I’m trying to run Redmine with Thin and nginx as reverse proxy. My /etc/thin2.1/redmine.yml: When I access the site with my web browser I get a 502 Bad Gateway. This is the content of /var/log/thin/redmine.0.log: I don’t understand what causes this error. The .pid files in /var/run/thin/ are owned by root. I tried to give ownership to either redmine and