Bukkit

What steps will reproduce the problem?
1. shoot arrow at fence wall
2. pull
3. You are stuck in wall. Quickly walk through other side

What is the expected output? What do you see instead?
teleport in front of fence instead of inside it

What version of the product are you using?
Latest

Do you have an error log of what happened?
No errors just glitch exploit

Please provide any additional information below.

http://www.youtube.com/watch?v=0VNofcS8xQQ