argoproj/argo-workflows · error

failed to update workflow template: %w

Error message

failed to update workflow template: %w

What it means

The argo cron update command's UpdateCronWorkflow gRPC call was rejected by the server; the wrapped error carries the server-side reason (spec validation failure, conflict on resourceVersion, RBAC denial).

Source

Thrown at cmd/argo/commands/cron/update.go:91

			return err
		}
		if cronWf.Namespace == "" {
			cronWf.Namespace = client.Namespace(ctx)
		}
		current, err := serviceClient.GetCronWorkflow(ctx, &cronworkflowpkg.GetCronWorkflowRequest{
			Name:      cronWf.Name,
			Namespace: cronWf.Namespace,
		})
		if err != nil {
			return fmt.Errorf("failed to get existing cron workflow %q to update: %w", cronWf.Name, err)
		}
		cronWf.ResourceVersion = current.ResourceVersion
		updated, err := serviceClient.UpdateCronWorkflow(ctx, &cronworkflowpkg.UpdateCronWorkflowRequest{
			Namespace:    cronWf.Namespace,
			CronWorkflow: &cronWf,
		})
		if err != nil {
			return fmt.Errorf("failed to update workflow template: %w", err)
		}
		fmt.Print(getCronWorkflowGet(ctx, updated))
	}
	return nil
}

View on GitHub (pinned to 35bff19146)

Solutions

1. Read the wrapped error; fix the spec or re-fetch and retry on resourceVersion conflict
2. Run argo cron lint on the file first

When it happens

Trigger: Thrown at cmd/argo/commands/cron/update.go:91 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/10ccda7284db5445. Report an issue: GitHub.