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Date: Mon, 13 Sep 2010 12:18:33 -0400 (EDT)
From: "Jonathan Moore (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Subject: [jira] Updated: (HTTPCLIENT-995) cache returns cached responses
 even if validators not consistent with all conditional headers
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     [ https://issues.apache.org/jira/browse/HTTPCLIENT-995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Moore updated HTTPCLIENT-995:
--------------------------------------

    Attachment: mismatched-conditionals.patch

The attached patch addresses this issue. In addition, we are now very explicit about not using cached responses for conditionals we don't currently understand/support, namely: If-Range, If-Match (for GETs), and If-Unmodified-Since (for GETs).

This patch is contributed to the ASF with the permission of my employer.


> cache returns cached responses even if validators not consistent with all conditional headers
> ---------------------------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-995
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-995
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: Cache
>    Affects Versions: 4.1 Alpha2
>            Reporter: Jonathan Moore
>         Attachments: mismatched-conditionals.patch
>
>
> This is a MUST-level requirement in the RFC, where if both ETags and Last-Modified dates are used as validators in a conditional request, a cache cannot return a cached response unless it is consistent with all the conditional headers in the request. There is a unit test for this already, but it is incorrect (it uses 'If-Unmodified-Since' instead of 'If-Modified-Since' in the test case).

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