Bukkit/CraftBukkit — pull request #1027 by EdGruberman (2013-02-10 05:16:46+00:00)
Title: Check TravelAgent.findOrCreate(Location) for null; Fixes BUKKIT-3590

If a custom TravelAgent is used and returns null for findOrCreate method
a NullPointerException will occur.

https://bukkit.atlassian.net/browse/BUKKIT-3590