这是最常见的几个问题，该怎么解决。
[00:04:22 INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[00:04:22 WARN]: java.lang.ClassCastException: net.minecraftforge.cauldron.block.CraftCustomContainer cannot be cast to org.bukkit.block.Chest
[00:04:22 WARN]: at org.bukkit.block.DoubleChest.getWorld(DoubleChest.java:36)
[00:04:22 WARN]: at org.bukkit.block.DoubleChest.getLocation(DoubleChest.java:32)
[00:04:22 WARN]: at com.griefcraft.listeners.LWCPlayerListener.onInventoryClick(LWCPlayerListener.java:394)
[00:04:22 WARN]: at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
[00:04:22 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[00:04:22 WARN]: at java.lang.reflect.Method.invoke(Unknown Source)
[00:04:22 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334)
[00:04:22 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[00:04:22 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507)
[00:04:22 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492)
[00:04:22 WARN]: at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:2069)
[00:04:22 WARN]: at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:32)
[00:04:22 WARN]: at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:10)
[00:04:22 WARN]: at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:245)
[00:04:22 WARN]: at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:181)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1023)
[00:04:22 WARN]: at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
[00:04:22 WARN]: at java.lang.Thread.run(Unknown Source)
The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[00:04:22 INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[00:04:22 WARN]: java.lang.ClassCastException: net.minecraftforge.cauldron.block.CraftCustomContainer cannot be cast to org.bukkit.block.Chest
[00:04:22 WARN]: at org.bukkit.block.DoubleChest.getWorld(DoubleChest.java:36)
[00:04:22 WARN]: at org.bukkit.block.DoubleChest.getLocation(DoubleChest.java:32)
[00:04:22 WARN]: at com.griefcraft.listeners.LWCPlayerListener.onInventoryClick(LWCPlayerListener.java:394)
[00:04:22 WARN]: at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
[00:04:22 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[00:04:22 WARN]: at java.lang.reflect.Method.invoke(Unknown Source)
[00:04:22 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334)
[00:04:22 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[00:04:22 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507)
[00:04:22 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492)
[00:04:22 WARN]: at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:2069)
[00:04:22 WARN]: at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:32)
[00:04:22 WARN]: at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:10)
[00:04:22 WARN]: at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:245)
[00:04:22 WARN]: at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:181)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1023)
[00:04:22 WARN]: at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
[00:04:22 WARN]: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
[00:04:22 WARN]: at java.lang.Thread.run(Unknown Source)
The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
[22:05:54] [Server thread/INFO]: [LWC] Exception with getting the location of a DoubleChest has occurred NEAR the player: Xuewusui [284 65 -605]
[22:05:54] [Server thread/INFO]: [LWC] The exact location of the block is not possible to obtain. This is caused by a Minecraft or Bukkit exception normally.
[22:05:54] [Server thread/WARN]: java.lang.ClassCastException
升级到最新版试试，暂时无解
LWC和很多插件都冲突 可以试试升级版本或者无视报错
要是能正常运行 其实这个问题并无大碍 可以尝试重载LWC配置或者升级一下LWC插件
这个报错不要紧的，可以重新载入插件或者换个插件版本
建议删除lwc换为lock牌子锁