Recently i get this error after login in to the Dashboard. No idea why, because yesterday it works fine. It would be nice if anyone can help me out of this circumstance.

BadRequest at /syspanel/

Unable to communicate with identity service: [Errno 111] Connection refused. (HTTP 400)

Request Method:     GET
Request URL:    https://blabla.de/syspanel/
Django Version:     1.4.1
Exception Type:     BadRequest
Exception Value:    

Unable to communicate with identity service: [Errno 111] Connection refused. (HTTP 400)

Exception Location:     /usr/lib/python2.7/dist-packages/keystoneclient/client.py in request, line 141
Python Executable:  /usr/bin/python
Python Version:     2.7.3
Python Path:    

['/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../..',
 '/usr/share/openstack-dashboard/openstack_dashboard',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-linux2',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/usr/lib/pymodules/python2.7',
 '/usr/share/openstack-dashboard/']

Server time: Mon, 1 Jul 2013 23:00:23 +0000