To solve the jar errors, I manually unselected the duplicated jar files from the deployment tab in the project settings.
For the following error:
'com.mendix.metrics.prometheus.PrometheusServlet'
[rtlauncher:container$] INFO Container start took 2105. Ready to accept admin requests.
To handle it, just add or update the environment variable NO_PROXY to add 127.0.0.1 and restart your PC.
Something like this: