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https://issues.apache.org/jira/browse/HTTPCLIENT-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870336#comment-13870336
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Adam Patacchiola commented on HTTPCLIENT-1347:
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I understand that if the encoding is different, but in this case the client
only ever requests and gets gzipped data back, so why would there be two cache
entries? If there was another request that did not accept gzip and got back
uncompressed data it would make sense. In that case I would expect an entry at
the "root" url with the uncompressed data, and the "variant" url with the
compressed data.
What we have now is compressed data at both the root url and the variant url,
even though we've only ever requested compressed data.
> gzip responses doubly cached
> ----------------------------
>
> Key: HTTPCLIENT-1347
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1347
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpCache
> Affects Versions: 4.2.5
> Environment: ARCH Linux kernel 3.8.8-1
> node.js 0.8.22
> Reporter: Adam Patacchiola
> Fix For: 4.4 Final
>
> Attachments: Screen Shot 2014-01-11 at 7.11.36 PM.png, Screen Shot
> 2014-01-13 at 3.56.19 PM.png, Showing_entry_pointer.png,
> httpClientCacheTest.tar.gz, httpClientTestServer.js
>
>
> Compressed responses are cached twice.
> Run the attached server (node.js 0.8.22) and client tests. Create an "assets"
> directory under where you are running the server and add two files named 1
> and 2 ( < 1000000 bytes) . You will see that after the test is run the cache
> dump output displays 2 sets of entries for each request, each containing the
> full content length of the file.
> Changing the implementation of HttpCacheStorage updateEntry to not update non
> existent entries (as I believe the correct implementation should do) throws
> exceptions.
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