error reading server preface: http2: frame too large

[47295743]

kubelet v 1.31.4

[root@test164 src]# docker version
Client: Docker Engine - Community
Version: 26.1.3
API version: 1.45
Go version: go1.21.10
Git commit: b72abbb
Built: Thu May 16 08:34:39 2024
OS/Arch: linux/amd64
Context: default

[root@test164 src]# cri-dockerd --version
cri-dockerd 0.3.15 (c1c566e)

when i start kubelet , the error is like this :

c 16 22:17:27 test164 systemd[1]: Started Kubernetes Kubelet.
Dec 16 22:17:27 test164 kubelet[5261]: Flag --cgroup-driver has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag. See https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/ for more information.
Dec 16 22:17:27 test164 kubelet[5261]: I1216 22:17:27.392625 5261 server.go:491] "Kubelet version" kubeletVersion="v1.31.4"
Dec 16 22:17:27 test164 kubelet[5261]: I1216 22:17:27.392830 5261 server.go:493] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK=""
Dec 16 22:17:27 test164 kubelet[5261]: I1216 22:17:27.393057 5261 server.go:934] "Client rotation is on, will bootstrap in background"
Dec 16 22:17:27 test164 kubelet[5261]: I1216 22:17:27.394211 5261 certificate_store.go:143] Loading cert/key pair from ("/var/lib/kubelet/pki/kubelet.crt", "/var/lib/kubelet/pki/kubelet.key").
Dec 16 22:17:27 test164 kubelet[5261]: I1216 22:17:27.396270 5261 dynamic_cafile_content.go:160] "Starting controller" name="client-ca-bundle::/etc/kubernetes/pki/ca.pem"
Dec 16 22:17:27 test164 kubelet[5261]: W1216 22:17:27.397307 5261 logging.go:55] [core] [Channel #1 SubChannel #2]grpc: addrConn.createTransport failed to connect to {Addr: "/var/run/docker.sock", ServerName: "localhost", }. Err: connection error: desc = "error reading server preface: http2: frame too large"
Dec 16 22:17:27 test164 kubelet[5261]: E1216 22:17:27.397472 5261 run.go:72] "command failed" err="failed to run Kubelet: validate service connection: validate CRI v1 runtime API for endpoint "unix:///var/run/docker.sock": rpc error: code = Unavailable desc = connection error: desc = "error reading server preface: http2: frame too large""
Dec 16 22:17:27 test164 systemd[1]: kubelet.service: Main process exited, code=exited, status=1/FAILURE
Dec 16 22:17:27 test164 systemd[1]: kubelet.service: Failed with result 'exit-code'.

[afbjorklund]

Your docker version is missing a server response, so the Docker setup looks broken (not working OK)