Layouts - Companion application for the "Thymeleaf Layouts" article at the Thymeleaf website: http://www.thymeleaf.org/documentation.html http://www.thymeleaf.org
I'm going to guess this is a problem on the more recent versions of Java. I've got Java 10 and couldn't pass mvn install, but when I changed it to Java 8 it worked fine.
Does not start, error java.lang.NoClassDefFoundError: org/springframework/security/core/userdetails/UserDetailsService