Bukkit

What steps will reproduce the problem?
1.No Glowstone placeing at the edge
2.
3.

What is the expected output? What do you see instead?

I see nothing

What version of the product are you using?

Actual Version! I don´t know the number

Do you have an error log of what happened?

Please provide any additional information below.
New Craftbukkit Version
Plugins:
NoCheatPlus, WorldEdit, WorldGuard, Vault, SignLift, Multiverse-Core, PermissionEx, SelfPromote, dynmap, iConomy, AuthMe, Colors, BanManager, PluginSpy, ZavAutoMessager, Votifier, Herochat, FoundDiamonds (Self written Plugin), Essentials (+ all Components), Jobs, ChunkOwn, CreativeControl, VanishNoPacket, LWC, ChestShop