docker/cli · error · invalidParameterErr

unable to parse server address: %w

Error message

unable to parse server address: %w

What it means

Error "unable to parse server address: %w" thrown in docker/cli.

Source

Thrown at internal/registry/service.go:45

		return nil, err
	}
	return &Service{config: config}, nil
}

// Auth contacts the public registry with the provided credentials,
// and returns OK if authentication was successful.
// It can be used to verify the validity of a client's credentials.
func (s *Service) Auth(ctx context.Context, authConfig *registry.AuthConfig, userAgent string) (token string, _ error) {
	registryHostName := IndexHostname

	if authConfig.ServerAddress != "" {
		serverAddress := authConfig.ServerAddress
		if !strings.HasPrefix(serverAddress, "https://") && !strings.HasPrefix(serverAddress, "http://") {
			serverAddress = "https://" + serverAddress
		}
		u, err := url.Parse(serverAddress)
		if err != nil {
			return "", invalidParam(fmt.Errorf("unable to parse server address: %w", err))
		}
		registryHostName = u.Host
	}

	// Lookup endpoints for authentication.
	endpoints, err := s.Endpoints(ctx, registryHostName)
	if err != nil {
		if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
			return "", err
		}
		return "", invalidParam(err)
	}

	var lastErr error
	for _, endpoint := range endpoints {
		authToken, err := loginV2(ctx, authConfig, endpoint, userAgent)
		if err != nil {
			if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) || errdefs.IsUnauthorized(err) {

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at internal/registry/service.go:45 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of docker/cli@e9452d6e78 (2026-08-01). Data as JSON: /data/errors/30cda8a402144455.json. Report an issue: GitHub.