docker/cli · error

invalid generic-resource request `%s=%s`, Named Generic Reso

Error message

invalid generic-resource request `%s=%s`, Named Generic Resources is not supported for service create or update

What it means

Error "invalid generic-resource request `%s=%s`, Named Generic Resources is not supported for service create or update" thrown in docker/cli.

Source

Thrown at cli/command/service/generic_resource_opts.go:42

	return val, nil
}

// ParseGenericResources parses an array of Generic resourceResources
// Requesting Named Generic Resources for a service is not supported this
// is filtered here.
func ParseGenericResources(value []string) ([]swarm.GenericResource, error) {
	if len(value) == 0 {
		return nil, nil
	}

	swarmResources, err := genericresource.Parse(value)
	if err != nil {
		return nil, fmt.Errorf("invalid generic resource specification: %w", err)
	}

	for _, res := range swarmResources {
		if res.NamedResourceSpec != nil {
			return nil, fmt.Errorf("invalid generic-resource request `%s=%s`, Named Generic Resources is not supported for service create or update",
				res.NamedResourceSpec.Kind, res.NamedResourceSpec.Value,
			)
		}
	}

	return swarmResources, nil
}

func buildGenericResourceMap(genericRes []swarm.GenericResource) (map[string]swarm.GenericResource, error) {
	m := make(map[string]swarm.GenericResource)

	for _, res := range genericRes {
		if res.DiscreteResourceSpec == nil {
			return nil, fmt.Errorf("invalid generic-resource `%+v` for service task", res)
		}

		_, ok := m[res.DiscreteResourceSpec.Kind]
		if ok {

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/command/service/generic_resource_opts.go:42 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/6f1eb6fde0e39237.json. Report an issue: GitHub.