istio/istio · error

invalid proxy Type: %s

Error message

invalid proxy Type: %s

What it means

Error "invalid proxy Type: %s" thrown in istio/istio.

Source

Thrown at pilot/cmd/pilot-agent/app/cmd.go:237

	if len(domain) == 0 {
		domain = podNamespace + ".svc." + constants.DefaultClusterLocalDomain
	}
	return domain
}

func configureLogging(_ *cobra.Command, _ []string) error {
	if err := log.Configure(loggingOptions); err != nil {
		return err
	}
	return nil
}

func initProxy(args []string) error {
	proxyArgs.Type = model.SidecarProxy
	if len(args) > 0 {
		proxyArgs.Type = model.NodeType(args[0])
		if !model.IsApplicationNodeType(proxyArgs.Type) {
			return fmt.Errorf("invalid proxy Type: %s", string(proxyArgs.Type))
		}
	}

	podIP, _ := netip.ParseAddr(options.InstanceIPVar.Get()) // protobuf encoding of IP_ADDRESS type
	if podIP.IsValid() {
		// The first one must be the pod ip as we pick the first ip as pod ip in istiod.
		proxyArgs.IPAddresses = []string{podIP.String()}
	}

	// Obtain all the IPs from the node
	proxyAddrs := make([]string, 0)
	if ipAddrs, ok := network.GetPrivateIPs(context.Background()); ok {
		proxyAddrs = append(proxyAddrs, ipAddrs...)
	}

	// No IP addresses provided, append 127.0.0.1 for ipv4 and ::1 for ipv6
	if len(proxyAddrs) == 0 {
		proxyAddrs = append(proxyAddrs, localHostIPv4, localHostIPv6)

View on GitHub (pinned to 8dc789c5cf)

When it happens

Trigger: Thrown at pilot/cmd/pilot-agent/app/cmd.go:237 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of istio/istio@8dc789c5cf (2026-08-15). Data as JSON: /api/errors/9ef62f6ca5cd04ae. Report an issue: GitHub.