Chunk reset when using a chunkloader

[t-master]

After placing a chunkloader in a mystcraft world I got a timeout, the following exception on the server and the chunk where the chunkloader was placed in

got reset.

2013-08-16 18:00:14 [iNFO] [sTDERR] java.lang.NullPointerException
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at com.google.common.collect.ImmutableSetMultimap$Builder.putAll(ImmutableSetMultimap.java:227)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraftforge.common.ForgeChunkManager.forceChunk(ForgeChunkManager.java:738)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.ChunkLoaderManager$TicketManager.addChunk(ChunkLoaderManager.java:112)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.ChunkLoaderManager$ChunkLoaderOrganiser.forceChunks(ChunkLoaderManager.java:237)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.ChunkLoaderManager$ChunkLoaderOrganiser.addChunkLoader(ChunkLoaderManager.java:184)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.ChunkLoaderManager.addChunkLoader(ChunkLoaderManager.java:694)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.TileChunkLoaderBase.activate(TileChunkLoaderBase.java:125)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.TileChunkLoader.activate(TileChunkLoader.java:115)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at codechicken.chunkloader.TileChunkLoaderBase.func_70312_q(TileChunkLoaderBase.java:39)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.chunk.Chunk.func_76604_a(Chunk.java:1040)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.chunk.Chunk.func_76620_a(Chunk.java:1013)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75823_a(AnvilChunkLoader.java:442)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75822_a(AnvilChunkLoader.java:103)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75815_a(AnvilChunkLoader.java:83)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.gen.ChunkProviderServer.func_73239_e(ChunkProviderServer.java:182)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:118)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:166)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.World.func_72964_e(World.java:528)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.world.World.func_72838_d(World.java:1574)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:261)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.management.ServerConfigurationManager.func_72355_a(ServerConfigurationManager.java:130)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.network.NetLoginHandler.completeConnection(NetLoginHandler.java:194)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at cpw.mods.fml.common.network.FMLNetworkHandler.handleClientConnection(FMLNetworkHandler.java:166)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at cpw.mods.fml.common.network.FMLNetworkHandler.onConnectionReceivedFromClient(FMLNetworkHandler.java:120)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.network.NetLoginHandler.func_72529_d(NetLoginHandler.java:178)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.network.NetLoginHandler.func_72532_c(NetLoginHandler.java:71)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.ServerListenThread.func_71766_a(ServerListenThread.java:55)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:29)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:677)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:275)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:573)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:470)
2013-08-16 18:00:14 [iNFO] [sTDERR] 	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)

[LexManos]

Interesting, this looks like it can only happen if the chunk loader tries to create a ticket for a world that doesn't exist.

Can you reproduce this behavior, and you may wanna talk to ChickenBones about it as it's his ChunkLoader.