Problem URL with # on login shibboleth

[Peter Schober]

* Teresa Fasano <t.fasano at cineca.it> [2015-07-29 15:49]:
> >Re-reading this you're saying that the SP keeps the "correct" (incl
> >the fragment identifier) URI if the browser has an SSO session at the
> >IDP, but the URI is missing the fragment identifier if I have to enter
> >credentials at the IDP?
> 
> Yes, it is.
> If I have to log in (enter credentials on the login page), after the
> authentication the URL becomes https://<url> without the part relating to
> the character #.
> Instead,if I'm already authenticated, the URL is "https: // <url> = # filter

What software is the SAML SP, what software is the SAML IDP?
If the SP is the Shib SP what version is it and what's the relvant
relayState setting in your shibboleth2.xml configuration file?
-peter