docker/cli · error

could not find generic-resource `%s` to remove it

Error message

could not find generic-resource `%s` to remove it

What it means

Error "could not find generic-resource `%s` to remove it" thrown in docker/cli.

Source

Thrown at cli/command/service/update.go:614

	if spec.Resources == nil {
		spec.Resources = &swarm.ResourceRequirements{}
	}

	if spec.Resources.Reservations == nil {
		spec.Resources.Reservations = &swarm.Resources{}
	}

	values := flags.Lookup(flagGenericResourcesRemove).Value.(*opts.ListOpts).GetSlice()

	m, err := buildGenericResourceMap(spec.Resources.Reservations.GenericResources)
	if err != nil {
		return err
	}

	for _, toRemoveRes := range values {
		if _, ok := m[toRemoveRes]; !ok {
			return fmt.Errorf("could not find generic-resource `%s` to remove it", toRemoveRes)
		}

		delete(m, toRemoveRes)
	}

	spec.Resources.Reservations.GenericResources = buildGenericResourceList(m)
	return nil
}

func updatePlacementConstraints(flags *pflag.FlagSet, placement *swarm.Placement) {
	if flags.Changed(flagConstraintAdd) {
		values := flags.Lookup(flagConstraintAdd).Value.(*opts.ListOpts).GetSlice()
		placement.Constraints = append(placement.Constraints, values...)
	}
	toRemove := buildToRemoveSet(flags, flagConstraintRemove)

	newConstraints := []string{}
	for _, constraint := range placement.Constraints {

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/command/service/update.go:614 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/ae70e12274ce00bd.json. Report an issue: GitHub.