Put the summary of the bug you're having here
What I expected to happen was...:
torches not disappearing
What actually happened was...:
after I restarted my client, my torches somehow vanished
Steps to Reproduce:
1. open minecraft and make a survival world
2. place torches in an enclosed area (e.g. a shelter)
3. restart minecraft and open the world again
Cannot reproduce, and your log contains nothing unusual.