[18:43:30] [Server thread/INFO]: raucous issued server command: //undo
[18:43:30] [Craft Scheduler Thread - 81/WARN]: java.lang.ClassCastException: java.util.concurrent.ConcurrentHashMap cannot be cast to net.minecraft.server.v1_8_R3.LongHashMap
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.bukkit.v1_8.BukkitQueue18R3.sendChunk(BukkitQueue18R3.java:484)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.bukkit.v1_8.BukkitQueue18R3.sendChunk(BukkitQueue18R3.java:462)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.example.NMSRelighter$1.run(NMSRelighter.java:325)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.object.RunnableVal.run(RunnableVal.java:18)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.example.NMSRelighter.sendChunks(NMSRelighter.java:331)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.example.NMSRelighter.fixLightingSafe(NMSRelighter.java:297)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at com.boydti.fawe.example.NMSMappedFaweQueue$1.run(NMSMappedFaweQueue.java:47)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at org.github.paperspigot.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[18:43:30] [Craft Scheduler Thread - 81/WARN]: 	at java.lang.Thread.run(Unknown Source)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: java.lang.ClassCastException: java.util.concurrent.ConcurrentHashMap cannot be cast to net.minecraft.server.v1_8_R3.LongHashMap
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.bukkit.v1_8.BukkitQueue18R3.sendChunk(BukkitQueue18R3.java:484)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.bukkit.v1_8.BukkitQueue18R3.sendChunk(BukkitQueue18R3.java:462)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.example.NMSRelighter$1.run(NMSRelighter.java:325)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.object.RunnableVal.run(RunnableVal.java:18)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.example.NMSRelighter.sendChunks(NMSRelighter.java:331)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.example.NMSRelighter.fixLightingSafe(NMSRelighter.java:297)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at com.boydti.fawe.example.NMSMappedFaweQueue$1.run(NMSMappedFaweQueue.java:47)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at org.github.paperspigot.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[18:43:30] [Craft Scheduler Thread - 72/WARN]: 	at java.lang.Thread.run(Unknown Source)