Re: Problem sending request using HttpClient when the server receiving request goes down and is started again.

[Oleg Kalnichevski <ol...@apache.org>]

On Thu, 2008-04-03 at 00:57 +0530, Gagneet Chadha wrote:
> Hi Oleg,
> 
> No I was setting HttpState object into HttpClient object. Now I see where I 
> went wrong. But the only API method which will allow me to do that is 
> executeMethod(HostConfiguration hostconfig, HttpMethod method, HttpState 
> state).
> Till now I was using executeMethod(HttpMethod method).Now that means I will 
> have to create a HostConfiguration object which should be singleton. Am I 
> right?

Not really. It should not be a singleton. Anyways, you can pass null as
HostConfiguration, if you are executing a request with an absolute
request URI. HttpClient will create an instance of HostConfiguration for
you.

Hope this helps

Oleg



> Thanks once again for your help.
> 
> Regards,
> Gagneet
> 
> ----- Original Message ----- 
> From: "Oleg Kalnichevski" <ol...@apache.org>
> To: "HttpClient User Discussion" <ht...@hc.apache.org>
> Sent: Thursday, April 03, 2008 12:14 AM
> Subject: Re: Problem sending request using HttpClient when the server 
> receiving request goes down and is started again.
> 
> 
> > gagneet wrote:
> >> Hi Oleg,
> >>    Thanks for your inputs. Now I am making a new HttpState object for 
> >> each request made. But have found a new problem. This problem occurs when 
> >> the requests are concurrent. What is evident is that after redirection 
> >> happens the JSESSIONID of both the requests become same. Could not figure 
> >> out what makes the JSESSIONID for one request to be overwritten by 
> >> JSESSIONID of second request. I am using singleton HttpClient object 
> >> which is created using MultiThreadedHttpConnectionManager.
> >
> > You are passing HttpState as a parameter to the HttpClient#executeMethod, 
> > aren't you?
> >
> > Oleg
> >
> >
> >
> >>
> >>   What can be the possible reason for this? What can be the way(s) to 
> >> avoid this? Regards,
> >>   Gagneet
> >> Oleg Kalnichevski <ol...@apache.org> wrote:
> >>   On Thu, 2008-03-27 at 11:53 +0000, gagneet wrote:
> >>> Hi Oleg,
> >>> As I was using Singleton HttpClient object the JSESSIONID persisted for 
> >>> every request. I have cleared the persistence by calling clearCookies() 
> >>> method on the HttpState object corresponding to the HttpClient object. 
> >>> Should I call this method after every call or should I call it only if 
> >>> the connection is timed out? Please advice.
> >>>
> >>> Regards,
> >>> Gagneet
> >>>
> >>
> >> Gagneet,
> >>
> >> It really depends on how your application manages conversation state on
> >> the client side. Usually applications are expected to maintains an
> >> instance of HttpState per distinct user / thread of execution. This way,
> >> you would not have to mix cookies that belong to different users, and if
> >> an individual connection times out, the HttpState instance associated
> >> with it could simply be discarded along with the JSESSIONID session
> >> cookie. Hope this helps
> >>
> >> Oleg
> >>
> >>
> >>>
> >>> ---------------------------------
> >>> Why delete messages? Unlimited storage is just a click away.
> >>
> >>
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> >>
> >>
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> 
> 
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