Check Horizon logs (/var/log/apache2/error.log usually) you should find the exception there Razique On 13 Nov 2013, at 14:46, Krishanu Dhar wrote: > Hi, > > If I keep the open stack login page up for some time and subsequently when > i refresh the browser, above the User Name box I get to see "Session timed > out." > Subsequently when i try to login with my credentials it says > "An error occurred authenticating. Please try again later." and does not > allow me to login at all. > > Can someone help me understand what's going wrong? How do I fix it? This is > on devstack by the way. > > Thanks, > krish > > -- > Krishanu > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack