cloudflare/cloudflared
Documented errors, page 3 of 5. Back to cloudflare/cloudflared
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| error retrieving output from command '%s': %w | exception | error | diagnostics, linux, system-info, exec |
| failed to marshal transfer service response | exception | error | json, transfer-service, api-response, version-mismatch |
| %d: %s | http | error | http, ssh, certificate, api |
| token is nil: %s | validation | warning | jwt, oidc, access, invariant |
| Cannot determine home directory for the user | exception | error | macos, home-directory, service-install |
| IPv4 bind address is specified, but edge-ip-version is IPv6 | validation | warning | configuration, network, ip-version |
| unable to get x509 system cert pool | error_code | error | tls, x509, certificates, system-configuration |
| invalid Host provided | error_code | error | cli, url, validation, hostname |
| tunnel credentials file not found | validation | error | file, tunnel, configuration |
| failed to send/receive ICMPv6 echo | error_code | error | icmp, windows, icmpv6, network |
| invalid payload size provided | validation | error | quic, datagram, request-id, buffer-size |
| unknown signature %v | exception | error | quic, protocol-handshake, stream |
ErrMultipleMetricsServerFound multiple metrics server found | error_code | warning | metrics, ambiguity, diagnostic, multi-instance |
| failed to accept QUIC stream: %w | exception | error | quic, network, stream, timeout |
| couldn't parse index from timeout hop: %w | exception | error | diagnostics, network, traceroute, parsing |
| failed to generate lock ID: %w | exception | error | go, crypto, random, lockfile |
| unable to unmarshal LogLevel string | validation | error | json, unmarshal, management, loglevel |
| Connect to %v denied | exception | warning | network, socks5, access-policy, acl |
| error creating %s: %v | console | error | go, filesystem, mkdir, permissions, macos, launchd |
| flow not found | error_code | error | quic, session, not-found, udp |
| status not yet written before attempting to hijack connectio | exception | error | http, hijack, websocket, state |
| unable to unmarshal LogEventType string | validation | error | json, unmarshal, management, events |
| Unrecognized address type | validation | error | network, socks5, malformed-packet |
| Unsupported command version: %v | validation | error | network, socks5, protocol-version |
| Failed to format address: %v | exception | error | network, socks5, address-format |
| Failed to suffix datagram type, it will be dropped | error_code | error | quic, udp, datagramv2, encoding, packet-drop |
| failed to run transfer service | exception | error | network, authentication, transfer-service, login |
| flow was closed directly | exception | info | quic, session, shutdown, sentinel-error |
| service installation is not supported on this operating syst | console | error | service, unsupported-platform, cloudflared, cli |
| Unable to marshal tunnel credentials to JSON | error_code | error | cloudflared, json, serialization, credentials |
| expect IPv4, but %s is IPv6 | validation | error | network, ipv6, icmp, cli |
| Error validating origin URL | validation | error | cli, url-validation, ingress, config, cloudflare |
| failed to generate app token file path | exception | error | filesystem, token, path, config |
| failed to start forwarding server | exception | error | network, go, tcp-listener, port-conflict |
| quick tunnel provisioning failed with status %d: %s | exception | error | network, http, quick-tunnel, api |
| error writing token credentials to JSON file in path %s | error_code | error | cli, file-write, credentials, cloudflare |
| failed to acquire app token lock | exception | error | filesystem, file-lock, permissions, token |
| stack trace: %s | error_code | critical | panic, recovery, tunnel |
| the Cloudflare API response was an unexpected type | exception | error | go, json, api-client, schema |
| unable to resolve host to confirm access | exception | error | network, dns, socks5, access-policy |
| cannot send ICMPv6 using ICMPv4 proxy | exception | error | icmp, windows, ipv6, address-family, cloudflared |
| failed to generate org token file path | exception | error | filesystem, token, path, url |
ErrTooManyActiveFlows too many active flows | error_code | error | rate-limiting, flows, capacity |
| failed to copy %s to %s: %w | console | error | cli, filesystem, service-install, permissions |
| failed to create tunnel | error_code | error | cloudflared, api, tunnel, cli |
| metadata JWT verification failed: %w | exception | error | go, jwt, security, signature-verification, cloudflare-access |
| the argument path must be a directory | exception | error | cli, filesystem, path, python |
| dns-proxy feature is no longer supported | error_code | error | cli, deprecated, dns, removed-feature |
