Bukkit

What steps will reproduce the problem?
1.try to pass entity through portal.
2.
3.

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

to see entity on output side of portal.
What version of the product are you using?
0.3

Do you have an error log of what happened?
no log

Please provide any additional information below.

i think a portal is being created, but dont know where. i pass a chicken through, it comes back. I other entities dont.