fastcgi bug when doing something a little tricky

[Kingsley Foreman]

i think you might be on to something,

The site is still very much in dev, so there might be a couple of invalid 
links showing up, ill check and report back.

Kingsley


--------------------------------------------------
From: "proforg" <proforg at maloletka.ru>
Sent: Sunday, July 06, 2008 2:25 AM
To: <nginx at sysoev.ru>
Subject: Re: fastcgi bug when doing something a little tricky

> Hi !
>
> On Sat, Jul 5, 2008 at 1:41 PM, Kingsley Foreman
> <kingsley at internode.com.au> wrote:
>>
>> im not using a proxy however I have
>>
>> fastcgi_read_timeout            600;
>>
>> secondly the code on that page that i was testing was the one line of php 
>> to
>> do the echo and the rest was just html i copy pasted from a random 
>> website.
>
> Please check carefully access log for this virtual host - may be this
> "random html" code loading some kind of images etc and these requests
> are in turn processed by fastcgi ?
>
>>
>> Kingsley
>>
>> --------------------------------------------------
>> From: "Dave Cheney" <dave at cheney.net>
>> Sent: Saturday, July 05, 2008 5:29 PM
>> To: <nginx at sysoev.ru>
>> Subject: Re: fastcgi bug when doing something a little tricky
>>
>>> Check the value of
>>>
>>> proxy_read_timeout
>>>
>>> We've had sporadic issues with double posts to comments and other 
>>> 'should
>>> not happen' issues even though we've debounced all the buttons  for a 
>>> while
>>> now. Until now I've put it down to PEBKAC but thinking  about your issue 
>>> I
>>> wonder if its actually a problem with my config.  What could be 
>>> happening is
>>> your request is being queued on more than  one upstream. Even though 
>>> nginx
>>> discards the responses from backends  that is has timed out, that does 
>>> not
>>> roll back the effects of those  upstreams that have already processed 
>>> the
>>> request, and being a POST  request it is likely that it will be some 
>>> kind of
>>> database modification.
>>>
>>> I had a quick hack at constructing a config which will attempt GETS
>>> multiple times and POSTS only once.
>>>
>>> location /controller/update {
>>> if ($request_method == 'POST') {
>>> break;
>>> proxy_pass http://mongrel_post;
>>> }
>>> proxy_pass http://mongrel_get;
>>> }
>>>
>>> upstream mongrel_get {
>>> localhost:8080 fail_timeout=0;
>>> localhost:8081 fail_timeout=0;
>>> }
>>>
>>> upstream mongrel_post {
>>> localhost:8080 max_fails=1 fail_timeout=0;
>>> localhost:8081 max_fails=1 fail_timeout=0;
>>> }
>>>
>>> Igor, could you see a need for a proxy configuration variable that 
>>> treats
>>> Non-idempotent specially.
>>>
>>> Cheers
>>>
>>> Dave
>>>
>>> On 05/07/2008, at 4:29 PM, Kingsley Foreman wrote:
>>>
>>>> Hi folks,
>>>>
>>>> Ive just found a bug/feature when using fastcgi in a slightly  unusual
>>>> manner.
>>>>
>>>> nginx version: nginx/0.6.31
>>>>
>>>> http://websiteurl/article.php
>>>>
>>>> works fine
>>>>
>>>> however if you do
>>>>
>>>> http://websiteurl/article.php/blah/blah
>>>>
>>>> It will still run article.php like i want it to do however depending 
>>>> on
>>>> the length of html the script it runs it multiple times
>>>>
>>>> eg. if I add
>>>> exec("/bin/echo 1 >> /data/www/test");
>>>> to the top of article.php and go to
>>>>
>>>> http://websiteurl/article.php
>>>>
>>>> it returns
>>>> ___________________
>>>> 1
>>>> ___________________
>>>>
>>>> however if i go to
>>>> http://websiteurl/article.php/1/
>>>>
>>>> it returns
>>>> __________________
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> 1
>>>> ___________________
>>>>
>>>> Its a bit of a problem for what im trying to do as i would ideally 
>>>> like
>>>> to have
>>>> http://websiteurl/article/id/name/etc
>>>> and have it process article as a php script
>>>>
>>>> Kingsley Foreman
>>>> Technical Leader Content Services / Content Management Group
>>>>
>>>> =============================================
>>>> Internode Systems Pty Ltd
>>>>
>>>> PO Box 284, Rundle Mall 5000
>>>> Level 5 150 Grenfell Street, Adelaide 5000
>>>> Phone:  +61 8 8228 2978
>>>> Fax:    +61 8 8235 6978
>>>> Web:    http://www.internode.on.net
>>>>     http://games.internode.on.net
>>>> =============================================
>>>>
>>>>
>>>
>>>
>>>
>>
>>
>
>
>
> -- 
> Alexej Bestchiokov
> EMail/JID: proforg at maloletka.ru
> phone: +7 495 7853149
>
>