The issue occurs if a user has a group that
does not map to a project in OpenStack. At
which point an exception is raised and the
websso login blows up with a 500 message.
This is because of the exception being raised
when the group name not matches thus replacing
that with a log.
Change-Id: Ia7321705db118af28f3dc6e01d5b18e8650aa633
Closes-Bug: #1789450
(cherry picked from commit ee46f73535)