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From "Oleg Kalnichevski (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1164) Compressed entities are not being cached properly
Date Sun, 04 Mar 2012 11:53:59 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221860#comment-13221860
] 

Oleg Kalnichevski commented on HTTPCLIENT-1164:
-----------------------------------------------

Jon,

I just realized that absence of the Content-Length header is likely to have an impact on DefaultConnectionReuseStrategy.
Is there a chance we could keep the Content-Length header? Alternatively we will also have
to provide a custom ConnectionReuseStrategy implementation for ContentEncodingHttpClient or
its equivalent.

Oleg
                
> Compressed entities are not being cached properly
> -------------------------------------------------
>
>                 Key: HTTPCLIENT-1164
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1164
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: Cache
>    Affects Versions: Snapshot
>            Reporter: Manish Tripathi
>            Assignee: Jon Moore
>
> org.apache.http.impl.client.cache.CacheValidityPolicy.contentLengthHeaderMatchesActualLength()
returns false for entities decompressed by ContentEncodingHttpClient, because the length of
decompressed entity stored in cache will be different from the length specified in the response
header.
> Consequently, gzipped/deflated entities will never be satisfied from the cache.
> Proposed fix: introduce new field in HttpCacheEntry() - actualContentLength, and populate
it with the actual content length rigth before the cache entry is stored in the cache. Change
the org.apache.http.impl.client.cache.CacheValidityPolicy.contentLengthHeaderMatchesActualLength()
method to compare
> entry.getResource().length() with entry.getActualContentLength()

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