ActionController::UnknownFormat aka whitepage in dashboard/milestones

https://sentry.gitlap.com/gitlab/gitlabcom/issues/3103/

ActionController::UnknownFormat: ActionController::UnknownFormat
  app/controllers/dashboard_controller.rb:39:in `milestones'
    respond_to do |format|
  lib/gitlab/metrics/rack_middleware.rb:17:in `block in call'
    retval = trans.run { @app.call(env) }
  lib/gitlab/metrics/transaction.rb:45:in `run'
    yield
  lib/gitlab/metrics/rack_middleware.rb:17:in `call'
    retval = trans.run { @app.call(env) }
  lib/gitlab/middleware/go.rb:16:in `call'
    @app.call(env)
...
(95 additional frame(s) were not displayed)

Added regression label

mentioned in issue gitlab-com/operations#143 (closed)

This was introduced by https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/3253/diffs#e801163eb9182955dca3eb9817d59af634f6665d_354_354

Route issue:

                                            milestones_dashboard GET          /dashboard/milestones(.:format)                                                          dashboard#milestones
                                            dashboard_milestones GET          /dashboard/milestones(.:format)                                                          dashboard/milestones#index

Milestone changed to 8.6

mentioned in issue #14303 (closed)

Reassigned to @rymai

I'm fixing this! /cc @iamphill

@rymai Make sure this isn't already fixed by https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/3346.

@yorickpeterse Thanks, it's not the same issue, though. :)

mentioned in merge request !3348 (merged)

Title changed from ActionController::UnknownFormat: ActionController::UnknownFormat to ActionController::UnknownFormat aka dashboard/milestones is giving a 406 error

I changed the title a little bit to be more descriptive so users can find it, see https://about.gitlab.com/2016/03/22/gitlab-8-6-released/#comment-2583405396

Title changed from ActionController::UnknownFormat aka dashboard/milestones is giving a 406 error to ActionController::UnknownFormat aka whitepage in dashboard/milestones

@axil Thanks! :)

Status changed to closed by commit b6806d0c

mentioned in commit e257e81c

mentioned in commit b6806d0c

Mentioned in commit maxraab/gitlab-ce@e257e81c