goharbor/harbor · error

[tencent-tcr.PrepareForPush] the name of the namespace canno

Error message

[tencent-tcr.PrepareForPush] the name of the namespace cannot be null

What it means

Returned by the Tencent TCR adapter's PrepareForPush (src/pkg/reg/adapter/tencentcr/adapter.go:224) when resource.Metadata.Repository.Name is the empty string. The name is split on "/" to derive the namespace (paths[0]) and repository (paths[1:]) that the adapter creates in TCR; an empty name has no namespace segment and is rejected.

Source

Thrown at src/pkg/reg/adapter/tencentcr/adapter.go:224

		},
	}
	return
}

func (a *adapter) PrepareForPush(resources []*model.Resource) (err error) {
	log.Debugf("[tencent-tcr.PrepareForPush]")
	for _, resource := range resources {
		if resource == nil {
			return errors.New("the resource cannot be null")
		}
		if resource.Metadata == nil {
			return errors.New("[tencent-tcr.PrepareForPush] the metadata of resource cannot be null")
		}
		if resource.Metadata.Repository == nil {
			return errors.New("[tencent-tcr.PrepareForPush] the namespace of resource cannot be null")
		}
		if len(resource.Metadata.Repository.Name) == 0 {
			return errors.New("[tencent-tcr.PrepareForPush] the name of the namespace cannot be null")
		}
		var paths = strings.Split(resource.Metadata.Repository.Name, "/")
		var namespace = paths[0]
		var repository = path.Join(paths[1:]...)

		log.Debugf("[tencent-tcr.PrepareForPush.createPrivateNamespace] namespace=%s", namespace)
		err = a.createPrivateNamespace(namespace)
		if err != nil {
			return
		}
		log.Debugf("[tencent-tcr.PrepareForPush.createRepository] namespace=%s, repository=%s", namespace, repository)
		err = a.createRepository(namespace, repository)
		if err != nil {
			return
		}
	}

	return

View on GitHub (pinned to 7b2fd08cc5)

Solutions

  1. Ensure Name is a non-empty 'namespace/repository' string before the call.
  2. Pre-validate names (see validationCode) to report the exact failing index.
  3. Unit-test name computation against empty/edge-case inputs.
  4. Log resource.Metadata.Repository.Name at the pipeline boundary when triaging.

Example fix

// before
Repository: &model.Repository{},

// after
Repository: &model.Repository{Name: "myns/myrepo"},
Defensive patterns

Strategy: validation

Validate before calling

for i, r := range resources {
	if r == nil || r.Metadata == nil || r.Metadata.Repository == nil || r.Metadata.Repository.Name == "" {
		return fmt.Errorf("resources[%d]: invalid resource", i)
	}
}

Type guard

func hasRepoName(r *model.Resource) bool {
	return r != nil && r.Metadata != nil &&
		r.Metadata.Repository != nil && r.Metadata.Repository.Name != ""
}

Try / catch

if err := a.PrepareForPush(resources); err != nil {
	if strings.Contains(err.Error(), "name of the namespace cannot be null") {
		// empty Repository.Name: set 'namespace/repo' and retry
	}
	return err
}

Prevention

When it happens

Trigger: Calling tencentcr PrepareForPush with a Repository whose Name is "" — typically after a name-override produced empty or a clone dropped the field.

Common situations: Destination naming templates evaluating to empty; field dropped during struct copy; placeholder fixtures (&model.Repository{}); upstream fetch failing to set the name silently.

Related errors


AI-assisted analysis of goharbor/harbor@7b2fd08cc5 (2026-08-16). Data as JSON: /api/errors/13dfce0bf53e203b. Report an issue: GitHub.