The command entered is not valid for 'text/css'. It is possible that there was a typo or the command is from a module that is not configured in

We are currently using Laravel 5.4 on a Linux server with Apache. Recently, we started encountering the following error in our /var/log/httpd/error_log file even though there have been no changes made to our .htaccess file:

/var/www/html/public/.htaccess: Invalid command 'text/css', possibly misspelled or not defined by a module included in the server configuration

This is what our entire .htaccess file looks like:

<IfModule mod_expires.c>

    ExpiresActive on
    ExpiresDefault                                      "access plus 1 month"

    # CSS
    ExpiresByType text/css                              "access plus 1 year"

    # Data interchange
    ExpiresByType application/json                      "access plus 0 seconds"
    ExpiresByType application/xml                       "access plus 0 seconds"
    ExpiresByType text/xml                              "access plus 0 seconds"

    # Favicon (cannot be renamed!)
    ExpiresByType image/x-icon                          "access plus 1 week"

    # HTML components (HTCs)
    ExpiresByType text/x-component                      "access plus 1 month"

    # HTML
    ExpiresByType text/html                             "access plus 0 seconds"

    # JavaScript
    ExpiresByType application/javascript                "access plus 1 year"
    ExpiresByType application/x-javascript              "access plus 1 year"

    # Manifest files
    ExpiresByType application/x-web-app-manifest+json   "access plus 0 seconds"
    ExpiresByType text/cache-manifest                   "access plus 0 seconds"

    # Media
    ExpiresByType audio/ogg                             "access plus 1 month"
    ExpiresByType image/gif                             "access plus 1 month"
    ExpiresByType image/jpeg                            "access plus 1 month"
    ExpiresByType image/png                             "access plus 1 month"
    ExpiresByType video/mp4                             "access plus 1 month"
    ExpiresByType video/ogg                             "access plus 1 month"
    ExpiresByType video/webm                            "access plus 1 month"

    # Web feeds
    ExpiresByType application/atom+xml                  "access plus 1 hour"
    ExpiresByType application/rss+xml                   "access plus 1 hour"

    # Web fonts
    ExpiresByType application/font-woff2                "access plus 1 month"
    ExpiresByType application/font-woff                 "access plus 1 month"
    ExpiresByType application/vnd.ms-fontobject         "access plus 1 month"
    ExpiresByType application/x-font-ttf                "access plus 1 month"
    ExpiresByType font/opentype                         "access plus 1 month"
    ExpiresByType image/svg+xml                         "access plus 1 month"

</IfModule>

<IfModule mod_rewrite.c>

    <IfModule mod_negotiation.c>
        Options -MultiViews
    </IfModule>

    RewriteEngine On

    # Redirect Trailing Slashes If Not A Folder...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)/$ /$1 [L,R=301]

    # Force traffic through https
    # RewriteCond %{HTTPS} on

    # Redirect non-www urls to www
    # Force through www for SSL certificate coverage (except IP)
    RewriteCond %{HTTP_HOST} !^[0-9]+\.
    RewriteCond %{HTTP_HOST} ^[^.]+\.[^.]+$
    RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [L,R=301]

    # Handle Front Controller...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^ index.php [L]

    # Handle Authorization Header
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

    # End of Apache Rewrite Rules

</IfModule>

# BEGIN Compression
<IfModule mod_filter.c>

    AddOutputFilterByType DEFLATE application/atom+xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/json
    AddOutputFilterByType DEFLATE application/ld+json
    AddOutputFilterByType DEFLATE application/manifest+json
    AddOutputFilterByType DEFLATE application/rdf+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/schema+json
    AddOutputFilterByType DEFLATE application/vnd.geo+json
    AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
    AddOutputFilterByType DEFLATE application/x-font-ttf
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/x-web-app-manifest+json
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE font/eot
    AddOutputFilterByType DEFLATE font/opentype
    AddOutputFilterByType DEFLATE image/bmp
    AddOutputFilterByType DEFLATE image/svg+xml
    AddOutputFilterByType DEFLATE image/vnd.microsoft.icon
    AddOutputFilterByType DEFLATE image/x-icon
    AddOutputFilterByType DEFLATE text/cache-manifest
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/vcard
    AddOutputFilterByType DEFLATE text/vnd.rim.location.xloc
    AddOutputFilterByType DEFLATE text/vtt
    AddOutputFilterByType DEFLATE text/x-component
    AddOutputFilterByType DEFLATE text/x-cross-domain-policy
    AddOutputFilterByType DEFLATE text/xml

</IfModule>
# END of Compression
cssapache.htaccesstexterror-log

Answer №1

Today, I encountered this error while setting up a new development environment. Despite trying various solutions, I came across an article that suggested the issue might be due to having too many lines in the filter block. According to the article:

Symptoms

The website fails to load and displays a 500 type error.

In the /var/www/vhosts/example.com/logs/error_log file, there is a line resembling this error message:

[core:alert] /var/www/vhosts/example.com/httpdocs/.htaccess: Invalid command 'text/css', perhaps misspelled or defined by a module not included in the server configuration

Cause

The cause of the problem is an excessively long declaration of the AddOutputFilterByType expression in the .htaccess file.

To learn more, you can refer to the following resources:

https://github.com/ezekg/theme-juice-vm/issues/4

Resolution

To resolve the issue, modify the section as follows:

<IfModule mod_filter.c>
AddOutputFilterByType DEFLATE "application/atom+xml" "application/javascript" "application/json" "application/ld+json" "application/manifest+json" "application/rdf+xml" "application/rss+xml" "application/schema+json" "application/vnd.geo+json" "application/vnd.ms-fontobject" "application/x-font-ttf" "application/x-javascript" "application/x-web-app-manifest+json" "application/xhtml+xml" "application/xml" "font/eot" "font/opentype" "image/bmp" "image/svg+xml" "image/vnd.microsoft.icon" "image/x-icon" "text/cache-manifest" "text/css" "text/html" "text/javascript" "text/plain" "text/vcard" "text/vnd.rim.location.xloc" "text/vtt" "text/x-component" "text/x-cross-domain-policy" "text/xml"
</IfModule>

Implementing this change resolved the issue for me.

Answer №2

We've successfully identified a corresponding request in the /var/log/httpd/access_log for each instance of the "Invalid command" errors:

[15/Jun/2017:10:22:15 -0500] "POST /login HTTP/1.1" 404 632 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36"

Since yesterday morning, we haven't encountered this error even when accessing the page multiple times. In an effort to resolve the issue, we purged the cache, cleared all sessions, and performed a server restart immediately after our initial query.

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