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"