: If a specific version is locked in Chart.lock but has been deleted from the repository, the download will fail. 4. Debugging the helm template Command
If the chart is hosted in a private registry (like JFrog Artifactory , Harbor, or Amazon ECR ), Helm may fail to download it due to expired or missing credentials. error failed to download helm template
: Run helm repo update to refresh your local cache. If this fails, the issue is likely network-related. : If a specific version is locked in Chart
: If you are behind a corporate firewall, ensure your HTTP_PROXY and HTTPS_PROXY environment variables are correctly configured for your terminal session. 2. Troubleshoot Authentication Issues : Run helm repo update to refresh your local cache
: If the local chart files are corrupted, try deleting the charts/ subfolder and running helm dependency build to clean-pull the templates. Common Error Variations Error Message Likely Cause 401 Unauthorized Missing credentials Run helm repo add with --username and --password . 404 Not Found Wrong chart name/version Verify the version exists with helm search repo . Connection Refused VPN or Proxy issues Check your network connection or local proxy settings. helm template
The most common cause is an unreachable Helm repository. Ensure your local client can still see the remote server.
If you are trying to run a template on a local directory, ensure your pathing is correct:
