Bukkit

What steps will reproduce the problem?
1.Using the Default Blocks as protections stones.
2.Player goes mining and mines either a Coal, Lapis, or Diamond block
3.Receives NO EXP from the mining.

What is the expected output? What do you see instead? Expected: Receive EXP after mining, Instead: Obtain just the resource, but no EXP

What version of the product are you using? 1.9i

Do you have an error log of what happened? Nothing appears in the log. It is like nothing wrong is going on.

Please provide any additional information below.

Basically what I explain, I am getting complaints that players are not receiving any EXP from the ores used in the default config. ALL OTHER ORES are ok and drop the resources and EXP like normal.