hc-httpclient-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From sebb <seb...@gmail.com>
Subject Re: NO_HTTP_RESPONSE_EXCEPTION
Date Fri, 06 Feb 2009 22:44:18 GMT
On 06/02/2009, Oleg Kalnichevski <olegk@apache.org> wrote:
> Joan Balagueró wrote:
>
> > Thanks Oleg. It seems strange to me because HttpClient3 (sending requests
> to
> > the same server) never fails. I'll take a look at the code again and I'll
> > comment you something else.
> >
> >
>
>  I do not know why the server chokes on packets generated by HttpClient 4,
> but this is clearly a server side problem. The server should return a non
> 2xx response if something is not okay, not just drop the connection.
>
>  HTTP/1.0 can be a problem or absence of User-Agent header. Whatever. At any
> rate the server is broken.
>
>
>
> > Just another question. When I modify a connection or response timeout
> > setting another value (for example, from 5000 to 2000) HttpClient4 applies
> > this new value correctly (as expected, obviously). But not the same with
> > maxConnections. If I set MaxConnections from 100 to 1 using
> > ConnManagerParams.setMaxTotalConnections, then:
> >
> > DefaultHttpClient object --> DefaultParams --> parameters -->
> > http.conn-manager.max-total=1 --> OK!
> >
> > But DefaultHttpClient object --> connManager --> connectionPool -->
> > maxTotalConnections still to 100 --> BAD!
> >
> > And if I send 50 simultaneous request, HttpClient processes all of them
> even
> > with maxTotalConnections to 1.
> >
> > Is this a bug? Or after
> "ConnManagerParams.setMaxTotalConnections" I must
> > set the new "param" values to the HttpClient object with
> > "this.objHttp.setParams(set the "params" object with the new value of
> > MaxConnections)"?
> >
> >
>
>  This happens because the connection manager does not reset the existing
> connection pools for established routes. One can see this as a bug or a
> 'feature' as one can look at it from different perspectives. To me this is
> an expected behavior. MaxTotalConnections parameter is expected to be set at
> the start up time and to not mutate afterwards.

Maybe this could be added to the Javadoc?

>
>  Oleg
>
>
>
> > Thanks,
> >
> > Joan.
> >
> >
> >
>
> ---------------------------------------------------------------------
>  To unsubscribe, e-mail:
> httpclient-users-unsubscribe@hc.apache.org
>  For additional commands, e-mail:
> httpclient-users-help@hc.apache.org
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
For additional commands, e-mail: httpclient-users-help@hc.apache.org


Mime
View raw message