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From Johannes Koch <johannes.k...@fit.fraunhofer.de>
Subject Re: [HttpClient trunk] redirect loses request headers
Date Thu, 27 Sep 2007 17:04:59 GMT
Hi Roland,

Roland Weber schrieb:
> Hello Johannes,
>> when after a redirect response a retry is done by the
>> DefaultClientRequestDirector,
> DCRD retries if there is an IO error. In that case, the
> original request is used. If a redirect response is
> received, there is no retry. Redirects are handled by
> creating a new request for the redirect target.

Yep, sorry for mixing terminology. I meant a new request.

>> Do I have to add a request interceptor?
> That is one way. The same request interceptors will be
> applied to the request from your application and to the
> redirected request. You can implement an interceptor
> that adds all headers you want to add to both requests.
> There is also a parameter DEFAULT_HEADERS among the
> client parameter names. It can be set per request if
> necessary. That's probably the easiest way.

I tried this. But the headers specified via DEFAULT_HEADERS are only 
added to the original request (orig), not to a subsequent request for 
the redirect.

> Finally, you could disable automatic redirect handling
> and take care of the redirect in your application. Or
> you could implement a custom ClientRequestDirector.
> Those are the most complex options.

That's what I try to avoid :-)
Johannes Koch
BIKA Web Compliance Center - Fraunhofer FIT
Schloss Birlinghoven, D-53757 Sankt Augustin, Germany
Phone: +49-2241-142628    Fax: +49-2241-142065

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