IDP3.2.1 Unable to decode incoming request

[Peter Schober]

* Cantor, Scott <cantor.2 at osu.edu> [2016-07-12 14:35]:
> > Does the IDPv3 need container sessions now? I.e., stuff breaks if I
> > added cookies="false" to my context deployment fragment?
> 
> Yes, Spring WebFlow requires standard container sessions to process
> a single profile request. There isn't anything stored across
> requests in that session other than for efficiency.

Ah, OK. I disabled those with IDPv2 to avoid triggering third-party
cookie warnings on IDP discovery services when serving up images
hosted inside the IDP application/context.
-peter