[Solved] Can't join Existing kubernetes cluster could not find a JWS signature in the cluster-info ConfigMap for token ID
[Error] error execution phase preflight: couldn't validate the identity of the API Server: could not find a JWS signature in the cluster-info ConfigMap for token ID "nwuv63" To see the stack trace of this error execute with --v=5 or higher [Cause] The token which you are using in kubeadm command to join the worker node to the existing kubernetes cluster has expired and you will need to generate a new valid token on the master node [Resolution] [centos@k8smaster ~]$ kubeadm token create mq4znm.pb5so8esum3watjl You can check the details of the token like its expiring time as [centos@k8smaster ~]$ kubeadm token list TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS mq4znm.pb5so8esum3watjl 23h 2021-07-24T18:26:37Z authentication,signing <none> system:b...