Bukkit

What steps will reproduce the problem?
1.Plant spruce trees and run a track alongside them in a circle
2.Place chests & signs to collect logs, collect saplings, and deposit 64 saplings
3.Start chest cart running

What is the expected output? What do you see instead?
Expect to see spruce logs and spruce saplings. Instead see spruce logs and oak saplings

What version of the product are you using?
Using plugin version 2.3.1

Do you have an error log of what happened?
No error is thrown

Please provide any additional information below.
I am using mc version 1.6.2 for multiple plugin compatibility.