two apache instances using one shibd process possible?

Cantor, Scott cantor.2 at
Wed Jan 30 10:31:50 EST 2013

On 1/30/13 5:00 AM, "Gernot Hassenpflug" <ha4h-grnt at> wrote:
>The reason is to try to overcome the memory limit on 32-bit apache,
>since we are using mod_perl with preforked apache.

Prefork and Shibboleth don't get along well, so one spike in traffic will
take you out unless you lower the thread stack size.

>However, if I activate both, then I receive the IdP login screen
>correctly, but after entering the user credentials the IdP seems to
>continuously send the redirect messages, without the redirect actually
>happening in the browser. This seems to indicate some kind of looping,
>but I am unsure where, and also whether the architecture I am using is
>technically possible.

If it's looping, then your logs will make it pretty clear. Live Headers
and your logs are the best tool for figuring them out.

-- Scott

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