This error seems to come from the newly introduced keystone.server.flask.request_processing middleware:
https://github.com/openstack/keystone/commits/master/keystone/server/flask/request_processing
This error seems to come from the newly introduced keystone. server. flask.request_ processing middleware:
https:/ /github. com/openstack/ keystone/ commits/ master/ keystone/ server/ flask/request_ processing