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From Paul Querna <>
Subject Re: 2.2 mod_http_proxy and "partial" pages
Date Tue, 06 Dec 2005 16:48:04 GMT
Brian Akins wrote:
> I have a serious issue.  It seems that if something happens during a 
> proxy request after mod_http_proxy starts reading from the backend 
> server, no error is reported. (IE, see what happens when 
> ap_pass_brigade  returns non success).  The problem is that this 
> "partial page" may be cached because r->status is a cacheable code, 
> but the response is actually "broken."  The result is that the broken 
> version may be cached and served again and again.
> Should we break RFC (maybe) and change r->status to 503 (for example) 
> so cache can check letter.
> Note: this is using our internal mod_cache, but looks like the issue 
> would be the same in stock mod_cache.
Related issue:

I don't think its breaking the RFC to not-cache partial pages.


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