Resin caching breaks Confluence stylesheets

Resin 2 has a broken caching algorithm that for certain URLs will always return a 304 Not-Modified status and return no content, even when the client does not send a Last-Modified header. This usually results in broken stylesheets in Confluence.

To fix this disable caching in Resin by commenting out the following line in resin.conf:

<!-- <cache dir='cache' size='4096' entries='4096'/> -->

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