[ http://issues.apache.org/jira/browse/HTTPCLIENT-599?page=all ]
Oleg Kalnichevski updated HTTPCLIENT-599:
-----------------------------------------
Fix Version/s: 4.0 Alpha 1
(was: 3.1 Beta 1)
Neil,
I finally had time to look into this issue. It is legitimate that someone may
want to set socket linger value to zero in order to cause an abortive
connection close. Unfortunately 3.x API does not permit modification of
parameters of the underlying socket once the connection has been initialized
and it does not make any sense to set linger value to 0 while the connection is
still being initialized. It is not possible to resolve the problem without
changing the API so the resolution of this issue will have to wait until 4.0.
Oleg
> Not possible to set socket lingering on with a socket linger time of 0
> ----------------------------------------------------------------------
>
> Key: HTTPCLIENT-599
> URL: http://issues.apache.org/jira/browse/HTTPCLIENT-599
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 3.0.1
> Environment: Windows XP, Sun JVM 1.5.0_07
> Reporter: Neil Ferguson
> Priority: Minor
> Fix For: 4.0 Alpha 1
>
>
> In version 3.0.1 of the Commons HTTP Client it is not possible to set socket
> lingering on, but with a socket linger time of 0. This may not appear to make
> much sense, but (certainly with the Sun JVM) this is used to force abortive
> connection release (see:
> http://java.sun.com/j2se/1.5.0/docs/guide/net/articles/connection_release.html).
>
> In the org.apache.commons.httpclient.HttpConnection.open() method the
> following code is what prevents this:
> if (linger > 0) {
> socket.setSoLinger(linger > 0, linger);
> }
> I have changed this to:
> if (linger >= 0) {
> socket.setSoLinger(linger >= 0, linger);
> }
> However this changes the meaning of the http.socket.linger parameter, so this
> may not be the preferred solution. Perhaps turning socket lingering on and
> off needs to be configured independently of the socket linger time.
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