ErrInvalidTunnelID unable to parse provided tunnel id as a valid UUID | error_code | error | cli, uuid, validation, tunnel |
| Error loading cert pool | error_code | error | tls, certificate, ca-pool, origin |
| invalid management token format provided | validation | error | |
| namedTunnel is nil | exception | error | internal, tunnel, credentials |
| error while processing middleware handler %s | error_code | error | middleware, ingress, request-handling |
| %s doesn't have a hostname, consider adding a scheme | validation | error | cli, url, ingress, validation |
| error while creating backend client | error_code | error | go, cli, cloudflare-api, authentication |
| failed to determine IPv6 source address for ICMP proxy | error_code | error | network, icmp, ipv6, configuration |
| Incoming request ended abruptly | error_code | warning | timeout, context-cancelled, origin, proxy |
| error writing cert to %s | error_code | error | filesystem, certificates, permissions, cli |
| Failed to get command version: %v | exception | warning | socks5, request, network |
| invalid --output value provided, please make sure it is one | console | warning | cli, flag, validation, tail |
| not a valid url | error_code | error | cli, arguments, url, access |
| %s has unknown TLS settings | validation | error | tls, internal, protocol |
| unknown protocol %s, %s | validation | error | config, protocol, cli-flag, enum |
| failed to write app token to disk | exception | error | filesystem, token, file-write, permissions |
| token has non-cloudflare issuer of %s: %s | validation | error | jwt, oidc, access, issuer, security |
| Cannot start Hello World Server | error_code | error | hello-world, tls, listener, startup |
| checksum validation matches currently running process | exception | warning | auto-update, checksum, no-op |
| Connect to %v failed: %v | exception | error | network, socks5, dial-failed, tcp |
| Failed to suffix session ID to datagram, it will be dropped | error_code | error | quic, udp, datagramv2, packet-drop |
| No configuration file was found. Please create one, or use t | error_code | error | cli, configuration, ingress, file |
| unknown authentication type | exception | error | socks5, authentication, negotiation |
| failed to parse quick Tunnel ID | error_code | error | go, uuid, api, response |
| --unix-socket must be used exclusively. | validation | error | cli, config, conflicting-flags |
| Expected to find a single tunnel with uuid %v but found %d t | error_code | error | cloudflared, api, tunnel, account |
| metadata JWT is older than %s | validation | error | jwt, clock-skew, time, cloudflare-access |
| scanner reported an error: %w | exception | error | diagnostics, network, traceroute, io |
| unknown protocol %v | exception | error | quic, rpc, protocol-handshake |
ErrTunnelNameConflict tunnel with name already exists | error_code | error | api, cloudflare, conflict, tunnel |
| metadata JWT verification failed (%v) and JWKS refresh also | exception | error | |
| REST request failed | exception | error | |
| Invalid CIDR supplied for %s | validation | error | go, cli, cidr, validation |
| metadata JWT iat is missing or invalid | validation | error | jwt, token-validation, issued-at, cloudflare-access |
| timed out waiting for lock file %s | exception | error | |
| v.Error | exception | error | auto-update, api, cloudflared |
| data protocol not supported | error_code | warning | protocol, quic, unsupported |
| %s is neither the ID nor the name of any of your tunnels | validation | error | cli, not-found, tunnel, identifier |
| wrong protocol signature %v | exception | error | quic, protocol-handshake, stream |
| aud array contains non-string elements | validation | error | jwt, validation, audience-claim, token |
| http://%s/ready endpoint returned status code %d %s | http | error | http, health-check, cli, readiness |
| quick tunnel provisioning failed: %s | exception | error | network, http, quick-tunnel, api |
| Tunnel credentials file '%s' doesn't exist or is not a file | validation | error | file, configuration, tunnel |
| %v is not valid IP | validation | error | udp, ip-validation, rpc |
| create token file at %s: %w | console | error | filesystem, file-open, permissions |
| empty application token | error_code | error | access, auth, token, cli |
ErrAPINoSuccess API call failed | error_code | error | api, cloudflare, http |
| REST request failed | exception | error | |
| Connect to %v denied due to iprule: %s | exception | warning | network, socks5, access-policy, acl |
| failed to decode metadata JWT claims | exception | error | jwt, json, claims, cloudflare-access |
| Failed to send datagram back to edge | error_code | error | quic, udp, datagram, edge, packet-drop |
| message is too short to contain a nonce | validation | error | crypto, nonce, decryption, token |