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Posted to dev@hc.apache.org by "Oleg Kalnichevski (Jira)" <ji...@apache.org> on 2023/04/27 17:37:00 UTC
[jira] (HTTPCLIENT-1920) Cached HEAD requests without response body
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1920 ]
Oleg Kalnichevski deleted comment on HTTPCLIENT-1920:
-----------------------------------------------
was (Author: arturobernalg):
[https://github.com/apache/httpcomponents-client/pull/433]
> Cached HEAD requests without response body
> ------------------------------------------
>
> Key: HTTPCLIENT-1920
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1920
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.4.1, 4.5
> Reporter: Tobias Gesellchen
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Since httpclient-cache 4.4 {{HEAD}} requests can be cached with a {{null}} response body. Subsequent {{GET}} requests to the same target then use the headers "If-None-Match" and "If-Modified-Since" to leverage caching via HTTP protocol. In that case a server can respond with status code 304 and an empty response body, which leads to an invalid cache entry.
> The GitHub PR #101 proposes a fix, which I have tested locally. The PR is based on httpclient-cache 4.5, but should easily be backported to 4.4. I haven't looked into the upcoming 5.x sources, yet.
>
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