XTLS/Xray-core · error

Unable to load config

Error message

Unable to load config

What it means

Error "Unable to load config" thrown in XTLS/Xray-core.

Source

Thrown at core/config.go:159

		if hasProtobuf {
			if len(v) == 1 {
				return configLoaderByName["protobuf"].Loader(v)
			} else {
				return nil, errors.New("Only one protobuf config file is allowed").AtWarning()
			}
		}

		// to avoid import cycle
		return ConfigBuilderForFiles(files)
	case io.Reader:
		if f, found := configLoaderByName[formatName]; found {
			return f.Loader(v)
		} else {
			return nil, errors.New("Unable to load config in", formatName).AtWarning()
		}
	}

	return nil, errors.New("Unable to load config").AtWarning()
}

func loadProtobufConfig(data []byte) (*Config, error) {
	config := new(Config)
	if err := proto.Unmarshal(data, config); err != nil {
		return nil, err
	}
	return config, nil
}

func init() {
	common.Must(RegisterConfigLoader(&ConfigFormat{
		Name:      "Protobuf",
		Extension: []string{"pb"},
		Loader: func(input interface{}) (*Config, error) {
			switch v := input.(type) {
			case cmdarg.Arg:
				r, err := confloader.LoadConfig(v[0])

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at core/config.go:159 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of XTLS/Xray-core@7d214f8b09 (2026-08-15). Data as JSON: /api/errors/78a82cdd190478c4. Report an issue: GitHub.