docker/cli · error

invalid credential spec: spec specifies config %v, but no su

Error message

invalid credential spec: spec specifies config %v, but no such config can be found

What it means

Error "invalid credential spec: spec specifies config %v, but no such config can be found" thrown in docker/cli.

Source

Thrown at cli/compose/convert/service.go:721

	}
	swarmCredSpec := swarm.CredentialSpec(spec)
	// if we're using a swarm Config for the credential spec, over-write it
	// here with the config ID
	if swarmCredSpec.Config != "" {
		for _, config := range refs {
			if swarmCredSpec.Config == config.ConfigName {
				swarmCredSpec.Config = config.ConfigID
				return &swarmCredSpec, nil
			}
		}
		// if none of the configs match, try namespacing
		for _, config := range refs {
			if namespace.Scope(swarmCredSpec.Config) == config.ConfigName {
				swarmCredSpec.Config = config.ConfigID
				return &swarmCredSpec, nil
			}
		}
		return nil, fmt.Errorf("invalid credential spec: spec specifies config %v, but no such config can be found", swarmCredSpec.Config)
	}
	return &swarmCredSpec, nil
}

func convertUlimits(origUlimits map[string]*composetypes.UlimitsConfig) []*container.Ulimit {
	ulimits := make([]*container.Ulimit, 0, len(origUlimits))
	for name, u := range origUlimits {
		soft, hard := int64(u.Soft), int64(u.Hard)
		if u.Single != 0 {
			soft, hard = int64(u.Single), int64(u.Single)
		}

		ulimits = append(ulimits, &container.Ulimit{
			Name: name,
			Soft: soft,
			Hard: hard,
		})
	}

View on GitHub (pinned to e9452d6e78)

When it happens

Trigger: Thrown at cli/compose/convert/service.go:721 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/29d41fc70dda2afe.json. Report an issue: GitHub.