>
> Without Haproxy, it works fine.
>
> I know Haproxy give 502 errors when a bad header is sent by the app
> (like 'Location : index.php' instead of 'Location: index.php'), or if
> the backend server unexpectedly close the connection (honestly, I
> would prefer a more verbose message, who explains exactly what is the
> problem).
>
> But here, I don't see any errors like that.
>
> Do you have some ideas in order to debug that ? More verbose logs, tests, ...
> I tried with -d mode, but I can't find any 502 error ...
>
> I use Haproxy v. 1.3.22.
>
> Thanks in advance,
>
> Neri
>
>

-- 
Gabriel Sosa
Si buscas resultados distintos, no hagas siempre lo mismo. - Einstein