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From "Alexander Shorin (JIRA)" <>
Subject [jira] [Closed] (COUCHDB-2263) CouchDB 1.6.0 missing Accept in Vary
Date Wed, 25 Jun 2014 00:56:24 GMT


Alexander Shorin closed COUCHDB-2263.

    Resolution: Duplicate

> CouchDB 1.6.0 missing Accept in Vary
> ------------------------------------
>                 Key: COUCHDB-2263
>                 URL:
>             Project: CouchDB
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: HTTP Interface
>            Reporter: Kaj Nielsen
> CouchDB does server-driven content negotiation.
> Meaning that it returns text/html, text/plain or application/json, depending on which
context a particular URL was called in (after performing an educated guess using the Accept
request header).
> A bit yucky, but necessary at times..
> The bug is that CouchDB does not include "Accept" in it's "Vary" response header.
> This means that if you stick a modern HTTP cache in front of CouchDB, then the cache
won't know that it has to fetch different content on behalf of clients that send different
Accept headers.
> This results in clients getting a cached copy with a content type of whatever the first
client that hit the cache happened to prefer, rather than what the client needs.
> Solution: include "Vary: Accept, ..." in the response headers generated by CouchDB.

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