Помогите Сервер стал часто крашиться!

Помогите пожалуйста,кто знает,из за чего крашится сервер,и как это устранить.

Вот краш репорт

Спойлер

---- Minecraft Crash Report ----
// Ouch. That hurt : (

Time: 07.12.12 20:06
Description: Exception in server tick loop

java.net.UnknownHostException: worldofmines.no-ip.org
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(Unknown Source)
at java.net.InetAddress.getAddressesFromNameService(Unknown Source)
at java.net.InetAddress.getAllByName0(Unknown Source)
at java.net.InetAddress.getAllByName(Unknown Source)
at java.net.InetAddress.getAllByName(Unknown Source)
at java.net.InetAddress.getByName(Unknown Source)
at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:84)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:398)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_03, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 48750688 bytes (46 MB) / 64749568 bytes (61 MB) up to 2796290048 bytes (2666 MB)
JVM Flags: 2 total; -Xincgc -Xmx2700m
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], [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, ExceptionHandler, ...], [org.bukkit.event.Event, Cancellable], [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)

 

Похоже что-то с миром,создай новый мир,и проверь..

 

server.properties в студию

 

Не указывай в server.properties IP.

 

#Minecraft server properties
#Tue Dec 18 19:11:28 YEKT 2012
generator-settings=
allow-nether=true
level-name=world
enable-query=false
allow-flight=false
server-port=25565
level-type=DEFAULT
enable-rcon=false
level-seed=
server-ip=
max-build-height=400
spawn-npcs=true
white-list=false
spawn-animals=true
snooper-enabled=true
hardcore=false
texture-pack=
online-mode=false
pvp=true
difficulty=1
server-name=World of Minecraft
enable-command-block=true
gamemode=0
max-players=30
spawn-monsters=true
generate-structures=true
view-distance=5
spawn-protection=16
motd=\u00A7f1.4.5 \u00A76\u00F1\u00E5\u00F0\u00E2\u00E5\u00F0 \u00EE\u00F2 \u00A7aWorldOfMine

 

max-build-height=256
motd=Minecraft

 

Снеси no-ip. Он конфликтует