---- Minecraft Crash Report ----
// Shall we play a game?

Time: 10.12.12 1:40
Description: Exception in server tick loop

java.lang.NullPointerException
at net.minecraft.server.DedicatedServer.al(DedicatedServer.java:254)
at net.minecraft.server.DedicatedServer.a(DedicatedServer.java:200)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:433)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)

A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows NT (unknown) (amd64) version 6.2
Java Version: 1.7.0_05, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 105470032 bytes (100 MB) / 129499136 bytes (123 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 2 total; -Xincgc -Xmx1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: [net.minecraft.server.ICommandListener, IMojangStatistics, IDataManager, ...], [org.bukkit.World, BlockChangeDelegate, Server], [org.bukkit.block.BlockState], [org.bukkit.command.CommandSender, RemoteConsoleCommandSender], [org.bukkit.configuration.serialization.ConfigurationSerializable], [org.bukkit.craftbukkit.Main, LoggerOutputStream, CraftServer], [org.bukkit.craftbukkit.inventory.CraftItemStack, CraftRecipe, CraftShapedRecipe, ...], [org.bukkit.craftbukkit.libs.jline.TerminalFactory, Terminal, Flavor, ...], [org.bukkit.craftbukkit.libs.jline.console.ConsoleReader, CursorBuffer, ConsoleKeys, ...], [org.bukkit.craftbukkit.libs.jline.console.completer.CompletionHandler, CandidateListCompletionHandler], [org.bukkit.craftbukkit.libs.jline.console.history.History, MemoryHistory], [org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader, Configuration, Log], [org.bukkit.craftbukkit.libs.joptsimple.OptionException, OptionParser, OptionSpec, ...], [org.bukkit.craftbukkit.libs.joptsimple.internal.AbbreviationMap, ReflectionException, Reflection, ...], [org.bukkit.craftbukkit.potion.CraftPotionEffectType], [org.bukkit.craftbukkit.util.Waitable, ServerShutdownThread, TerminalConsoleHandler, ...], [org.bukkit.event.Event, Cancellable, HandlerList, ...], [org.bukkit.event.block.BlockEvent, BlockFadeEvent, BlockGrowEvent, ...], [org.bukkit.event.entity.EntityEvent, EntityInteractEvent, EntityDamageEvent, ...], [org.bukkit.event.hanging.HangingEvent, HangingPlaceEvent], [org.bukkit.event.painting.PaintingEvent, PaintingPlaceEvent], [org.bukkit.event.player.PlayerEvent, PlayerInteractEvent, PlayerFishEvent], [org.bukkit.event.server.ServerEvent, MapInitializeEvent, ServerCommandEvent], [org.bukkit.event.world.WorldEvent, WorldSaveEvent, WorldInitEvent, ...], [org.bukkit.inventory.ItemStack, Recipe, ShapedRecipe, ...], [org.bukkit.map.MapView], [org.bukkit.metadata.Metadatable], [org.bukkit.permissions.ServerOperator, Permissible], [org.bukkit.plugin.messaging.PluginMessageRecipient], [org.bukkit.potion.PotionEffectType, PotionEffectTypeWrapper], [org.fusesource.hawtjni.runtime.Library], [org.fusesource.jansi.AnsiOutputStream, WindowsAnsiOutputStream, AnsiConsole, ...], [org.fusesource.jansi.internal.Kernel32, CONSOLE_SCREEN_BUFFER_INFO, COORD, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
CraftBukkit Information:
Running:
Failed to handle CraftCrashReport:
java.lang.NullPointerException
at org.bukkit.Bukkit.getName(Bukkit.java:67)
at org.bukkit.craftbukkit.CraftCrashReport.call(CraftCrashReport.java:20)
at net.minecraft.server.CrashReportSystemDetails.a(SourceFile:74)
at net.minecraft.server.CrashReport.h(CrashReport.java:43)
at net.minecraft.server.CrashReport.<init>(CrashReport.java:30)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:443)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)

Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'craftbukkit'
Type: Dedicated Server (map_server.txt)