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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: How to make sure I use the same connection?
Date Mon, 21 Jul 2008 19:45:23 GMT
On Mon, 2008-07-21 at 09:19 +0200, Phillip Gussow wrote:
> Hi peeps,
> I'm struggling with how to solve a nice problem. Let me sketch the situation:
> I have to call web services of a 3rd party. They have 'funny' web services, because they
first want a login SOAP request and then using the SAME connection I have to send the actual
SOAP request.
> In a straight-forward scenario there is no problem. But I don't want to expose the login-crap
to my users AND I myself will be called as a web service, so I have to service multiple requests
at the same time. Also for performance reasons I do not want to send the login request for
every call that is made to me. So I need to pool the connections and make sure that for every
connection the Login request was already sent.
> This means I need to use the MultiThreadedHttpConnectionManager.
> BUT: There is a session timeout on the connection. So when the response is a 'session-timeout',
I need to sent the login request again. I need to hide this for the people that are calling
my service.
> My problem is that I can't hook into when the HttpClient decides to use a specific connection.
> Anyone any idea on how to solve this problem?


The problem is that HttpClient 3.x treats all connections as stateless.
There is nothing one can do about it. Support for stateful connections
has been introduced in HttpClient 4.0 (still alpha). You might want to
consider upgrading.


> Thanks in advance!
> Phillip Gussow
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