2011-09-24 00:30:30 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/WorldGenStrongholdStairs2
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.WorldGenStronghold.b(SourceFile:69)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.StructureGenerator.a(SourceFile:31)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.MapGenBase.a(SourceFile:26)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.StructureGenerator.a(SourceFile:15)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.ChunkProviderGenerate.getOrCreateChunk(SourceFile:227)
2011-09-24 00:30:30 [SEVERE] 	at org.bukkit.craftbukkit.generator.NormalChunkGenerator.getOrCreateChunk(NormalChunkGenerator.java:37)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:72)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.PlayerInstance.<init>(PlayerInstance.java:31)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.PlayerManager.a(PlayerManager.java:45)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.PlayerManager.movePlayer(PlayerManager.java:141)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.ServerConfigurationManager.d(ServerConfigurationManager.java:146)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:374)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.Packet10Flying.a(SourceFile:126)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:92)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:464)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)
2011-09-24 00:30:30 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
2011-09-24 00:30:30 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.WorldGenStrongholdStairs2
2011-09-24 00:30:30 [SEVERE] 	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
2011-09-24 00:30:30 [SEVERE] 	at java.security.AccessController.doPrivileged(Native Method)
2011-09-24 00:30:30 [SEVERE] 	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
2011-09-24 00:30:30 [SEVERE] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
2011-09-24 00:30:30 [SEVERE] 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
2011-09-24 00:30:30 [SEVERE] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
2011-09-24 00:30:30 [SEVERE] 	... 19 more
2011-09-24 00:30:30 [SEVERE] Unexpected exception
java.lang.NoClassDefFoundError: net/minecraft/server/WorldGenStrongholdStairs2
	at net.minecraft.server.WorldGenStronghold.b(SourceFile:69)
	at net.minecraft.server.StructureGenerator.a(SourceFile:31)
	at net.minecraft.server.MapGenBase.a(SourceFile:26)
	at net.minecraft.server.StructureGenerator.a(SourceFile:15)
	at net.minecraft.server.ChunkProviderGenerate.getOrCreateChunk(SourceFile:227)
	at org.bukkit.craftbukkit.generator.NormalChunkGenerator.getOrCreateChunk(NormalChunkGenerator.java:37)
	at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:72)
	at net.minecraft.server.PlayerInstance.<init>(PlayerInstance.java:31)
	at net.minecraft.server.PlayerManager.a(PlayerManager.java:45)
	at net.minecraft.server.PlayerManager.movePlayer(PlayerManager.java:141)
	at net.minecraft.server.ServerConfigurationManager.d(ServerConfigurationManager.java:146)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:374)
	at net.minecraft.server.Packet10Flying.a(SourceFile:126)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:92)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:464)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.WorldGenStrongholdStairs2
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
	... 19 more
2011-09-24 00:31:55 [INFO] Connection reset
2011-09-24 00:31:57 [INFO] Read timed out
2011-09-24 00:32:01 [INFO] Read timed out
2011-09-24 00:32:11 [INFO] Connection reset
2011-09-24 00:32:41 [INFO] Connection reset
2011-09-24 00:33:03 [INFO] Read timed out