Minikube: start.go:234:: Error updating cluster: generating kubeadm cfg: parsing kubernetes version: parsing kubernetes version: strconv.ParseUint: parsing "": invalid syntax

[andres-lowrie]

Is this a BUG REPORT

Environment:

Minikube version : 0.25.0

• OS : Mac OSX Sierra
• VM Driver :virtualbox
• ISO version : minikube-v0.25.1.iso
• Install tools:
• Others:

What happened:

Tried to start cluster with version 1.9.4

What you expected to happen:

The cluster to start normally

How to reproduce it (as minimally and precisely as possible):

➜  minikube start --kubernetes-version 1.9.4
Starting local Kubernetes 1.9.4 cluster...
Starting VM...
Downloading Minikube ISO
 142.22 MB / 142.22 MB [============================================] 100.00% 0s
Getting VM IP address...
Moving files into cluster...
E0321 09:58:55.643116   51234 start.go:234] Error updating cluster:  generating kubeadm cfg: parsing kubernetes version: parsing kubernetes version: strconv.ParseUint: parsing "": invalid syntax
================================================================================
An error has occurred. Would you like to opt in to sending anonymized crash
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To opt out of these messages, run the command:
        minikube config set WantReportErrorPrompt false
================================================================================

Anything else do we need to know:

[andres-lowrie]

So it looks like the issue was a _pebkac_ one 😂

I was passing 1.9.4 and not v.1.9.4 to the start subcommand

I'll see myself out 😂

[kplimack]

I hit this, too. Would be nice if kubectl corrected it and/or if the help page said so