docker/cli · error

invalid type %T for ulimits

Error message

invalid type %T for ulimits

What it means

Error "invalid type %T for ulimits" thrown in docker/cli.

Source

Thrown at cli/compose/loader/loader.go:535

			logrus.Warn("cannot expand '~', because the environment lacks HOME")
			return srcPath
		}
		return strings.Replace(srcPath, "~", home, 1)
	}
	return srcPath
}

func transformUlimits(data any) (any, error) {
	switch value := data.(type) {
	case int:
		return types.UlimitsConfig{Single: value}, nil
	case map[string]any:
		ulimit := types.UlimitsConfig{}
		ulimit.Soft = value["soft"].(int)
		ulimit.Hard = value["hard"].(int)
		return ulimit, nil
	default:
		return data, fmt.Errorf("invalid type %T for ulimits", value)
	}
}

// LoadNetworks produces a NetworkConfig map from a compose file Dict
// the source Dict is not validated if directly used. Use Load() to enable validation
func LoadNetworks(source map[string]any, version string) (map[string]types.NetworkConfig, error) {
	networks := make(map[string]types.NetworkConfig)
	err := Transform(source, &networks)
	if err != nil {
		return networks, err
	}
	for name, nw := range networks {
		if !nw.External.External {
			continue
		}
		switch {
		case nw.External.Name != "":
			if nw.Name != "" {

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/compose/loader/loader.go:535 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/c8d86c5326d5b563.json. Report an issue: GitHub.