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How to fix ingressClass not found in Kubernetes | DevErrors

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How to fix ingressClass not found

How to fix ingressClass not found in Kubernetes

KubernetesBEGINNERHIGH

Error when Ingress references missing ingressClass

What this error means

Specified ingressClassName does not exist

Typical symptoms

pending ingress
no external IP
class not found
empty classes
ignored

Common causes

controller missing
typo
class missing
wrong namespace
not registered

How to fix "ingressClass not found"

1List classes

kubectl get ingressclass

2Check className

kubectl get ingress -o yaml

3Install controller

helm install nginx-ingress

4Update className

kubectl patch ingress

Create class

Advanced notes

IngressClass is cluster-scoped. Multiple allowed. Controller self-registers.

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Official resources & further reading

📚Kubernetes Official Documentation
📖
Kubernetes API Reference(Official Docs)
📖
Kubernetes Tasks: Run Applications(Official Docs)
💬
Stack Overflow: Kubernetes ingress class not found(Stack Overflow)
🐙
Kubernetes GitHub Issues(GitHub)

5

kubectl apply -f ingressclass.yaml

6Verify

kubectl get ingress shows IP

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