>14:41:44 [INFO] Chunk (-2, 18) stored at (-2, 25) >14:41:44 [SEVERE] java.lang.Throwable >14:41:44 [SEVERE] at org.bukkit.craftbukkit.util.LongHashtable.get(LongHashtable.java:32) >14:41:44 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProviderServer.java:104) >14:41:44 [SEVERE] at net.minecraft.server.World.getChunkAt(World.java:300) >14:41:44 [SEVERE] at net.minecraft.server.World.a(World.java:593) >14:41:44 [SEVERE] at net.minecraft.server.World.d(World.java:1917) >14:41:44 [SEVERE] at net.minecraft.server.World.b(World.java:1981) >14:41:44 [SEVERE] at net.minecraft.server.World.p(World.java:1898) >14:41:44 [SEVERE] at net.minecraft.server.World.i(World.java:1881) >14:41:44 [SEVERE] at net.minecraft.server.World.doTick(World.java:1638) >14:41:44 [SEVERE] at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:454) >14:41:44 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374) >14:41:44 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:417) >14:41:44 [SEVERE] Chunk (-2, 18) stored at (-2, 25) in world 'FlyCraft v2' >14:41:44 [SEVERE] net.minecraft.server.Chunk >14:41:44 [SEVERE] java.lang.Throwable >14:41:44 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProviderServer.java:112) >14:41:44 [SEVERE] at net.minecraft.server.World.getChunkAt(World.java:300) >14:41:44 [SEVERE] at net.minecraft.server.World.a(World.java:593) >14:41:44 [SEVERE] at net.minecraft.server.World.d(World.java:1917) >14:41:44 [SEVERE] at net.minecraft.server.World.b(World.java:1981) >14:41:44 [SEVERE] at net.minecraft.server.World.p(World.java:1898) >14:41:44 [SEVERE] at net.minecraft.server.World.i(World.java:1881) >14:41:44 [SEVERE] at net.minecraft.server.World.doTick(World.java:1638) >14:41:44 [SEVERE] at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:454) >14:41:44 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374) >14:41:44 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
I ran something called Chunkster when I had a similar problem and it fixed it, but I'm pretty noobish myself when it comes to running servers so I can't be sure it's the right thing for you. It took me a bit of experimentation to figure out how to run it but it did help in the end. More info can be found here: http://forums.bukkit.org/threads/admin-chunkster.8186/