[jira] [Created] (HTTPCLIENT-1579) CacheValidityPolicy does not correctly handle 304 Not Modified freshness

["Nitin Kumar (JIRA)" <ji...@apache.org>]

Nitin Kumar created HTTPCLIENT-1579:
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             Summary: CacheValidityPolicy does not correctly handle 304 Not Modified freshness
                 Key: HTTPCLIENT-1579
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1579
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 4.3.5, 4.3.4, 4.3.3, 4.3.6
            Reporter: Nitin Kumar


When a cached response expires, http cache client correctly makes a new request to the http server. When the response is still fresh at the server side, the server responds with HTTP/1.1 304 Not Modified and sends in a new Expires: header.

On subsequent request, when the cache entry should be still valid as per the time stamp received in the Expires header from the last call, CacheValidityPolicy tries to validate the cache entry in the isResponseFresh() method and incorrectly marks the the entry as stale. 

The result is that http cache client keeps making new requests to the http server.



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