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https://issues.apache.org/jira/browse/HTTPCLIENT-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-1493.
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Resolution: Fixed
Implemented in SVN trunk.
Sebastian, please review.
Oleg
> Conditional stale connection checking
> -------------------------------------
>
> Key: HTTPCLIENT-1493
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1493
> Project: HttpComponents HttpClient
> Issue Type: New Feature
> Reporter: Sebb
> Fix For: 4.4 Alpha1
>
>
> Stale connection checking is expensive. At present if it is enabled, it is
> performed for every connection. This is quite expensive and generates
> additional requests.
> One reason for a server to drop a connection is when the connection has been
> idle for a while. Some servers send Keep-Alive headers to inform the client
> of this; if they don't, then the client will see an unexpected disconnection.
> Stale connection checking avoids this problem, but at the cost of additional
> requests. When a connection is not busy, this is acceptable, but for a busy
> connection the checks are mostly unnecessary.
> Another reason for dropping a connection is after it has been reused many
> times. The server should send a connection close as part of the final
> response, but if it does not, a stale check would help.
> For these reasons, it would be useful to be able to implement conditional
> stale connection checking, based on connection idle time and/or connection
> reuse count. These conditions should be optionally selectable.
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