If your Discord4j bot works in plain Java but fails in Quarkus when resolving DNS for discord.com, the issue might be related to Quarkus' network configuration. Try forcing IPv4 by adding System.setProperty("java.net.preferIPv4Stack", "true"); at the start of your code. Also, ensure your Netty and Reactor dependencies are up to date and that Quarkus has proper network permissions. If the issue persists, configure a custom DNS resolver in Reactor Netty!!! :)