ErrLookup › k3s-io/k3s

k3s-io/k3s

Lightweight Kubernetes · Go · 236 source files

Analyzed at 6ba341e396 on 2026-08-15. 178 documented errors.

Code / Message	Type	Severity	Tags
unable to enable/disable secrets encryption, unknown…	http	error	k3s, secrets-encryption, configuration, security
invalid GVK format	validation	warning	manifests, deploy, gvk, addon, parsing
no peer addresses available	http	warning	spegel, p2p, registry-mirror, networking, k3s
failed to verify directory	exception	critical	integrity, sha256, deployment, startup, airgap
cannot use current data for	http	error	certificates, reflection, rotation, tls
insufficient PSK bytes	validation	error	security, psk, embedded-registry, spegel, config
is not a recognized service	validation	error	go, certificates, services, configuration, k3s
failed to get CRDs from	exception	critical	kubernetes, crd, startup, embedded-assets
failed to start leader controller	panic	critical	controllers, leader-election, panic, startup, k3s
Failed to create image import watcher:	panic	critical	fsnotify, inotify, containerd, airgap, panic, k3s
invalid node IP address	http	error	network, kubelet, tls, agent
invalid username/password combination	http	error	authentication, basic-auth, http, security, supervisor
Node password rejected, duplicate hostname or contents of	console	error	auth, node, registration, cluster, hostname
failed to start wrangler controllers	panic	critical	wrangler, informer, apiserver, etcd, panic, k3s
service is not recognized	validation	error	certificates, cli, tls, validation, rotation
no bootstrap data found in datastore - check server token…	exception	critical	k3s, bootstrap, etcd, token, datastore
ipv4 mode requested but no ipv4 network provided	validation	error	flannel, cni, networking, ipv4, cluster-cidr
failed to start etcd client	panic	critical	etcd, tls, panic, control-plane, leader-election, k3s
tar contained invalid name error	validation	error	go, tar, security, path-traversal, archive
failed to get etcd MemberList: etcd not started	http	error	etcd, http, startup, cluster-join
error extracting zstd-compressed body	exception	critical	zstd, tar, startup, integrity
cannot enable secrets encryption with	http	error	secrets-encryption, keys, configuration
incompatible down-level server detected; servers must be…	console	error	versioning, upgrade, network-policy, agent, server
--token is required	validation	error	agent, token, bootstrap, authentication, cli
node name annotation for node	exception	error	etcd, annotations, node-management, kubernetes, k3s
etcd-snapshot-reconcile-interval must be greater than 0s	validation	error	etcd, snapshot, server, config, validation
failed to start wranger controllers	panic	critical	wrangler, informer, apiserver, panic, startup, k3s
etcd disabled	http	warning	k3s, etcd, bootstrap, clustering, http
apiserver not ready	http	warning	k3s, apiserver, startup, transient, http-503
failed to update secret	http	error	kubernetes, secrets, re-encryption, apiserver
Flannel configuration not defined	validation	error	flannel, cni, config, internal-api
incorrect stage: found on node	http	error	secrets-encryption, state-machine, validation
Failed checking netMode	validation	error	flannel, cidr, validation, internal-api
new CA bundle contains only a single certificate but should…	validation	error	k3s, certificates, ca-rotation, pki, validation
no IPv6 CIDRs found	validation	error	network, ipv6, dual-stack, cidr, config
error ID %05d	http	error	go, http, api, logging, correlation
more than 3 providers	http	error	secrets-encryption, configuration, security
encryption reload time is incorrectly ahead of current time	exception	warning	encryption, metrics, clock-skew, time
failed to migrate content from sqlite to etcd	exception	critical	etcd, sqlite, migration, cluster-init, ha, k3s
nix-store not found in PATH: install nix…	validation	error	containerd, snapshotter, nix, environment, path
error writing to	exception	error	go, tar, io, disk-full, filesystem
unhandled cgroup mode	validation	critical	cgroups, linux, startup, container, host
failed to detect selinux	console	error	selinux, linux, containerd, host, security
invalid endpoint URL	validation	error	registry, containerd, config, url, parsing
Managed etcd cluster membership was previously reset…	validation	error	etcd, k3s, cluster-reset, startup, operations
failed to find memory cgroup, you may need to add…	validation	critical	cgroups, memory, raspberry-pi, kernel, cmdline
tar error	exception	critical	tar, startup, integrity, filesystem
all servers failed	exception	critical	load-balancer, connectivity, agent, supervisor, networking
old ServiceAccount signing key not in new ServiceAccount…	validation	error	k3s, certificates, service-account, key-rotation, validation
etcd-s3-timeout must be greater than 0s	validation	error	etcd, s3, backup, configuration, validation
