Cannot login to UMC after updating to 4.2-3 errata284

UCS - Univention Corporate Server
,
#1

The login fail and I am presented with this error.

Internal server error.
The server encountered an unexpected condition which prevented it from fulfilling the request.
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/cherrypy/_cprequest.py", line 670, in respond
    response.body = self.handler()
  File "/usr/lib/python2.7/dist-packages/cherrypy/lib/encoding.py", line 217, in __call__
    self.body = self.oldhandler(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/cherrypy/_cpdispatch.py", line 61, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/usr/sbin/univention-management-console-web-server", line 1161, in index
    return acs(binding, message, relay_state)
  File "/usr/sbin/univention-management-console-web-server", line 1171, in attribute_consuming_service
    response = self.acs(message, binding)
  File "/usr/sbin/univention-management-console-web-server", line 1288, in acs
    response = self.sp.parse_authn_request_response(message, binding, self.outstanding_queries)
  File "/usr/lib/python2.7/dist-packages/saml2/client_base.py", line 580, in parse_authn_request_response
    binding, **kwargs)
  File "/usr/lib/python2.7/dist-packages/saml2/entity.py", line 1087, in _parse_response
    response = response.verify(keys)
  File "/usr/lib/python2.7/dist-packages/saml2/response.py", line 975, in verify
    if self.parse_assertion(keys):
  File "/usr/lib/python2.7/dist-packages/saml2/response.py", line 895, in parse_assertion
    if not self._assertion(assertion, False):
  File "/usr/lib/python2.7/dist-packages/saml2/response.py", line 780, in _assertion
    if not self.condition_ok():
  File "/usr/lib/python2.7/dist-packages/saml2/response.py", line 575, in condition_ok
    conditions.not_on_or_after, self.timeslack)
  File "/usr/lib/python2.7/dist-packages/saml2/validate.py", line 86, in validate_on_or_after
    (nooa, now))
Exception: Can't use it, it's too old 1518468954 > 1518469719
#2

Hey,

please try clearing your browser cache and deleting all existing cookies. Then try logging in again.

Please also try logging in without using SAML. The URL for that is https://your.server.name/univention/login/

Also: have you rebooted after the upgrade?

Kind regards,
mosu

#3

Yes I rebooted after update.
The error corrected it self overnight for some reason.

Thanks for the prompt ansver.

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