No HTTP mapping found when loading fonts

When trying to load the guide plugin which uses bootstrap glyphicons, the fonts can't be loaded because no mapping is found:

2019-02-12 11:13:43,826 WARN [http-bio-8080-exec-7] (DispatcherServlet.java:1176) - No mapping found for HTTP request with URI [/minerva/fonts/glyphicons-halflings-regular.woff2] in DispatcherServlet with name 'App Servlet'

2019-02-12 11:13:43,862 WARN [http-bio-8080-exec-7] (DispatcherServlet.java:1176) - No mapping found for HTTP request with URI [/minerva/fonts/glyphicons-halflings-regular.woff] in DispatcherServlet with name 'App Servlet'

2019-02-12 11:13:43,898 WARN [http-bio-8080-exec-11] (DispatcherServlet.java:1176) - No mapping found for HTTP request with URI [/minerva/fonts/glyphicons-halflings-regular.ttf] in DispatcherServlet with name 'App Servlet'