Shibboleth using JAAS for user authentication error messages

[Rod Widdowson]

> In the idp.properties file, idp.home is not set anywhere.  Idp.home is used as a variable to set other parameters in the file but
there isn't
> anything setting the value of idp.home.

I'm 99% sure that its set by the installer as a system property on the command line.  You can see this if you fire up shibd_idpw.exe
(in the procrun directory).  In the Java tab I think