RubyMine Invalidate Caches and Restart
Quick answer
Use File | Invalidate Caches when RubyMine shows stale code insight.
Most likely fix: Invalidate caches
How to fix it
Try these in order — the most common fix is first.
1. Invalidate caches
- Open File | Invalidate Caches...
- Optionally tick: clear file system cache and Local History, clear VCS Log caches, delete embedded browser cache
- Click Invalidate and Restart ('Just restart' does not delete caches)
- Cache files are removed only after the restart
Did this fix it?
Symptoms
Wrong highlighting or unresolved symbols after updates.
Why it happens
- Stale caches
This guide also covers
- rubymine invalidate caches
- rubymine not working
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