Debugging ArgoCD: Diagnosing Sync Failures, Health Checks, RBAC, and Repo Issues

Calendar February 22, 2026
Cicd
Intermediate
Argocd-Troubleshooting, Kubernetes-Debugging
Argocd, Debugging, Gitops, Health-Checks, Rbac, Troubleshooting
Argocd, Kubectl

Debugging ArgoCD#

Most ArgoCD problems fall into predictable categories: sync stuck in a bad state, resources showing OutOfSync when they should not be, health checks reporting wrong status, RBAC blocking operations, or repository connections failing. Here is how to diagnose and fix each one.

Application Stuck in Progressing#

An application stuck in Progressing means ArgoCD is waiting for a resource to become healthy and it never does. The most common causes: