Errors during upgrade IdP 2.4.0 to 3.1.1

[Rod Widdowson]

> We need your valuable support here as we got struck

Please don't nag.  I'm pedalling as hard as I can....

This is the critical line

> 2015-06-15 14:54:24,978 - INFO [net.shibboleth.idp.authn.impl.SelectAuthenticationFlow:392] - Profile Action SelectAuthenticationFlow: None of the potential authentication flows can satisfy the request

Looks like you haven't set up your external handler correctly.  Is it being invoked?  Is it returning control back correctly.  I've not been in that code recently but there is copious documentation.

/R