Nginx 发布 1.2.2 稳定版

　　轻量级web服务器 Nginx发布新的稳定版系列1.2.2。2012-07-03 上一个版本是2012-06-05的1.2.1 遗留历史稳定版是1.0.15/0.8.5，开发版本是1.3.2.这个版本的完全改进包括：(亮点在使用ip_hash时可以为服务器指定权重了)

　　Changes with nginx 1.2.2 03 Jul 2012

　　*) Change: the "single" parameter of the "keepalive" directive is now

　　ignored.

　　*) Change: SSL compression is now disabled when using all versions of

　　OpenSSL, including ones prior to 1.0.0.

　　*) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass"

　　directives, and the "server" directive inside the "upstream" block,

　　now support IPv6 addresses.

　　*) Feature: the "resolver" directive now support IPv6 addresses and an

　　optional port specification.

　　*) Feature: the "least_conn" directive inside the "upstream" block.

　　*) Feature: it is now possible to specify a weight for servers while

　　using the "ip_hash" directive.

　　*) Feature: it is now possible to use the "ip_hash" directive to balance

　　IPv6 clients.

　　*) Feature: the $status variable can now be used not only in the

　　"log_format" directive.

　　*) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug

　　had appeared in 1.1.12.

　　*) Bugfix: access to variables from SSI and embedded perl module might

　　not work after reconfiguration.

　　Thanks to Yichun Zhang.

　　*) Bugfix: in the ngx_http_xslt_filter_module.

　　Thanks to Kuramoto Eiji.

　　*) Bugfix: memory leak if $geoip_org variable was used.

　　Thanks to Denis F. Latypoff.

　　*) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path"

　　directives.

　　*) Bugfix: a segmentation fault might occur in a worker process on

　　shutdown if the "resolver" directive was used.

　　*) Bugfix: a segmentation fault might occur in a worker process if the

　　ngx_http_mp4_module was used.

　　*) Bugfix: in the ngx_http_mp4_module.

　　*) Bugfix: a segmentation fault might occur in a worker process if

　　conflicting wildcard server names were used.

　　*) Bugfix: nginx might be terminated abnormally on a SIGBUS signal on

　　ARM platform.

　　*) Bugfix: an alert "sendmsg() failed (9: Bad file number)" on HP-UX

　　while reconfiguration.