id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
51	nginx cache file  md5 collision	www.google.com/accounts/o8/id?id=AItOawkan2535CCufUE3eUGl9YfITdNzBkpD8ac	somebody	"The url : 
http://www.ads119.com/player/nanrenbang/nanrenbang-38212-93019-1234567890-8.html
and 
http://www.ads119.com/player/nanrenbang/nanrenbang-38212-93019-1234567890-4.html

have the same cache file.

In the debug error log:

2011/11/10 13:10:06 [crit] 4475#0: *73 cache file ""/home2/cache2/2/9c/439320ddec62f770fbc2eaca73c659c2"" has md5 collision, client: 116.226.65.23, server: www.ads119.com, request: ""GET /player/nanrenbang/nanrenbang-38212-93019-1234567890-8.html HTTP/1.1"", host: ""www.ads119.com:8080""


[root@www logs]# head -n 2 /home2/cache2/2/9c/439320ddec62f770fbc2eaca73c659c2  | tail -n 1
KEY: http://www.ads119.com/player/nanrenbang/nanrenbang-38212-93019-1234567890-8.html
[root@www logs]# head -n 1 /home2/cache2/2/9c/439320ddec62f770fbc2eaca73c659c2  | hexdump  
0000000 86df 4ebb 0000 0000 3fca 4eba 0000 0000
0000010 5caf 4ebb 0000 0000 7226 0786 0000 007f
0000020 015b 5820 5448 4c4d 000a               
0000029

[root@www logs]# head -n 2 /home2/cache2/2/9c/439320ddec62f770fbc2eaca73c659c2  | tail -n 1
KEY: http://www.ads119.com/player/nanrenbang/nanrenbang-38212-93019-1234567890-4.html
[root@www logs]# head -n 1 /home2/cache2/2/9c/439320ddec62f770fbc2eaca73c659c2  | hexdump  
0000000 8813 4ebb 0000 0000 3fca 4eba 0000 0000
0000010 5de3 4ebb 0000 0000 b25d 7044 0000 007f
0000020 015b 5820 5448 4c4d 000a               
0000029

[root@www logs]# cat /etc/redhat-release 
CentOS release 5.7 (Final)

"	defect	closed	critical		nginx-core	1.0.x	fixed			Linux www 2.6.18-274.7.1.el5 #1 SMP Thu Oct 20 16:21:01 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux	"nginx: nginx version: nginx/1.0.9
nginx: configure arguments: --with-http_stub_status_module --prefix=/home2/nginx --with-debug"