argoproj/argo-workflows · error

failure to create workflow client: %w

Error message

failure to create workflow client: %w

What it means

DefaultClientForAuthorization could not construct the workflow clientset (workflow.NewForConfig) from the merged rest.Config. Like its siblings, it means the per-request Kubernetes clients could not be initialized for this authorization.

Source

Thrown at server/auth/gatekeeper.go:354

	if claims.Email != "" {
		fields["email"] = claims.Email
	}
	return fields
}

func DefaultClientForAuthorization(authorization string, config *rest.Config) (*rest.Config, *servertypes.Clients, error) {
	restConfig, err := kubeconfig.GetRestConfig(authorization)
	if err != nil {
		return nil, nil, fmt.Errorf("failed to create REST config: %w", err)
	}
	restConfig = mergeServerRestConfig(config, restConfig)
	dynamicClient, err := dynamic.NewForConfig(restConfig)
	if err != nil {
		return nil, nil, fmt.Errorf("failure to create dynamic client: %w", err)
	}
	wfClient, err := workflow.NewForConfig(restConfig)
	if err != nil {
		return nil, nil, fmt.Errorf("failure to create workflow client: %w", err)
	}
	eventsClient, err := events.NewForConfig(restConfig)
	if err != nil {
		return nil, nil, fmt.Errorf("failure to create events client: %w", err)
	}
	kubeClient, err := kubernetes.NewForConfig(restConfig)
	if err != nil {
		return nil, nil, fmt.Errorf("failure to create kubernetes client: %w", err)
	}
	return restConfig, &servertypes.Clients{
		Dynamic:    dynamicClient,
		Workflow:   wfClient,
		Events:     eventsClient,
		Kubernetes: kubeClient,
	}, nil
}

func mergeServerRestConfig(argoServerConfig *rest.Config, newConfig *rest.Config) *rest.Config {

View on GitHub (pinned to 35bff19146)

Solutions

1. Inspect the wrapped error for the config problem
2. Verify server kubeconfig and the caller's credential format

When it happens

Trigger: Thrown at server/auth/gatekeeper.go:354 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of argoproj/argo-workflows@35bff19146 (2026-09-03). Data as JSON: /api/errors/915a2ebae3b2cccf. Report an issue: GitHub.