Bukkit

What steps will reproduce the problem?
1.Blowing TNT near doubblechests.
2.Possible random Timeouts, where CPU drops to 0% for about 10-20 seconds so ppl timeout, and then revives, and ppl log on again

What is the expected output? What do you see instead?
Glitched chests. Chests pointing against north.
See additional info on a youtube illustration.

What version of the product are you using?
Spigot 1.8
CreeperHeal version 6.7.9

Do you have an error log of what happened?
No errorlog, except from "Cannot hook into LWC" thing. But that is another issue.

Please provide any additional information below.
https://www.youtube.com/watch?v=7ouCiLbbDiM <- How it looks, and works.
Illustrating means more.

It seems to be a problem with double chests that aren't entirely exploded, Ill take a look into this. The probable solution is that if one block of a double chest is affected, the two blocks have to be gone.