This results in showing the message It appears that your reverse proxy setup is broken on the manage page. To avoid this, explicit disable the option url-path- ...
... <url> <loc>https://www.jenkins.io/2.0/</loc> ... configuration-and-data-in-subversion/</loc> ... system/</loc> <lastmod>2018-07-02</lastmod> <priority>0.5 ...