default runtime was not found	validation	error	containerd, runtime, linux, config, gpu
no server found for	exception	error	loadbalancer, internal, api, ordering
no IPv4 CIDRs found	validation	error	k3s, network, ipv4, cidr, configuration, dual-stack
reencrypt does not support secretbox key type, use…	http	warning	k3s, secrets-encryption, secretbox, key-rotation, unsupported-operation
value required for kubelet-arg	validation	error	kubelet, configuration, cli, agent, k3s
etcd: snapshot path does not exist	validation	critical	etcd, snapshot, restore, cluster-reset, k3s
incorrect netMode for flannel tailscale backend	validation	error	flannel, tailscale, vpn, cluster-cidr, networking
not running as member of BUILTIN\Administrators group	console	error	permissions, windows, privileges, uac
cluster-cidr: and service-cidr: , must share the same IP…	validation	error	network, dual-stack, ipv6, config, agent, cidr
toleration with empty key must have operator 'Exists'	validation	error	servicelb, tolerations, kubernetes, validation
cri-dockerd disabled at build time	exception	error	build-tags, cri-dockerd, docker, runtime, distribution
VPN Error. The passed VPN auth info includes an unknown…	validation	error	go, vpn, configuration, parsing, tailscale
not authorized	http	error	auth, http, k3s, middleware, startup, nil-safety
header node name does not match auth node name	http	error	authentication, security, tls, node
Initial server URL host is not defined for load balancer	validation	error	load-balancer, url, config, validation
hijacking not supported	http	error	k3s, http, hijack, proxy, tunnel, http2
invalid token CA hash length	validation	error	token, validation, format, clientaccess
etcd member has status errors	exception	critical	etcd, storage, alarm, corruption
failed to normalize server token; must be in format…	validation	error	auth, token, credentials, config
invalid hash: found on node	http	error	secrets-encryption, integrity, configuration
cannot manage secrets encryption on non control-plane node	http	error	secrets-encryption, nodes, labels, rbac
Requested VPN: is not supported. We currently only support…	validation	error	go, vpn, tailscale, configuration
VPN Error. Invalid control server URL for Tailscale	validation	error	go, vpn, url, validation, tailscale
failed to read http config	exception	error	network, http, tls, config, proxy
hash does not match between	http	error	secrets-encryption, cluster-sync, annotations
embedded registry mirror requires embedded containerd	validation	error	embedded-registry, spegel, containerd, docker, config
failed to run tailscale debug prefs	exception	error	go, vpn, tailscale, exec, routes
failed to remove file	console	error	filesystem, kubeconfig, symlink, startup
unable to parse CIDR for interface	exception	error	go, network, interface, cidr, parsing
VPN Error. Tailscale requires a JoinKey	validation	error	vpn, tailscale, flannel, config, auth
prepare does not support secretbox key type, use…	http	warning	k3s, secrets-encryption, secretbox, key-rotation, unsupported-operation
no bootstrap data is available to reconcile against	exception	critical	k3s, bootstrap, startup, join
critical configuration value mismatch between servers	exception	error	k3s, configuration, join, validation, deep-equal
failed to parse kubelet version	http	error	versioning, nodes, secrets-encryption
invalid node-external-ip	validation	error	config, ip, validation, agent, network
rotate does not support secretbox key type, use rotate-keys…	http	warning	k3s, secrets-encryption, secretbox, key-rotation, unsupported-operation
failed to create symlink	console	error	filesystem, symlink, kubeconfig, startup
duplicate node name found, please use a unique name for…	validation	critical	k3s, etcd, node-name, join, duplicate
s3 bucket name was not set	validation	error	s3, configuration, validation
unsupported secrets-encryption-provider	validation	error	security, encryption, configuration, k3s
failed to read consistent index	exception	critical	etcd, bbolt, storage, corruption
interface does not have a correct global unicast ip	exception	error	go, network, interface, configuration, nic
Managed etcd cluster membership has been reset, restart…	exception	info	k3s, etcd, cluster-reset, recovery, shutdown
Cannot configure unknown flannel backend	validation	error	flannel, config, backend, validation
bootstrap data already found and encrypted with different…	exception	critical	k3s, bootstrap, token, encryption, join
failed to parse config location	validation	error	config, url-parsing, cli, shell
tailscale does not provide an ipv6 address	exception	error	tailscale, vpn, ipv6, networking
apiserver disabled	http	info	k3s, apiserver, configuration, http-503, ha
missing directory from	exception	critical	bootstrap, certificates, data-dir, recovery
unknown stage requested	http	warning	api, validation, secrets-encryption