Content encoding errors with Firefox

Discussion in 'Bug Reports' started by subBlue, Sep 10, 2009.

  1. subBlue

    subBlue New Member

    A few of our clients have been reporting that sometimes their sites throw errors in their browser saying:

    Content Encoding Error
    The page you are trying to view cannot be shown because it uses an
    invalid or unsupported form of compression.

    Interestingly it only seems to be happening on Firefox 2 & 3+.
    It's been reported sporadically on a couple of our servers with LS 3.3.24 ent and LS 4.0.10 ent. We are using the default gzip options:

    Code:
    Enable Compression: Yes
    Enable Dynamic Compression	: Yes
    Compression Level (Dynamic Content): 1
    Compressible Types: text/*, application/x-javascript
    Auto Update Static: Yes
    Static GZIP Cache Directory: Not Set
    Compression Level (Static File): 6
    Max Static File Size (bytes): 1M
    Min Static File Size (bytes): 300
    Most of our sites use Ruby on Rails but we use page caching extensively and then serve up the static html pages via rewrite rules such as:

    Code:
    RewriteCond %{HTTP_HOST} ^www\.host\.com [NC]
    RewriteRule ^$ cache/www.host.com/index.html [QSA]
    
    RewriteCond %{HTTP_HOST} ^www\. host\.com [NC]
    RewriteRule ^([^.]+)$ cache/www.host.com/$1/index.html [QSA]
    It's like the static cached version of the page is corrupted as it only affects one or two pages in the site and disappears once the cache gets automatically updated,

    Has anyone seen similar behaviour?

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