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From "Roland Weber (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HTTPCLIENT-589) Do not consume the remaining response content if the connection is to be closed
Date Tue, 20 Feb 2007 17:44:05 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Roland Weber closed HTTPCLIENT-589.

    Resolution: Fixed

This has been addressed as part of HTTPCLIENT-627.

> Do not consume the remaining response content if the connection is to be closed
> -------------------------------------------------------------------------------
>                 Key: HTTPCLIENT-589
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-589
>             Project: HttpComponents HttpClient
>          Issue Type: Improvement
>          Components: HttpClient
>    Affects Versions: 3.1 Alpha 1
>         Environment: All environments
>            Reporter: James Murty
>         Assigned To: Oleg Kalnichevski
>             Fix For: 4.0 Alpha 1
>         Attachments: conn-release.patch, HttpMethodBase.java.diff
> I am working on a HttpClient-based application to send and receive potentially large
files (up to Gigabytes). When receiving large files the application allows the user to cancel
the download, at which time it closes the response input stream behind the scenes.
> The input stream currently provided by HttpMethodBase.getResponseBody() for un-chunked
responses with a known content length is a ContentLengthInputStream, which automatically reads
the remainder of the wrapped response instead of closing it straight away. This behaviour
does not work well with very large files as the data is downloaded unnecessarily and the connection
is held open for long very periods.
> Per the HTTP 1.1 spec section 14.10 it seems to me that either a server or a client in
an HTTP 1.1 connection can use the Connection:close directive to signal that a connection
will be non-persistent, and will therefore not require that all data be read before the connection
can be released (the cleaning up ContentLengthInputStream performs for persistent connections).
> http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.10
> Could HttpMethodBase be modified to check for this directive, from the server or client,
and avoid wrapping the response input stream in ContentLengthInputStream when it is present?
It seems straight-forward, though there may be side-effects I am not aware of. 

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