02/09/14 Out of memory log file

2014-02-09 18:29:45 [SERVER] [INFO] Starting integrated minecraft server version 1.6.4
2014-02-09 18:29:45 [SERVER] [INFO] Generating keypair
2014-02-09 18:29:47 [SERVER] [INFO] Preparing start region for level 0
2014-02-09 18:29:48 [SERVER] [INFO] Preparing spawn area: 61%
2014-02-09 18:29:49 [SERVER] [INFO] Preparing spawn area: 76%
2014-02-09 18:29:51 [SERVER] [INFO] Zimzyx[/127.0.0.1:0] logged in with entity id 359 at (-158.18484357141327, 70.0, 96.57519170257339)
2014-02-09 18:29:51 [SERVER] [INFO] Zimzyx joined the game
2014-02-09 18:29:53 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:30:10 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:30:36 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:31:21 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:31:44 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:32:07 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:32:52 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:32:58 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:33:38 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:34:24 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:34:28 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:34:48 [SERVER] [WARNING] Zimzyx moved wrongly!
2014-02-09 18:34:56 [SERVER] [INFO] Saving and pausing game...
2014-02-09 18:34:56 [SERVER] [INFO] Saving chunks for level 'Finally'/Overworld
2014-02-09 18:34:56 [SERVER] [WARNING] The save is being accessed from another location, aborting
2014-02-09 18:34:56 [SERVER] [INFO] Saving chunks for level 'Finally'/Nether
2014-02-09 18:34:58 [SERVER] [INFO] Saving chunks for level 'Finally'/The Moo Moo Farm
2014-02-09 18:34:58 [SERVER] [INFO] Saving chunks for level 'Finally'/Underdark
2014-02-09 18:34:58 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:35:32 [SERVER] [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2014-02-09 18:35:59 [SERVER] [SEVERE] Encountered an unexpected exception OutOfMemoryError
java.lang.OutOfMemoryError: GC overhead limit exceeded
	at net.minecraft.world.chunk.storage.ExtendedBlockStorage.<init>(SourceFile:22)
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75823_a(AnvilChunkLoader.java:375)
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75822_a(AnvilChunkLoader.java:103)
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75815_a(AnvilChunkLoader.java:83)
	at net.minecraft.world.gen.ChunkProviderServer.func_73239_e(ChunkProviderServer.java:182)
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:118)
	at net.minecraft.server.management.PlayerInstance.<init>(PlayerInstance.java:43)
	at net.minecraft.server.management.PlayerManager.func_72690_a(SourceFile:208)
	at net.minecraft.server.management.PlayerManager.func_72683_a(SourceFile:240)
	at net.minecraft.server.management.ServerConfigurationManager.func_72375_a(ServerConfigurationManager.java:220)
	at com.xcompwiz.mystcraft.linking.LinkController.teleportEntity(LinkController.java:118)
	at com.xcompwiz.mystcraft.linking.LinkController.travelEntity(LinkController.java:60)
	at com.xcompwiz.mystcraft.tileentity.TileEntityBookDisplay.link(TileEntityBookDisplay.java:79)
	at com.xcompwiz.mystcraft.inventory.ContainerBook.processMessage(ContainerBook.java:278)
	at com.xcompwiz.mystcraft.network.MPacketGUIMessage.handle(MPacketGUIMessage.java:36)
	at com.xcompwiz.mystcraft.network.MystcraftPacketHandler.onPacketData(MystcraftPacketHandler.java:45)
	at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:255)
	at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:245)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:85)
	at net.minecraft.network.NetServerHandler.func_72501_a(NetServerHandler.java:1130)
	at net.minecraft.network.packet.Packet250CustomPayload.func_73279_a(SourceFile:61)
	at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:141)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:54)
	at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:109)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:691)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
2014-02-09 18:36:05 [SERVER] [INFO] Stopping server
2014-02-09 18:36:05 [SERVER] [INFO] Saving players
2014-02-09 18:36:07 [SERVER] [INFO] Zimzyx left the game
2014-02-09 18:36:10 [SERVER] [INFO] Saving worlds