About Contact Privacy Policy Terms of Service

© 2026 DevErrors. All rights reserved.

How to fix secret not found in Kubernetes | DevErrors

Home
/
Kubernetes
/
How to fix TLS certificate not found

How to fix secret not found in Kubernetes

KubernetesINTERMEDIATEHIGH

Error when Ingress TLS secret missing

What this error means

TLS secret does not exist or wrong namespace

Typical symptoms

no HTTPS
secret missing
no cert
TLS fails
logs show missing

Common causes

missing
wrong namespace
typo
deleted
wrong format
different cluster

How to fix "secret not found"

1Check TLS section

kubectl get ingress -o yaml | grep tls

2Verify secret

kubectl get secret

3Create secret

kubectl create secret tls

4Check format

tls.crt and tls.key required

Update Ingress

Advanced notes

TLS secrets need kubernetes.io/tls type with tls.crt and tls.key keys. Use cert-manager for Let Encrypt.

Related errors

Failed to connect to server: connection refused (HTTP/2)
How to fix "HTTP/2 connection refused" error in Kubernetes
HIGH
missing request for cpu in container
How to fix "missing request for cpu in container" in Kubernetes HPA
HIGH
error: invalid configuration
How to fix "error: invalid configuration" in Kubernetes
HIGH

Official resources & further reading

📚Kubernetes Official Documentation
📖
Kubernetes Docs: Ingress(Official Docs)
📖
NGINX Ingress: TLS/HTTPS Configuration(Official Docs)
📖
cert-manager: Securing NGINX Ingress(Official Docs)
🐙
GitHub: Ingress not using TLS-supplied crt/key(GitHub)

5

spec.tls.secretName

6Test HTTPS

curl https://example.com

etcdserver: cluster ID mismatch

How to fix "etcdserver: cluster ID mismatch" in Kubernetes

running with swap on is not supported

How to fix "running with swap on is not supported" in kubeadm