Mod_rewrite with Wikka in subdirectory doesn't work

See also: ModRewrite


The installation path of Wikka (relative to the document root) is different from the path used to acess Wikka in the URL. Some examples might be:
Installation directory /www/wiki acessed via
Installation directory /wiki acessed via


If the path to the subdirectory is the same as the document root plus the subdirectory, the translation should work fine. However, if some kind of aliasing is taking place (as may be the case with hosted sites, though that is not the only possibility) then Apache won't be able to construct the correct URL without a little help.

Applies to

All Wikka versions
Future versions of Wikka (> may handle the workaround outlined below automatically.


Use the RewriteBase directive to tell Apache what the URL is for the directory Wikka is installled in. If, for example, Wikka is installed in the directory /www/wiki but it is acessed using, you need to modify the .htacess file in the /www/wiki directory (starting with line 7):
  1. <IfModule mod_rewrite.c>
  2.  RewriteEngine on
  3.  RewriteCond %{REQUEST_FILENAME} -d
  4.  RewriteRule ^(.*/[^\./]*[^/])$ $1/
  5.  RewriteRule ^(.*)$ wikka.php?wakka=$1 [QSA,L]
  6. </IfModule>
and add a RewriteBase directive with the /wiki part of the URL:
  1. <IfModule mod_rewrite.c>
  2.  RewriteEngine on
  3.  RewriteBase /wiki
  4.  RewriteCond %{REQUEST_FILENAME} -d
  5.  RewriteRule ^(.*/[^\./]*[^/])$ $1/
  6.  RewriteRule ^(.*)$ wikka.php?wakka=$1 [QSA,L]
  7. </IfModule>

If you would rather add it to your Apache configuration file (httpd.conf), instead of .htaccess, you need to enclose it in a <Directory> and not use the RewriteBase directive:
<Directory /usr/local/www/data/wiki>
  RewriteEngine on
  RewriteCond %{REQUEST_FILENAME} -d
  RewriteRule ^(.*/[^\./]*[^/])$ $1/
  RewriteRule ^(.*)$ wikka.php?wakka=$1 [QSA,L]
where the path /usr/local/www/data/wiki corresponds to the absolute server path where your Wikka is installed (change to match your configuration).

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