I've looked manually in all available repos(configuted in the poms. There is no jar :-()
Your URL yields:
Something has triggered an error on your website. This is the default error page for nginx that is distributed with EPEL. It is located /usr/share/nginx/html/50x.html
You should customize this error page for your own site or edit the error_page directive in the nginx configuration file /etc/nginx/nginx.conf.
thanks for the time you spent answering my question.
Itried the guide on an other system where the example is fully functioning.
So, what can cause the problem? Proxy? Nexus? i do not know.
For the future, i will try such examples on a system with direct conection to the internet(without proxy or a configured nexus)
Again, thanks for your answers