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https://issues.apache.org/jira/browse/TS-1468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828427#comment-13828427
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ASF subversion and git services commented on TS-1468:
-----------------------------------------------------

Commit 46adeb3d0e4b8a927c24a479f2c1a91b28358c6e in branch refs/heads/master 
from [~bcall]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=46adeb3 ]

TS-1468: Check vary and accept headers on non-200 responses in cache


> vary and accept* are ignored in cache for non-200 responses from the origin - 
> webdav
> ------------------------------------------------------------------------------------
>
>                 Key: TS-1468
>                 URL: https://issues.apache.org/jira/browse/TS-1468
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: HTTP
>    Affects Versions: 3.3.0, 3.2.0
>            Reporter: Bryan Call
>            Assignee: Bryan Call
>             Fix For: 4.2.0
>
>         Attachments: ts1468.diff
>
>
> ATS doesn't look at the Accept* and vary headers when trying to find an 
> alternate in cache for non-200 responses from the origin.
> Webdav is effected because of 207 response from the origin and ATS doesn't 
> check the Accept* and vary headers.  If there is gzipped data in cache and a 
> non-gzipped request comes in, the gzipped version will be handed back to the 
> client.
> There is an option for YTS to always look at the Accept* and vary headers, 
> but it is not in ATS.



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