goharbor/harbor · error

no auth handler registered for mode: %s

Error message

no auth handler registered for mode: %s

What it means

Error "no auth handler registered for mode: %s" thrown in goharbor/harbor.

Source

Thrown at src/pkg/p2p/preheat/provider/client/http_client.go:223

	}

	if (res.StatusCode / 100) != 2 {
		// Return the server error content in the error.
		return nil, errors.Errorf("%s %q error: %s %s", http.MethodPost, res.Request.URL.String(), res.Status, bytes)
	} else if res.StatusCode == http.StatusAlreadyReported {
		// Currently because if image was already preheated at least once, Dragonfly will return StatusAlreadyReported.
		// And we should preserve http status code info to process this case later.
		return bytes, &common_http.Error{Code: http.StatusAlreadyReported, Message: "status already reported"}
	}

	return bytes, nil
}

func (hc *HTTPClient) authorize(req *http.Request, cred *auth.Credential) error {
	if cred != nil {
		authorizer, ok := auth.GetAuthHandler(cred.Mode)
		if !ok {
			return fmt.Errorf("no auth handler registered for mode: %s", cred.Mode)
		}
		if err := authorizer.Authorize(req, cred); err != nil {
			return err
		}
	}

	return nil
}

View on GitHub (pinned to 7b2fd08cc5)

When it happens

Trigger: Thrown at src/pkg/p2p/preheat/provider/client/http_client.go:223 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of goharbor/harbor@7b2fd08cc5 (2026-08-16). Data as JSON: /api/errors/cdbae1c81654b51a. Report an issue: GitHub.