Debug-action-cache -

: Cache not found for key: linux-npm-xyz123

key: my-cache-$ runner.os -$ github.run_id debug-action-cache

However, when an action cache suffers from frequent "cache misses"—meaning it executes tasks from scratch even when no source code changed—your build times skyrocket. To resolve this, you must to identify non-deterministic variables, leaky host environments, and bad cache keys. 1. What is an Action Cache and Why Does it Miss? : Cache not found for key: linux-npm-xyz123 key:

- name: Cache Node Modules uses: actions/cache@v4 env: CACHE_DEBUG: true with: path: node_modules key: $ runner.os -node-$ hashFiles('package-lock.json') you must to identify non-deterministic variables

Modify the key temporarily to force the creation of a fresh cache.