Debug-action-cache _best_ Access

To debug cache issues in GitHub Actions (specifically when using actions/cache), you should focus on verifying cache hits/misses, inspecting key generation, and enabling verbose logging. 1. Enable Verbose Debug Logging

A Sample Debug Output

A normal log says: Cache restored from key: Linux-node-abc123 debug-action-cache

function generated a unique string that hasn't been saved yet. Partial Matches: To debug cache issues in GitHub Actions (specifically

  1. Enable ACTIONS_STEP_DEBUG and ACTIONS_RUNNER_DEBUG.
  2. Re-run the failed workflow.
  3. Search the logs for [debug] Cache service URL and GET response.
  4. Verify the exact key that restored.
  5. Inspect the files after restore using ls -la.
  6. Delete the bad cache via gh actions cache delete.
  7. Refine your key strategy (include branch name, OS, and exact hash).

Local Testing: Use tools like nektos/act or the GitHub Local Actions VS Code extension to run your workflows locally and test cache logic without waiting for cloud runners. Enable ACTIONS_STEP_DEBUG and ACTIONS_RUNNER_DEBUG