Is there a 404javascript.js file?

An update: I've had a look at the .htaccess file in the root directory, and this looks clean to me:

Code:

## # Contao Open Source CMS # Copyright (C) 2005-2012 Leo Feyer # # Formerly known as TYPOlight Open Source CMS. # # This program is free software: you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation, either # version 3 of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this program. If not, please visit the Free # Software Foundation website at <http://www.gnu.org/licenses/>. # # PHP version 5 # @copyright Leo Feyer 2005-2012 # @author Leo Feyer <http://www.contao.org> # @license LGPL ## ## # Disable ETags # @see http://developer.yahoo.com/performance/rules.html#etags ## FileETag None <IfModule mod_headers.c> Header unset ETag </IfModule> ## # Prevent access to the Contao template files ## <FilesMatch "\.(tpl|html5|xhtml)$"> Order allow,deny Deny from all </FilesMatch> ## # Set the proper MIME types # @see https://github.com/h5bp/html5-boilerplate ## <IfModule mod_mime.c> # JavaScript AddType application/javascript js jsonp AddType application/json json # Audio AddType audio/ogg oga ogg AddType audio/mp4 m4a f4a f4b # Video AddType video/ogg ogv AddType video/mp4 mp4 m4v f4v f4p AddType video/webm webm AddType video/x-flv flv # SVG AddType image/svg+xml svg svgz AddEncoding gzip svgz # Webfonts AddType application/vnd.ms-fontobject eot AddType application/x-font-ttf ttf ttc AddType font/opentype otf AddType application/x-font-woff woff # Assorted types AddType image/x-icon ico AddType image/webp webp AddType text/cache-manifest appcache manifest AddType text/x-component htc AddType application/xml rss atom xml rdf AddType application/x-web-app-manifest+json webapp AddType text/x-vcard vcf AddType application/x-shockwave-flash swf </IfModule> ## # Gzip compression # @see https://github.com/h5bp/html5-boilerplate ## <IfModule mod_deflate.c> # Current Apache versions (>= 2.2) <IfModule filter_module> FilterDeclare COMPRESS FilterProvider COMPRESS DEFLATE resp=Content-Type $text/html FilterProvider COMPRESS DEFLATE resp=Content-Type $text/css FilterProvider COMPRESS DEFLATE resp=Content-Type $text/plain FilterProvider COMPRESS DEFLATE resp=Content-Type $text/xml FilterProvider COMPRESS DEFLATE resp=Content-Type $text/x-component FilterProvider COMPRESS DEFLATE resp=Content-Type $application/javascript FilterProvider COMPRESS DEFLATE resp=Content-Type $application/json FilterProvider COMPRESS DEFLATE resp=Content-Type $application/xml FilterProvider COMPRESS DEFLATE resp=Content-Type $application/xhtml+xml FilterProvider COMPRESS DEFLATE resp=Content-Type $application/rss+xml FilterProvider COMPRESS DEFLATE resp=Content-Type $application/atom+xml FilterProvider COMPRESS DEFLATE resp=Content-Type $application/vnd.ms-fontobject FilterProvider COMPRESS DEFLATE resp=Content-Type $image/svg+xml FilterProvider COMPRESS DEFLATE resp=Content-Type $image/x-icon FilterProvider COMPRESS DEFLATE resp=Content-Type $application/x-font-ttf FilterProvider COMPRESS DEFLATE resp=Content-Type $font/opentype FilterChain COMPRESS FilterProtocol COMPRESS DEFLATE change=yes;byteranges=no </IfModule> # Legacy Apache versions <IfModule !mod_filter.c> AddOutputFilterByType DEFLATE text/html text/plain text/css application/json AddOutputFilterByType DEFLATE application/javascript AddOutputFilterByType DEFLATE text/xml application/xml text/x-component AddOutputFilterByType DEFLATE application/xhtml+xml application/rss+xml application/atom+xml AddOutputFilterByType DEFLATE image/x-icon image/svg+xml application/vnd.ms-fontobject application/x-font-ttf font/opentype </IfModule> </IfModule> ## # Expires headers (for better cache control) # @see https://github.com/h5bp/html5-boilerplate ## <IfModule mod_expires.c> ExpiresActive on ExpiresByType text/cache-manifest "access plus 0 seconds" ExpiresByType text/html "access plus 0 seconds" # Data ExpiresByType text/xml "access plus 0 seconds" ExpiresByType application/xml "access plus 0 seconds" ExpiresByType application/json "access plus 0 seconds" # Feed ExpiresByType application/rss+xml "access plus 1 hour" ExpiresByType application/atom+xml "access plus 1 hour" # Media: images, video, audio ExpiresByType image/gif "access plus 1 month" ExpiresByType image/png "access plus 1 month" ExpiresByType image/jpg "access plus 1 month" ExpiresByType image/jpeg "access plus 1 month" ExpiresByType image/x-icon "access plus 1 month" ExpiresByType video/ogg "access plus 1 month" ExpiresByType audio/ogg "access plus 1 month" ExpiresByType video/mp4 "access plus 1 month" ExpiresByType video/webm "access plus 1 month" # HTC files (css3pie) ExpiresByType text/x-component "access plus 1 month" # Webfonts ExpiresByType application/x-font-ttf "access plus 1 month" ExpiresByType font/opentype "access plus 1 month" ExpiresByType application/x-font-woff "access plus 1 month" ExpiresByType image/svg+xml "access plus 1 month" ExpiresByType application/vnd.ms-fontobject "access plus 1 month" # CSS and JavaScript ExpiresByType text/css "access plus 1 year" ExpiresByType application/javascript "access plus 1 year" </IfModule> ## # Add a Vary Accept-Encoding header for the compressed resources. If you # modify the file types above, make sure to change them here accordingly. # @see http://developer.yahoo.com/performance/rules.html#gzip ## <IfModule mod_headers.c> <FilesMatch "\.(js|css|xml|gz)$"> Header append Vary Accept-Encoding </FilesMatch> </IfModule> ## # URL rewriting ## <IfModule mod_rewrite.c> RewriteEngine On ## # Change the RewriteBase if your Contao installation is in a subdirectoy and # the rewrite rules are not working properly. Usage examples: # # RewriteBase /contao-2.11.0 # RewriteBase /path/to/contao # # Depending on your server, you might have to remove the line entirely. ## RewriteBase / ## # Uncomment the following lines and replace "domain.com" with your domain # name to redirect requests without "www" to the correct domain. ## #RewriteCond %{HTTP_HOST} ^domain\.com [NC] #RewriteRule (.*) http://www.domain.com/$1 [R=301,L] ## # If you cannot use mod_deflate, uncomment the following lines to load a # compressed .gz version of the aggregated Contao JavaScript and CSS files. ## #AddEncoding gzip .gz #<FilesMatch "\.js\.gz$"> # AddType "text/javascript" .gz #</FilesMatch> #<FilesMatch "\.css\.gz$"> # AddType "text/css" .gz #</FilesMatch> #RewriteCond %{HTTP:Accept-encoding} gzip #RewriteCond %{REQUEST_FILENAME} \.(js|css)$ #RewriteCond %{REQUEST_FILENAME}.gz -f #RewriteRule ^(.*)$ $1.gz [QSA,L] ## # Do not rewrite requests for static files or folders such as style sheets, # images, movies or text documents. Do not add the URL suffix here! ## <FilesMatch "\.(htm|php|js|css|htc|png|gif|jpe?g|ico|xml|csv|txt|swf|flv|eot|woff|svg|ttf|pdf|gz)$"> RewriteEngine Off </FilesMatch> ## # By default, Contao adds ".html" to the generated URLs to simulate static # HTML documents. If you change the URL suffix in the back end settings, make # sure to change it here accordingly! # # RewriteRule .*\.html$ index.php [L] # URL suffix .html # RewriteRule .*\.txt$ index.php [L] # URL suffix .txt # RewriteRule .*\.json$ index.php [L] # URL suffix .json # # If you do not want to use an URL suffix at all, you have to add a second # line to prevent URLs that point to folders from being rewritten (see #4031). # # RewriteCond %{REQUEST_FILENAME} !-d # # If you are using mod_cache, it is recommended to use the RewriteRule below, # which adds the query string to the internal URL: # # RewriteRule (.*\.html)$ index.php/$1 [L] # # Note that not all environments support mod_rewrite and mod_cache. ## RewriteCond %{REQUEST_FILENAME} !-f RewriteRule .*$ index.php [L] ## # The following rules are required if you want to pass the language as first # URL parameter (added in Contao 2.11). The first rule rewrites an empty URL # to the front end controller, the second one adds a missing trailing slash. ## RewriteRule ^[a-z]{2}/$ index.php [L] RewriteRule ^([a-z]{2})$ $1/ [R=301,L] </IfModule>

I have no idea where else to look and would be grateful for any other suggestions!