kubectl port-forward gives "error upgrading connection: error dialing backend: dial tcp 10.204.101.149:10250: i/o timeout"

[cloudnativedevops]

kubectl port-forward gives "error upgrading connection: error dialing backend: dial tcp 10.204.101.149:10250: i/o timeout"

[bitfield]

Hey @dwschulze, thanks for the report! I'm not totally sure what could be causing this. What kind of Kubernetes are you using? Minikube? Docker Desktop? GKE? Something else?

Could it be related to this issue? kubernetes/kubectl#587

[dwschulze]

I'm running k8s on bare metal. No cloud, so the security group issues in #587 aren't there. I'm using v 1.18. Maybe that makes a difference.

[bitfield]

Okay. Exactly what code are you applying? The path in your command doesn't look like it's from this repo.

[piotr-kierklo-looker]

I know this is an old thread, but I came across this issue now, so decided to share my solution.

I had this problem when my local kubectl version was too old, comparing to the Kubernetes version on the server/cluster

Just do kubectl version and compare the versions

[domingusj]

Thank you for confirming @piotr-kierklo-looker! Going to close this issue for now, but feel free to reopen if needed.