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Knowledge Base & Operational DocumentationWhy Does a Kubernetes Service Have Endpoints but Still Fail to Reach Pods?
A Kubernetes Service can list pod endpoints while clients still cannot connect. Network policy, readiness transitions, port mismatches, service mesh rules, or node-level networking can block traffic after endpoint discovery.
What to check
Compare Service port and targetPort with the container listener, inspect endpoint readiness and pod events, test connectivity from an approved debug pod, and review network policies and mesh routing. Check whether the failure follows a node or namespace boundary.
Recommended next step
Change one networking layer at a time in a safe environment, then verify both service discovery and an actual request path. Avoid broad network-policy removal as a diagnostic shortcut in production.
How Informatix Systems can help
Informatix Systems provides Kubernetes and container platform engineering. We can review the affected workflow, identify the likely failure point, and help plan a practical fix based on your environment. Contact us with the system involved, when the issue began, and any non-sensitive error details.