an error occurred during the CombineVolumesWithApplications

Error message

an error occurred during the CombineVolumesWithApplications operation, unable to list replica sets across the cluster. Error: %w

What it means

Error "an error occurred during the CombineVolumesWithApplications operation, unable to list replica sets across the cluster. Error: %w" thrown in portainer/portainer.

Source

Thrown at api/kubernetes/cli/volumes.go:234

// CombineVolumesWithApplications combines the volumes with the applications that use them.
func (kcl *KubeClient) CombineVolumesWithApplications(volumes *[]models.K8sVolumeInfo) (*[]models.K8sVolumeInfo, error) {
	pods, err := kcl.cli.CoreV1().Pods("").List(context.Background(), metav1.ListOptions{})
	if err != nil {
		if k8serrors.IsNotFound(err) {
			return volumes, nil
		}
		log.Error().Err(err).Msg("Failed to list pods across the cluster")
		return nil, fmt.Errorf("an error occurred during the CombineServicesWithApplications operation, unable to list pods across the cluster. Error: %w", err)
	}

	hasReplicaSetOwnerReference := containsReplicaSetOwnerReference(pods)
	replicaSetItems := make([]appsv1.ReplicaSet, 0)
	deploymentItems := make([]appsv1.Deployment, 0)
	if hasReplicaSetOwnerReference {
		replicaSets, err := kcl.cli.AppsV1().ReplicaSets("").List(context.Background(), metav1.ListOptions{})
		if err != nil {
			log.Error().Err(err).Msg("Failed to list replica sets across the cluster")
			return nil, fmt.Errorf("an error occurred during the CombineVolumesWithApplications operation, unable to list replica sets across the cluster. Error: %w", err)
		}
		replicaSetItems = replicaSets.Items

		deployments, err := kcl.cli.AppsV1().Deployments("").List(context.Background(), metav1.ListOptions{})
		if err != nil {
			log.Error().Err(err).Msg("Failed to list deployments across the cluster")
			return nil, fmt.Errorf("an error occurred during the CombineVolumesWithApplications operation, unable to list deployments across the cluster. Error: %w", err)
		}
		deploymentItems = deployments.Items
	}

	hasStatefulSetOwnerReference := containsStatefulSetOwnerReference(pods)
	statefulSetItems := make([]appsv1.StatefulSet, 0)
	if hasStatefulSetOwnerReference {
		statefulSets, err := kcl.cli.AppsV1().StatefulSets("").List(context.Background(), metav1.ListOptions{})
		if err != nil {
			log.Error().Err(err).Msg("Failed to list stateful sets across the cluster")
			return nil, fmt.Errorf("an error occurred during the CombineVolumesWithApplications operation, unable to list stateful sets across the cluster. Error: %w", err)

View on GitHub (pinned to 17e74456ff)

When it happens

Trigger: Thrown at api/kubernetes/cli/volumes.go:234 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of portainer/portainer@17e74456ff (2026-08-26). Data as JSON: /api/errors/a2dde6bbc1db3dce. Report an issue: GitHub.