[10:37:38 WARN]: java.util.ConcurrentModificationException
[10:37:38 WARN]:         at java.util.TreeMap$PrivateEntryIterator.nextEntry(Unknown Source)
[10:37:38 WARN]:         at java.util.TreeMap$KeyIterator.next(Unknown Source)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_72920_a(WorldServer.java:837)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75820_a(AnvilChunkLoader.java:405)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:220)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:416)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:497)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1091)
[10:37:38 WARN]:         at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.save(CraftWorld.java:797)
[10:37:38 WARN]:         at com.mengcraft.protect.task.SaveWorld$SaveWorldTask.run(SaveWorld.java:65)
[10:37:38 WARN]:         at java.lang.Thread.run(Unknown Source)
[10:37:38 WARN]: java.util.ConcurrentModificationException
[10:37:38 WARN]:         at java.util.TreeMap$PrivateEntryIterator.nextEntry(Unknown Source)
[10:37:38 WARN]:         at java.util.TreeMap$KeyIterator.next(Unknown Source)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_72920_a(WorldServer.java:837)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75820_a(AnvilChunkLoader.java:405)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:220)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:416)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:497)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1091)
[10:37:38 WARN]:         at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.save(CraftWorld.java:797)
[10:37:38 WARN]:         at com.mengcraft.protect.task.SaveWorld$SaveWorldTask.run(SaveWorld.java:65)
[10:37:38 WARN]:         at java.lang.Thread.run(Unknown Source)
[10:37:38 WARN]: java.util.ConcurrentModificationException
[10:37:38 WARN]:         at java.util.TreeMap$PrivateEntryIterator.nextEntry(Unknown Source)
[10:37:38 WARN]:         at java.util.TreeMap$KeyIterator.next(Unknown Source)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_72920_a(WorldServer.java:837)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75820_a(AnvilChunkLoader.java:405)
[10:37:38 WARN]:         at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:220)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:416)
[10:37:38 WARN]:         at net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:497)
[10:37:38 WARN]:         at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1091)
[10:37:38 WARN]:         at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.save(CraftWorld.java:797)
[10:37:38 WARN]:         at com.mengcraft.protect.task.SaveWorld$SaveWorldTask.run(SaveWorld.java:65)
[10:37:38 WARN]:         at java.lang.Thread.run(Unknown Source)

有没有大神知道的

没人吗。。

删除ProtectPlugin

那个插件有什么效果

谢谢，我明天尝试一下，然后给你最佳