Bukkit

Hei there!
Im from Germany so first sry for my bad english... :)

We played 6 days with that nice plugin, on our minecraft server (1.3.2) everytime at 20.00h HungerGames, but at 17:40 today we finished the game and the server shut down.

We got this Error:
Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:427)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:429)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:427)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:429)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:425)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:430)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:425)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:428)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:430)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event ITEM_SPAWN:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onItemSpawn(Listener:0)
    at sun.reflect.GeneratedMethodAccessor146.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at org.bukkit.craftbukkit.event.CraftEventFactory.callItemSpawnEvent(CraftEventFactory.java:252)
    at net.minecraft.server.World.addEntity(World.java:853)
    at net.minecraft.server.World.addEntity(World.java:823)
    at net.minecraft.server.Block.a(Block.java:384)
    at net.minecraft.server.Block.dropNaturally(Block.java:368)
    at net.minecraft.server.Block.c(Block.java:355)
    at net.minecraft.server.BlockFlower.c(SourceFile:46)
    at net.minecraft.server.BlockFlower.doPhysics(SourceFile:36)
    at net.minecraft.server.World.m(World.java:450)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at net.minecraft.server.BlockFlower.c(SourceFile:47)
    at net.minecraft.server.BlockFlower.doPhysics(SourceFile:36)
    at net.minecraft.server.World.m(World.java:450)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:429)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at net.minecraft.server.BlockFlower.c(SourceFile:47)
    at net.minecraft.server.BlockFlower.doPhysics(SourceFile:36)
    at net.minecraft.server.World.m(World.java:450)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:430)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at net.minecraft.server.BlockFlower.c(SourceFile:47)
    at net.minecraft.server.BlockFlower.doPhysics(SourceFile:36)
    at net.minecraft.server.World.m(World.java:450)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:426)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at net.minecraft.server.BlockFlower.c(SourceFile:47)
    at net.minecraft.server.BlockFlower.doPhysics(SourceFile:36)
    at net.minecraft.server.World.m(World.java:450)
    at net.minecraft.server.World.applyPhysics(World.java:430)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setTypeId(World.java:355)
    at org.bukkit.craftbukkit.block.CraftBlock.setTypeId(CraftBlock.java:92)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:95)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event BLOCK_PHYSICS:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onBlockPhysics(Listener:0)
    at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.World.m(World.java:442)
    at net.minecraft.server.World.applyPhysics(World.java:428)
    at net.minecraft.server.World.update(World.java:383)
    at net.minecraft.server.World.setData(World.java:324)
    at org.bukkit.craftbukkit.block.CraftBlock.setData(CraftBlock.java:72)
    at me.tomjw64.HungerBarGames.Game.rollback(Game.java:96)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:86)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [INFO] Arena mprev2 rolled back!
2012-09-13 05:35:24 [WARNING] Could not properly handle event PLAYER_TELEPORT:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onPlayerTeleport(Listener:0)
    at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:355)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeSpectator(PlayerHandler.java:161)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:176)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event CHUNK_LOAD:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onChunkLoad(Listener:0)
    at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:112)
    at net.timedminecraft.server.TimedChunkProviderServer.getChunkAt(TimedChunkProviderServer.java:183)
    at net.minecraft.server.ServerConfigurationManagerAbstract.moveToWorld(ServerConfigurationManagerAbstract.java:374)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:378)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeSpectator(PlayerHandler.java:161)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:176)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event PLAYER_CHANGED_WORLD:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onPlayerChangedWorld(Listener:0)
    at sun.reflect.GeneratedMethodAccessor403.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.ServerConfigurationManagerAbstract.moveToWorld(ServerConfigurationManagerAbstract.java:411)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:378)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeSpectator(PlayerHandler.java:161)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:176)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [SEVERE]
2012-09-13 05:35:24 [SEVERE]
2012-09-13 05:35:24 [SEVERE] Your server has encountered an unexpected exception!
2012-09-13 05:35:24 [SEVERE] Please report this to the developers at http://spout.in/cbpp
2012-09-13 05:35:24 [SEVERE]
2012-09-13 05:35:24 [SEVERE] Exception Stack Trace Begins:
2012-09-13 05:35:24 [SEVERE]   ConcurrentModificationException
2012-09-13 05:35:24 [SEVERE]    java.util.ArrayList$Itr.checkForComodification(Unknown Source)
2012-09-13 05:35:24 [SEVERE]    java.util.ArrayList$Itr.next(Unknown Source)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.EntityTrackerEntry.scanPlayers(EntityTrackerEntry.java:320)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.EntityTracker.addEntity(EntityTracker.java:97)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.EntityTracker.track(EntityTracker.java:63)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.WorldManager.a(WorldManager.java:18)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.World.a(World.java:927)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.WorldServer.a(WorldServer.java:702)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.World.addEntity(World.java:916)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.SpawnerCreature.spawnEntities(SpawnerCreature.java:155)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.WorldServer.doTick(WorldServer.java:155)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.MinecraftServer.q(MinecraftServer.java:585)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.DedicatedServer.q(DedicatedServer.java:245)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.MinecraftServer.p(MinecraftServer.java:501)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.MinecraftServer.run(MinecraftServer.java:419)
2012-09-13 05:35:24 [SEVERE]    net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
2012-09-13 05:35:24 [SEVERE] Exception Stack Trace Ends.
2012-09-13 05:35:24 [SEVERE]
2012-09-13 05:35:24 [SEVERE]
2012-09-13 05:35:24 [WARNING] Could not properly handle event PLAYER_TELEPORT:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onPlayerTeleport(Listener:0)
    at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:355)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeTribute(PlayerHandler.java:120)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:181)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event CHUNK_LOAD:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onChunkLoad(Listener:0)
    at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:112)
    at net.timedminecraft.server.TimedChunkProviderServer.getChunkAt(TimedChunkProviderServer.java:183)
    at net.minecraft.server.ServerConfigurationManagerAbstract.moveToWorld(ServerConfigurationManagerAbstract.java:374)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:378)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeTribute(PlayerHandler.java:120)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:181)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)
2012-09-13 05:35:24 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-13 05:35:24 [INFO] Please contact one of the authors of plugin 'HungerBarGames': tomjw64, HaydenCappadona
2012-09-13 05:35:24 [WARNING] Could not properly handle event PLAYER_CHANGED_WORLD:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: me.tomjw64.HungerBarGames.Threads.EndGame
    at org.bukkit.event.Listener.onPlayerChangedWorld(Listener:0)
    at sun.reflect.GeneratedMethodAccessor403.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:333)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
    at net.minecraft.server.ServerConfigurationManagerAbstract.moveToWorld(ServerConfigurationManagerAbstract.java:411)
    at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:378)
    at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerInfo.restore(PlayerInfo.java:38)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeTribute(PlayerHandler.java:120)
    at me.tomjw64.HungerBarGames.Util.Games.PlayerHandler.removeAll(PlayerHandler.java:181)
    at me.tomjw64.HungerBarGames.Game.reset(Game.java:87)
    at me.tomjw64.HungerBarGames.Threads.EndGame.run(EndGame.java:28)

Can you help us?
That will be great!

Greetz.