redis/go-redis · error

redis: invalid URL scheme: %s

Error message

redis: invalid URL scheme: %s

What it means

Error "redis: invalid URL scheme: %s" thrown in redis/go-redis.

Source

Thrown at osscluster.go:372

	// setup username, password, and other configurations
	o, err = setupClusterConn(u, h, o)
	if err != nil {
		return nil, err
	}

	return o, nil
}

// setupClusterConn gets the username and password from the URL and the query parameters.
func setupClusterConn(u *url.URL, host string, o *ClusterOptions) (*ClusterOptions, error) {
	switch u.Scheme {
	case "rediss":
		o.TLSConfig = &tls.Config{ServerName: host}
		fallthrough
	case "redis":
		o.Username, o.Password = getUserPassword(u)
	default:
		return nil, fmt.Errorf("redis: invalid URL scheme: %s", u.Scheme)
	}

	// retrieve the configuration from the query parameters
	o, err := setupClusterQueryParams(u, o)
	if err != nil {
		return nil, err
	}

	return o, nil
}

// setupClusterQueryParams converts query parameters in u to option value in o.
func setupClusterQueryParams(u *url.URL, o *ClusterOptions) (*ClusterOptions, error) {
	q := queryOptions{q: u.Query()}

	o.Protocol = q.int("protocol")
	o.ClientName = q.string("client_name")
	o.MaxRedirects = q.int("max_redirects")

View on GitHub (pinned to c5cad058c7)

When it happens

Trigger: Thrown at osscluster.go:372 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of redis/go-redis@c5cad058c7 (2026-09-01). Data as JSON: /api/errors/b86f41e1d714cac8. Report an issue: GitHub.