W3TC Minify Error – Duplicating Document Root

Are you using the nginx rules that W3TC provides on the install tab?

I’ve configured W3TC to auto-install all the re-write rules into it’s own w3tc.conf file. It seems to pass the built in tests, but I still get this root directory duplication error.

Here’s the contents of my w3tc.conf file, which is included in the configuration file for this virtual host:

# BEGIN W3TC Minify core
rewrite ^/var/www/ecssrv.net/public/wp-content/w3tc(.*?)/min/w3tc_rewrite_test$ /var/www/ecssrv.net/public/wp-content/w3tc$1/min/index.php?w3tc_rewrite_test=1 last;
rewrite ^/var/www/ecssrv.net/public/wp-content/w3tc(.*?)/min/(.+\.(css|js))$ /var/www/ecssrv.net/public/wp-content/w3tc$1/min/index.php?file=$2 last;
# END W3TC Minify core
# BEGIN W3TC Page Cache core
rewrite ^(.*\/)?w3tc_rewrite_test$ $1?w3tc_rewrite_test=1 last;
set $w3tc_rewrite 1;
if ($request_method = POST) {
    set $w3tc_rewrite 0;
}
if ($query_string != "") {
    set $w3tc_rewrite 0;
}
if ($http_host != "ecssrv.net") {
    set $w3tc_rewrite 0;
}
set $w3tc_rewrite2 1;
if ($request_uri !~ \/$) {
    set $w3tc_rewrite2 0;
}
if ($request_uri ~* "(sitemap(_index)?\.xml(\.gz)?|[a-z0-9_\-]+-sitemap([0-9]+)?\.xml(\.gz)?)") {
    set $w3tc_rewrite2 1;
}
if ($w3tc_rewrite2 != 1) {
    set $w3tc_rewrite 0;
}
set $w3tc_rewrite3 1;
if ($request_uri ~* "(\/wp-admin\/|\/xmlrpc.php|\/wp-(app|cron|login|register|mail)\.php|\/feed\/|wp-.*\.php|index\.php)") {
    set $w3tc_rewrite3 0;
}
if ($request_uri ~* "(wp\-comments\-popup\.php|wp\-links\-opml\.php|wp\-locations\.php)") {
    set $w3tc_rewrite3 1;
}
if ($w3tc_rewrite3 != 1) {
    set $w3tc_rewrite 0;
}
if ($http_cookie ~* "(comment_author|wp\-postpass|wordpress_\[a\-f0\-9\]\+|wordpress_logged_in)") {
    set $w3tc_rewrite 0;
}
if ($http_user_agent ~* "(W3\ Total\ Cache/0\.9\.2\.4)") {
    set $w3tc_rewrite 0;
}
set $w3tc_domain "";
if ($http_host ~ ^(www\.)?([a-z0-9\-\.]+\.[a-z]+)\.?(:[0-9]+)?$) {
    set $w3tc_domain $2;
}
set $w3tc_ua "";
set $w3tc_ref "";
set $w3tc_ssl "";
set $w3tc_enc "";
if ($http_accept_encoding ~ gzip) {
    set $w3tc_enc _gzip;
}
set $w3tc_ext "";
if (-f "$document_root/var/www/ecssrv.net/public/wp-content/w3tc-$w3tc_domain/pgcache/$request_uri/_index$w3tc_ua$w3tc_ref$w3tc_ssl.html$w3tc_enc") {
    set $w3tc_ext .html;
}
if ($w3tc_ext = "") {
  set $w3tc_rewrite 0;
}
if ($w3tc_rewrite = 1) {
    rewrite .* "/var/www/ecssrv.net/public/wp-content/w3tc-$w3tc_domain/pgcache/$request_uri/_index$w3tc_ua$w3tc_ref$w3tc_ssl$w3tc_ext$w3tc_enc" last;
}
# END W3TC Page Cache core
# BEGIN W3TC Page Cache cache
location ~ /var/www/ecssrv.net/public/wp-content/w3tc.*?/pgcache.*html$ {
    add_header X-Powered-By "W3 Total Cache/0.9.2.4";
    add_header Vary "Accept-Encoding, Cookie";
}
location ~ /var/www/ecssrv.net/public/wp-content/w3tc.*?/pgcache.*gzip$ {
    gzip off;
    types {}
    default_type text/html;
    add_header X-Powered-By "W3 Total Cache/0.9.2.4";
    add_header Vary "Accept-Encoding, Cookie";
    add_header Content-Encoding gzip;
}
# END W3TC Page Cache cache
# BEGIN W3TC Browser Cache
gzip on;
gzip_types text/css application/x-javascript text/x-component text/richtext image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon;
location ~ \.(css|js|htc)$ {
    add_header X-Powered-By "W3 Total Cache/0.9.2.4";
}
location ~ \.(html|htm|rtf|rtx|svg|svgz|txt|xsd|xsl|xml)$ {
    add_header X-Powered-By "W3 Total Cache/0.9.2.4";
}
location ~ \.(asf|asx|wax|wmv|wmx|avi|bmp|class|divx|doc|docx|eot|exe|gif|gz|gzip|ico|jpg|jpeg|jpe|mdb|mid|midi|mov|qt|mp3|m4a|mp4|m4v|mpeg|mpg|mpe|mpp|otf|odb|odc|odf|odg|odp|ods|odt|ogg|pdf|png|pot|pps|ppt|pptx|ra|ram|svg|svgz|swf|tar|tif|tiff|ttf|ttc|wav|wma|wri|xla|xls|xlsx|xlt|xlw|zip)$ {
    add_header X-Powered-By "W3 Total Cache/0.9.2.4";
}
# END W3TC Browser Cache

Surely the issue is with the way W3TC figures out the document root of the .css and .js files it’s trying to minify though, rather than with the config file?

Also you need to change your config so it is the same as the code you find on the Install page in the plugin. The paths are wrong. The minify rewrite should look like
rewrite ^/wp-content/w3tc(.*?)/min/(.+\.(css|js))$ /wp-content/w3tc$1/min/index.php?file=$2 last;

Did you delete a reply? To answer the reply I got via e-mail, that config is what your plugin generated and if this issue has been addressed multiple times before how come I can’t seem to find any tutorials on how to fix it anywhere and why not provide a link to such answered questions?

It’s possible that the plugin has issues with your server setup. Could you send a bug report from the Support page in the plugin so I can look into it further?

Support request sent ??

I can’t correlate forum topics to tickets easily. Did we get this resolved?

I think this was solved in a subsequent release so the topic can be closed. I’m just waiting for the latest update to be released to see if it solves a different minify problem I’m having now.