Listener not dispatching getHeaders message

[Peter Schober]

* Benjamin Ryan <benjamin.ryan at manchester.ac.uk> [2013-07-11 11:49]:
> 	I have all log levels set to debug but do not see any
> 	diagnostics about why the session was flagged as invalid.

* Benjamin Ryan <benjamin.ryan at manchester.ac.uk> [2013-07-11 14:48]:
> 	Shibd.log:
[...]
> 	Transaction.log:
[...]
> 	No information about the session termination is listed in the transaction log.

You could try what Scott said yesterday:

* Cantor, Scott <cantor.2 at osu.edu> [2013-07-10 15:59]:
> On 7/10/13 9:55 AM, "Benjamin Ryan" <benjamin.ryan at manchester.ac.uk> wrote:
> >               Can anyone help with where I should look at next?
> 
> native.log

So look at your native log, with log levels set to DEBUG.
-peter