log如下
2011-07-26 19:00:20 [INFO] Starting minecraft server version Beta 1.7.2
2011-07-26 19:00:20 [INFO] Loading properties
2011-07-26 19:00:20 [INFO] Starting Minecraft server on *:25565
2011-07-26 19:00:20 [WARNING] **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
2011-07-26 19:00:20 [WARNING] The server will make no attempt to authenticate usernames. Beware.
2011-07-26 19:00:20 [WARNING] While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
2011-07-26 19:00:20 [WARNING] To change this, set "online-mode" to "true" in the server.settings file.
2011-07-26 19:00:20 [INFO] This server is running Craftbukkit version git-Bukkit-0.0.0-904-g9277096-b953jnks (MC: 1.7.2)
2011-07-26 19:00:20 [INFO] Preparing level "L.A"
2011-07-26 19:00:20 [INFO] Preparing start region for level 0 (Seed: 78785454)
2011-07-26 19:00:20 [INFO] Chunk file at -13,-9 is in the wrong location; relocating. (Expected -13, -9, got -3, -11)
2011-07-26 19:00:20 [INFO] Chunk (-3, -11) stored at (-13, -9)
2011-07-26 19:00:20 [SEVERE] java.lang.Throwable
2011-07-26 19:00:20 [SEVERE] at org.bukkit.craftbukkit.util.LongHashtable.put(LongHashtable.java:19)
2011-07-26 19:00:20 [SEVERE] at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:75)
2011-07-26 19:00:20 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:255)
2011-07-26 19:00:20 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:148)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:335)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
2011-07-26 19:00:21 [INFO] Chunk (-3, -11) stored at (-13, -9)
2011-07-26 19:00:21 [SEVERE] java.lang.Throwable
2011-07-26 19:00:21 [SEVERE] at org.bukkit.craftbukkit.util.LongHashtable.get(LongHashtable.java:32)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProviderServer.java:116)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:102)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:255)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:148)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:335)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)

2011-07-26 19:00:21 [INFO] Chunk (-8, -3) stored at (-7, -3)
2011-07-26 19:00:21 [INFO] net.minecraft.server.Chunk
2011-07-26 19:00:21 [SEVERE] java.lang.Throwable
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProviderServer.java:124)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:106)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:255)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:148)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:335)
2011-07-26 19:00:21 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
2011-07-26 19:00:21 [INFO] Preparing spawn area: 81%
2011-07-26 19:00:21 [INFO] Preparing start region for level 1 (Seed: 7370674428566844154)
2011-07-26 19:00:22 [INFO] Loaded Essentials build 2.4.2 by Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans and Xeology
2011-07-26 19:00:22 [INFO] Loaded EssentialsChat build 2.4.2 by Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans and Xeology
2011-07-26 19:00:22 [INFO] GroupManager - INFO - Scheduled Data Saving is set for every 10 minutes!
2011-07-26 19:00:22 [INFO] GroupManager version 1.0(alpha-5) [Zombie-Version, please switch to Permissions 3] is enabled!
2011-07-26 19:00:22 [INFO] Loaded EssentialsProtect build 2.4.2 by Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans and Xeology
2011-07-26 19:00:22 [INFO] Loaded EssentialsSpawn build 2.4.2 by Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans and Xeology
2011-07-26 19:00:22 [INFO] Fake Permissions version 2.7.2 is enabled!
2011-07-26 19:00:22 [INFO] Done (0.220s)! For help, type "help" or "?"
2011-07-26 19:00:22 [INFO] Chunk (-8, -3) stored at (-7, -3)
2011-07-26 19:00:22 [SEVERE] java.lang.Throwable
2011-07-26 19:00:22 [SEVERE] at org.bukkit.craftbukkit.util.LongHashtable.get(LongHashtable.java:32)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProviderServer.java:116)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.getChunkAt(World.java:272)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.b(World.java:1984)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.getEntities(World.java:951)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.Entity.move(Entity.java:395)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityLiving.a(EntityLiving.java:582)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityLiving.v(EntityLiving.java:704)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityMonster.v(EntityMonster.java:26)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityLiving.m_(EntityLiving.java:218)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityMonster.m_(EntityMonster.java:30)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.EntityCreeper.m_(EntityCreeper.java:68)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.entityJoinedWorld(World.java:1190)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:48)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.playerJoinedWorld(World.java:1172)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.World.cleanUp(World.java:1102)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:447)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
2011-07-26 19:00:22 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)


求高人指点解决办法，和朋友玩了好几天了，现在能进游戏，可一会就被服务器断开了。。。。

服务端上就是一直在刷屏，不停的警告。。。。一会log就能十几M。求高人解答~~

换地图吧

过些时间再试试，应该可以

挖挖挖挖挖挖挖

挖坟

换个开服包