Custom flow with selection UI

[Cantor, Scott]

> Is there a better way to provide a login selection method?

No.

> I noticed that after choosing the password method, the browser back button causes a stale request error (e.g.
> A problem occurred restoring the flow execution with key 'e1s2').
>     I haven't found yet a solution to avoid this error.

That's inherent to Spring WebFlow without a way of serializing all possible objects involved in the design and that was a non-starter given the design.

-- Scott