docker/cli · error

login attempt to %s failed with status: %d %s

Error message

login attempt to %s failed with status: %d %s

What it means

Error "login attempt to %s failed with status: %d %s" thrown in docker/cli.

Source

Thrown at internal/registry/auth.go:70

		credentialAuthConfig = *authConfig
		creds                = loginCredentialStore{authConfig: &credentialAuthConfig}
	)

	loginClient, err := v2AuthHTTPClient(endpoint.URL, authTrans, modifiers, creds, nil)
	if err != nil {
		return "", err
	}

	resp, err := loginClient.Do(req)
	if err != nil {
		err = translateV2AuthError(err)
		return "", err
	}
	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		// TODO(dmcgowan): Attempt to further interpret result, status code and error code string
		return "", fmt.Errorf("login attempt to %s failed with status: %d %s", endpointStr, resp.StatusCode, http.StatusText(resp.StatusCode))
	}

	return credentialAuthConfig.IdentityToken, nil
}

func v2AuthHTTPClient(endpoint *url.URL, authTransport http.RoundTripper, modifiers []transport.RequestModifier, creds auth.CredentialStore, scopes []auth.Scope) (*http.Client, error) {
	challengeManager, err := PingV2Registry(endpoint, authTransport)
	if err != nil {
		return nil, err
	}

	authHandlers := []auth.AuthenticationHandler{
		auth.NewTokenHandlerWithOptions(auth.TokenHandlerOptions{
			Transport:     authTransport,
			Credentials:   creds,
			OfflineAccess: true,
			ClientID:      AuthClientID,
			Scopes:        scopes,

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at internal/registry/auth.go:70 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/0c153e65bd8f5f91.json. Report an issue: GitHub.