Resin Pro 3.1.9 -tyson
On Tue, Jan 5, 2010 at 2:44 PM, Alex <a...@caucho.com> wrote: > Hi Tyson, > > What's version of resin is this on? > > thanks > Alex >> >> Not sure this is a bug with GzipFilter or expected behavior, but found >> something worth sharing and dropping in the forum record for others to find. >> >> We had a problem distributing content to a CDN and keeping it in cache there >> because the CDN was requesting content with an "Accept-Encoding: gzip" >> request header, which was causing our GzipFilter to slap a "Cache-Control: >> private" response header via the http response object. Our file servlet (an >> extension of the default resin file servlet) was adding a Cache-Control >> header with "max-age=840000, public" that the GzipFilter ended up writing >> "Cache-Control: max-age=84000, public, private". In our testing, we were >> using curl to test/examine the headers, so we didn't pick up that the >> private cache control header was being added. Our CDN provider, however, >> was testing with a user agent that indicated it accepted the gzip encoding >> and was thus seeing the cache-control header appear. Made for a lively >> debate. Thus, they were seeing the private declaration and not caching the >> result. >> >> So, we had to add an exclude-pattern to our GzipFilter configuration to not >> pick up files in the directory we wanted to control caching on. So, fyi, >> either GzipFilter has a bug in that it is not honoring Cache-Control headers >> set by responses further downstream, or it is operating properly and you >> must remember to disable the GzipFilter on content you want to be cached >> publicly. It would be nice if GzipFilter honored cache-control directives. >> configuration e.g.: >> >> <filter-mapping> >> <filter-name>gzip</filter-name> >> <url-pattern> >> <exclude-pattern>*.zip</exclude-pattern> >> <include-pattern>/*</include-pattern> >> </url-pattern> >> </filter-mapping> >> >> -tyson >> >> -- >> View this message in context: >> http://old.nabble.com/GzipFilter-Overrides-Cache-Control-tp27022353p27022353.html >> Sent from the Resin mailing list archive at Nabble.com. >> >> >> >> _______________________________________________ >> resin-interest mailing list >> resin-interest@caucho.com >> http://maillist.caucho.com/mailman/listinfo/resin-interest > > > > > _______________________________________________ > resin-interest mailing list > resin-interest@caucho.com > http://maillist.caucho.com/mailman/listinfo/resin-interest > _______________________________________________ resin-interest mailing list resin-interest@caucho.com http://maillist.caucho.com/mailman/listinfo/resin-interest
