Bukkit

What steps will reproduce the problem?
1. Redownload Craftbukkit
2.Try a test world
3.

What is the expected output? What do you see instead?
I am running into this problem after I copied all my server files over from a host

What version of the product are you using?
Craftbukkit 1.4 Beta

Do you have an error log of what happened?

[INFO] Preparing start region for level 1 (Seed: 6945852589884385214)
2012-10-31 17:12:38 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
2012-10-31 17:12:38 [SEVERE]     at java.util.ArrayList.RangeCheck(Unknown Source)
2012-10-31 17:12:38 [SEVERE]     at java.util.ArrayList.set(Unknown Source)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.RegionFile.<init>(SourceFile:128)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.RegionFileCache.a(SourceFile:65)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.RegionFileCache.c(SourceFile:90)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:46)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.ChunkProviderServer.loadChunk(ChunkProviderServer.java:145)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:90)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:285)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:249)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:141)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:391)
2012-10-31 17:12:38 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
2012-10-31 17:12:39 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
2012-10-31 17:12:39 [SEVERE]     at java.util.ArrayList.RangeCheck(Unknown Source)
2012-10-31 17:12:39 [SEVERE]     at java.util.ArrayList.set(Unknown Source)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFile.<init>(SourceFile:128)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFileCache.a(SourceFile:65)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFileCache.c(SourceFile:90)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:46)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkProviderServer.loadChunk(ChunkProviderServer.java:145)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:90)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:285)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:249)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:141)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:391)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
2012-10-31 17:12:39 [INFO] Preparing spawn area: 0%
2012-10-31 17:12:39 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
2012-10-31 17:12:39 [SEVERE]     at java.util.ArrayList.RangeCheck(Unknown Source)
2012-10-31 17:12:39 [SEVERE]     at java.util.ArrayList.set(Unknown Source)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFile.<init>(SourceFile:128)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFileCache.a(SourceFile:65)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.RegionFileCache.c(SourceFile:90)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:46)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkProviderServer.loadChunk(ChunkProviderServer.java:145)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:90)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:285)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:249)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:141)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:391)
2012-10-31 17:12:39 [SEVERE]     at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
2012-10-31 17:12:39 [SEVERE] java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
2012-10-31 17:12:39

This just repeats about 15 times
Please provide any additional information below.