Fix: Kubernetes Service Unreachable
Check `kubectl get endpoints <service>` — non-empty?
If a Service is unreachable, the endpoints list is usually empty — a label/selector mismatch, or the target pods aren't Ready. CoreDNS can also be the cause.
Frequently Asked Questions
What causes Kubernetes Service Unreachable?
If a Service is unreachable, the endpoints list is usually empty — a label/selector mismatch, or the target pods aren't Ready. CoreDNS can also be the cause.
How to fix Kubernetes Service Unreachable?
Run `kubectl get endpoints <service>` — if empty, fix the Service selector or pod readiness. If populated, test DNS with a busybox pod before changing network policies.
Example fix from Kintify Fix
Input: Pod can't connect to internal service on cluster.local
Output: Run `kubectl get endpoints <service>` — if empty, fix the Service selector or pod readiness. If populated, test DNS with a busybox pod before changing network policies.
Used by developers debugging real production systems