>
> ------------------------------
>
> Message: 9
> Date: Thu, 24 Nov 2011 14:17:44 +0400
> From: Maxim Dounin <mdounin@mdounin.ru>
> To: nginx@nginx.org
> Subject: Re: Nginx Cache and WP canonical URL create infinite loop
> (bug ?)
> Message-ID: <20111124101744.GA95664@mdounin.ru>
> Content-Type: text/plain; charset=us-ascii
>
> Hello!
>
> On Thu, Nov 24, 2011 at 09:50:10AM +0100, Simone Fumagalli wrote:
>
>> On 11/23/2011 06:41 PM, Maxim Dounin wrote:
>>> With this config, the cache key for the request to
>>> "http://www.mysite.com/my-page//" will be
>>> "http://ALL_backend/my-page//".
>>
>> Well, I was wrong. In another file, on main level, I've
>>
>> proxy_cache_key "$scheme://$host$request_uri";
>
> With this proxy_cache_key the key (for the same request) will be
> "http://www.mysite.com/my-page//".
>
> Maxim Dounin
>

Hi, this is the situation:
dave@therock:~> uname -a
FreeBSD therock.office.lan 8.2-STABLE FreeBSD 8.2-STABLE #0: Sat Aug 27 08:47:51 CEST 2011 root@therock.office.lan:/usr/obj/usr/src/sys/THEROCK amd64
dave@therock:~> pkg_info | grep -i nginx
nginx-1.0.10_1,1 Robust and small WWW server
dave@therock:/usr/ports/www/nginx> sudo make showconfig | grep '=on'
HTTP_MODULE=on "Enable HTTP module"
HTTP_CACHE_MODULE=on "Enable http_cache module"
HTTP_GEOIP_MODULE=on "Enable http_geoip module"
HTTP_REWRITE_MODULE=on "Enable http_rewrite module"
HTTP_SSL_MODULE=on "Enable http_ssl module"
HTTP_STATUS_MODULE=on "Enable http_stub_status module"
CACHE_PURGE_MODULE=on "3rd party cache_purge module"
HEADERS_MORE_MODULE=on "3rd party headers_more module"
dave@therock:/usr/ports/www/nginx>

proxy_cache_path /usr/local/www/cache/myhost levels=1:2 keys_zone=MYHOST:125m inactive=24h max_size=2g;

server {
listen 80;
access_log /var/log/nginx/myhost-test-access.log upstream;
error_log /var/log/nginx/myhost-test-error.log;
server_name myhost.foo.bar;

proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_store_access user:rw group:rw all:r;
proxy_max_temp_file_size 0;
proxy_cache_key "$scheme://$host$request_uri";
proxy_intercept_errors on;

proxy_ignore_headers "Expires" "X-Accel-Expires" "Cache-Control";
proxy_connect_timeout 10;

location ~ /purge(/.*) {
allow 127.0.0.1;
allow 172.16.16.189;
deny all;
proxy_cache_purge MYHOST "$scheme://$host$1$is_args$args";
}


location / {
proxy_cache MYHOST;
proxy_cache_valid 200 1h;
proxy_cache_valid 404 30m;
proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504;
proxy_pass http://172.16.16.227:80;
}
}

then I'm requesting the following url (2 times):
[dave@ext ~]$ wget "http://myhost.foo.bar/tomato//#"
--2011-11-25 10:18:20-- http://myhost.foo.bar/tomato//
[…]

100%[======================================>] 10 --.-K/s in 0s

2011-11-25 10:18:20 (778 KB/s) - `index.html' saved [10/10]

[dave@ext ~]$

In the cache folder I see:
root@therock:/usr/local/www/cache/myhost# more 9/75/2d047ea530c6f984d115c0b9fd23c759
Bk<CF>N^@^@^@^@<FF><FF><FF><FF><FF><FF><FF><FF>2]<CF>N^@^@^@^@M<A0>A<91>^@^@Z^@i^A^@^@^@^@^@^@
KEY: http://myhost.foo.bar/tomato//
HTTP/1.1 200 OK
Date: Fri, 25 Nov 2011 09:17:38 GMT
Server: Apache/2.2.21 (FreeBSD) mod_ssl/2.2.21 OpenSSL/0.9.8q DAV/2 PHP/5.3..8 with Suhosin-Patch mod_perl/2.0.5 Perl/v5.12.4
X-Powered-By: PHP/5.3.8
Content-Length: 10
Connection: close
Content-Type: text/html

1322212658
root@therock:/usr/local/www/cache/myhost#

And it seems that the key has a wrong value, isn't?

Thanks in advance,
d.
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