Gitlab Omnibus Background Migrations Continually Fail on Upgrade
The solution was found here: https://forum.gitlab.com/t/jira-integration-page-is-not-opening-in-gitlab-integration-has-stopped-working/36247
Specifically, after running the upgrade, and executing gitalb-ctl reconfigure, run through the following steps:
sudo gitlab-rake db:migrate:status
and make sure all migrations are up. If they are, run the following two commands:
sudo gitlab-rake db:migrate:redo VERSION=20200123155929
sudo gitlab-rake db:migrate:redo VERSION=20200127090233