Lighttpd

lighttpd.conf

$HTTP["host"] !~ "happy.dotple.com" {
        alias.url = (
                "/mysql" => "/home/admin/web_pub/mysql" 
        )
        $HTTP["url"] =~ "/mysql" {
                dir-listing.activate = "enable" 
        }
}

$HTTP["host"] =~ "happy.dotple.com" {
        server.name             = "happy.dotple.com" 
        server.document-root    = "/home/admin/web_pub" 
}

$HTTP["host"] =~ "^(www\.)?dotple.com" {
        server.name             = "dotple.com" 
        server.document-root    = "/home/tgyou/dotple.com" 
}

test url :
http://happy.dotple.com/mysql <- physical path
http://dotple.com/mysql <- aliased path

using r1992 :
all works fine.

using over r1992 version :
http://dotple.com/mysql <-
1 file 404 error -> /phpmyadmin.css.php

debug log (r2776)

2011-02-01 02:38:57 (trace) (response.c:307) -- splitting Request-URI
2011-02-01 02:38:57 (trace) (response.c:308) Request-URI  : /mysql/phpmyadmin.css.php?lang=en-utf-8&convcharset=utf-8&collation_connection=utf8_general_ci&token=03fc5abbb1b917bce860bfb7b0967200&js_frame=right&nocache=3888105608
2011-02-01 02:38:57 (trace) (response.c:309) URI-scheme   : http
2011-02-01 02:38:57 (trace) (response.c:310) URI-authority: dotple.com
2011-02-01 02:38:57 (trace) (response.c:311) URI-path     : /mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (response.c:312) URI-query    : lang=en-utf-8&convcharset=utf-8&collation_connection=utf8_general_ci&token=03fc5abbb1b917bce860bfb7b0967200&js_frame=right&nocache=3888105608
2011-02-01 02:38:57 (trace) (response.c:360) -- sanitizing URI
2011-02-01 02:38:57 (trace) (response.c:361) URI-path     : /mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (configfile-glue.c:513) === start of 2 condition block ===
2011-02-01 02:38:57 (trace) (configfile-glue.c:463) 'HTTP["url"]': '/mysql/phpmyadmin.css.php' is matched against '\.php$|\.html$'
2011-02-01 02:38:57 (trace) (configfile-glue.c:534) [2] result: true
2011-02-01 02:38:57 (trace) (configfile-glue.c:513) === start of 4 condition block ===
2011-02-01 02:38:57 (trace) (configfile-glue.c:225) checking if the parent (global/HTTPhost!~happy.dotple.com) evaluates to 'true'
2011-02-01 02:38:57 (trace) (configfile-glue.c:463) 'HTTP["url"]': '/mysql/phpmyadmin.css.php' is matched against '/mysql'
2011-02-01 02:38:57 (trace) (configfile-glue.c:534) [4] result: true
2011-02-01 02:38:57 (trace) (mod_access.c:138) -- handling file in mod_access
2011-02-01 02:38:57 (trace) (response.c:483) -- before doc_root
2011-02-01 02:38:57 (trace) (response.c:484) Doc-Root     : /home/tgyou/dotple.com
2011-02-01 02:38:57 (trace) (response.c:485) Rel-Path     : /mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (response.c:486) Path         : (null)
2011-02-01 02:38:57 (trace) (response.c:539) -- after doc_root
2011-02-01 02:38:57 (trace) (response.c:540) Doc-Root     : /home/tgyou/dotple.com
2011-02-01 02:38:57 (trace) (response.c:541) Rel-Path     : /mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (response.c:542) Path         : /home/tgyou/dotple.com/mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (mod_proxy_core.c:2194) handling it in mod_proxy_core: uri.path=/mysql/phpmyadmin.css.php
2011-02-01 02:38:57 (trace) (plugin.c:383) -- plugins_call_...: plugin 'mod_proxy_core' returns 2
2011-02-01 02:38:57 (response.c:144) Response-Header:
HTTP/1.1 404 Not Found^M
X-Powered-By: PHP/5.2.17^M
Content-type: text/html^M
Vary: Accept-Encoding^M
Content-Encoding: gzip^M
Transfer-Encoding: chunked^M
Date: Mon, 31 Jan 2011 17:38:57 GMT^M
Server: lighttpd^M

debug log (r1992)

response.c.226: (trace) -- splitting Request-URI^M
response.c.227: (trace) Request-URI  : /mysql/phpmyadmin.css.php?token=03fc5abbb1b917bce860bfb7b0967200&js_frame=right&nocache=3888105608^M
response.c.228: (trace) URI-scheme   : http^M
response.c.229: (trace) URI-authority: dotple.com^M
response.c.230: (trace) URI-path     : /mysql/phpmyadmin.css.php^M
response.c.231: (trace) URI-query    : token=03fc5abbb1b917bce860bfb7b0967200&js_frame=right&nocache=3888105608^M
response.c.285: (trace) -- sanitizing URI^M
response.c.286: (trace) URI-path     : /mysql/phpmyadmin.css.php^M
configfile-glue.c.500: (trace) === start of 2 condition block ===^M
configfile-glue.c.450: (trace) 'HTTP["url"]': '/mysql/phpmyadmin.css.php' is matched against '\.php$|\.html$'^M
configfile-glue.c.521: (trace) [2] result: true^M
configfile-glue.c.500: (trace) === start of 4 condition block ===^M
configfile-glue.c.220: (trace) checking if the parent (global/HTTPhost!~happy.dotple.com) evaluates to 'true'^M
configfile-glue.c.450: (trace) 'HTTP["url"]': '/mysql/phpmyadmin.css.php' is matched against '/mysql'^M
configfile-glue.c.521: (trace) [4] result: true^M
mod_access.c.138: (trace) -- handling file in mod_access^M
response.c.402: (trace) -- before doc_root^M
response.c.403: (trace) Doc-Root     : /home/tgyou/dotple.com^M
response.c.404: (trace) Rel-Path     : /mysql/phpmyadmin.css.php^M
response.c.405: (trace) Path         : /home/admin/web_pub/mysql/index.php^M
response.c.458: (trace) -- after doc_root^M
response.c.459: (trace) Doc-Root     : /home/tgyou/dotple.com^M
response.c.460: (trace) Rel-Path     : /mysql/phpmyadmin.css.php^M
response.c.461: (trace) Path         : /home/tgyou/dotple.com/mysql/phpmyadmin.css.php^M
mod_proxy_core.c.2180: (trace) handling it in mod_proxy_core: uri.path=/mysql/phpmyadmin.css.php^M
response.c.480: (trace) -- logical -> physical^M
response.c.481: (trace) Doc-Root     : /home/tgyou/dotple.com^M
response.c.482: (trace) Rel-Path     : /mysql/phpmyadmin.css.php^M
response.c.483: (trace) Path         : /home/admin/web_pub/mysql/phpmyadmin.css.php^M
plugin.c.387: (trace) -- plugins_call_...: plugin 'mod_proxy_core' returns 4^