O.s.cloud.commons.util.inetutils Cannot Determine Local Hostname Access

spring: cloud: inetutils: default-hostname: my-service-01 Or via JVM argument:

If you’ve ever worked with Spring Cloud, particularly in Docker, Kubernetes, or custom network environments, you might have stumbled upon this frustrating warning or error during application startup: particularly in Docker

hostname cat /etc/hosts | grep $(hostname) ip addr show If the second command returns nothing, your machine doesn't know its own hostname. Fix 1: Set a Preferred Network Interface (Recommended) Tell Spring Cloud exactly which interface or address to use: or custom network environments