Hey Guys. Just an hour ago i switched my minecraft server to another machine. Everythin works fine and the server starts. When I take a look ingame everything works normal. No map mistakes, all plugin works. But: I get spammed: Code: 2012-08-07 14:35:36 [SEVERE] java.io.UTFDataFormatException 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream$BlockDataInputStream.readUTFSpan(ObjectInputStream.java:3062) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream$BlockDataInputStream.readUTFBody(ObjectInputStream.java:3006) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream$BlockDataInputStream.readUTF(ObjectInputStream.java:2819) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readUTF(ObjectInputStream.java:1050) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectStreamClass.readNonProxy(ObjectStreamClass.java:649) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:808) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1564) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328) 2012-08-07 14:35:36 [SEVERE] at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350) 2012-08-07 14:35:36 [SEVERE] at com.gmail.nossr50.util.blockmeta.HashChunkletManager.deserializeChunkletStore(HashChunkletManager.java:235) 2012-08-07 14:35:36 [SEVERE] at com.gmail.nossr50.util.blockmeta.HashChunkletManager.chunkLoaded(HashChunkletManager.java:36) 2012-08-07 14:35:36 [SEVERE] at com.gmail.nossr50.listeners.WorldListener.onChunkLoad(WorldListener.java:36) 2012-08-07 14:35:36 [SEVERE] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) 2012-08-07 14:35:36 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 2012-08-07 14:35:36 [SEVERE] at java.lang.reflect.Method.invoke(Method.java:597) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:100) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.craftbukkit.CraftWorld.getChunkAt(CraftWorld.java:105) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.craftbukkit.CraftWorld.getBlockAt(CraftWorld.java:69) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.craftbukkit.CraftWorld.getBlockAt(CraftWorld.java:475) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.Location.getBlock(Location.java:82) 2012-08-07 14:35:36 [SEVERE] at com.thezorro266.simpleregionmarket.TokenManager.updateSigns(TokenManager.java:73) 2012-08-07 14:35:36 [SEVERE] at com.thezorro266.simpleregionmarket.TokenManager.checkRegions(TokenManager.java:118) 2012-08-07 14:35:36 [SEVERE] at com.thezorro266.simpleregionmarket.SimpleRegionMarket.onEnable(SimpleRegionMarket.java:88) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:263) 2012-08-07 14:35:36 [SEVERE] at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:245) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.MinecraftServer.i(MinecraftServer.java:292) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:271) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:221) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:140) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:376) 2012-08-07 14:35:36 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:539) And i mean it's really spam, i think about 1000 times. I don't know what to do - Please help me.