Adobe Community: Cache-Control and Accept-Encoding support in Adobe AIR HTML Component

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1. Prashant R,

Jul 30, 2012 11:10 PM in reply to Prashant R

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Here is the screenshot of Charles which captures request to the goolge's logo that is being sent again even though it had max-age of 365 days in the previous response. Observe the two requests which got a 304 respone, I expected the GET request to the logo to be not made at all and content be served from the browser' cache.

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2. Chris Campbell,

Jul 31, 2012 5:15 PM in reply to Prashant R

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Going to see if someone who's familiar with the webkit portion of AIR can respond. Gzip should be supported from AIR 2.03 forward (http://blogs.adobe.com/simplicity/2010/08/an-update-on-http-content-en coding-in-air-applications.html).

Chris

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3. Chris Campbell,

Jul 31, 2012 6:02 PM in reply to Chris Campbell

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You might also want to check out the useCache property to see if this helps. See these links:

http://forums.adobe.com/thread/726573

http://forums.adobe.com/thread/490497

http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/fla sh/html/HTMLLoader.html

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4. Prashant R,

Aug 1, 2012 3:59 AM in reply to Chris Campbell

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Thank you for taking time to look into this.

Yes, GZip in Content-Encoding header seems to be passed when used AIR 3.

Setting useCache does not have impact on the behavior i originally reported. When the AIR application restarts HTTP requests whose responses have Cache-Control : maxage headers are re-requested. If these requests had returned Last-Modified header the re-requests are conditional GETs and get 304. But even making these conditional GET requests is unneccessary and the AIR application startup experience will be better without them.

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5. Chris Campbell,

Aug 1, 2012 4:54 PM in reply to Prashant R

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Would you mind entering this as a bug over at bugbase.adobe.com? Please post back with the bug number and I'll forward along internally.

Thanks,

Chris

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6. Prashant R,

Aug 1, 2012 10:33 PM in reply to Chris Campbell

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Bug Number : 3301204

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7. Prashant R,

Nov 16, 2012 12:01 AM in reply to Chris Campbell

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Hi Chris,

There has been no action on the bug (3301204) i logged regarding this. Can you please check its status.

Our application startup times are affected by this, which is leading to bad end user experience.

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8. Chris Campbell,

Nov 19, 2012 4:40 PM in reply to Prashant R

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Hi Prashant,

I've pinged the team to see if they can prioritize this and take a look.

Chris

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9. Prashant R,

Jan 23, 2013 5:03 AM in reply to Prashant R

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If you want this bug fixed, please vote for it here : https://bugbase.adobe.com/index.cfm?event=bug&id=3301204

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AIR Bugs and Performance Issues

Cache-Control and Accept-Encoding support in Adobe AIR HTML Component

Jul 30, 2012 10:41 PM

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