CAS login failed with NoMethodError
Summary
After I configured OmniAuth CAS3 I get stacktrace while tying to log in:
NoMethodError (undefined method merge' for nil:NilClass): lib/gitlab/middleware/multipart.rb:97:in
call'
lib/gitlab/request_profiler/middleware.rb:14:in call' ee/lib/gitlab/jira/middleware.rb:15:in
call'
lib/gitlab/middleware/go.rb:17:in call' lib/gitlab/etag_caching/middleware.rb:11:in
call'
lib/gitlab/middleware/rails_queue_duration.rb:22:in call' lib/gitlab/metrics/rack_middleware.rb:15:in
block in call'
lib/gitlab/metrics/transaction.rb:53:in run' lib/gitlab/metrics/rack_middleware.rb:15:in
call'
lib/gitlab/middleware/read_only/controller.rb:38:in call' lib/gitlab/middleware/read_only.rb:16:in
call'
lib/gitlab/request_context.rb:18:in call' lib/gitlab/metrics/requests_rack_middleware.rb:27:in
call'
lib/gitlab/middleware/release_env.rb:10:in `call'
My version is gitlab-ee-11.1.2-ee.0.el7.x86_64.