Kibana cannot reach epr.elastic.co even though "chainpem" is set

Are those logs from Kibana?

Did you register the proxy?

BTW minor, Kibana is nodejs not Java

Also Others did get this to work with NODE_EXTRA_CA_CERTS

Did you try running like this. And made sure that file is readable by Kibana user / permissions are correct

NODE_EXTRA_CA_CERTS="/etc/kibana/CA_Bundle_2024.pem" /usr/share/kibana/bin/kibana