Using two authentication on the same interface

[Peter Schober]

* Yaya Gacko <Yaya.Gacko at aduneo.com> [2013-02-21 18:09]:
> I want an interface with two different authentication login. One is
> the basic authentication with username and password and the other is
> an external authentication but it used the username and password too
> but with an external library. So any users the could test one or the
> other authentication.
> 
> I was thinking that I have just to activate two different
> loginHandler, but it's not working.

Please be more specific. You activated two login handlers (and
restarted the IdP) and made no changes to any SP to request a speific
auth context? What is the result (detailed error message)?
-peter