Server Crash due to /f close

[14:18:58] [Server thread/INFO]: aoy issued server command: /f close test
[14:20:02] [Spigot Watchdog Thread/ERROR]: The server has stopped responding!
[14:20:02] [Spigot Watchdog Thread/ERROR]: Please report this to http://www.spigotmc.org/
[14:20:02] [Spigot Watchdog Thread/ERROR]: Be sure to include ALL relevant console errors and Minecraft crash reports
[14:20:02] [Spigot Watchdog Thread/ERROR]: Spigot version: git-Spigot-b605b31-f4822eb (MC: 1.11.2)
[14:20:02] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:02] [Spigot Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
[14:20:02] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:02] [Spigot Watchdog Thread/ERROR]: Current Thread: Server thread
[14:20:02] [Spigot Watchdog Thread/ERROR]:  PID: 16 | Suspended: false | Native: false | State: RUNNABLE
[14:20:02] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:02] [Spigot Watchdog Thread/ERROR]:      org.bukkit.event.HandlerList.unregister(HandlerList.java:161)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      org.bukkit.event.HandlerList.unregisterAll(HandlerList.java:82)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BGListener.unregister(BGListener.java:35)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BasicGame$$Lambda$136/1771963734.run(Unknown Source)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BasicGame.stopForcibly(BasicGame.java:480)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.reception.RealtimeTeamingReception.stop(RealtimeTeamingReception.java:274)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.reception.RealtimeTeamingReception.close(RealtimeTeamingReception.java:147)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.command.CloseCommand.execute(CloseCommand.java:64)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.command.BaseCommand.run(BaseCommand.java:96)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.FlagGame.onCommand(FlagGame.java:338)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:650)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1353)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1188)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.FutureTask.run(Unknown Source)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:747)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576)
[14:20:02] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:02] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:02] [Spigot Watchdog Thread/ERROR]: Entire Thread Dump:
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Netty Server IO #3
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 27 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.select(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Chunk I/O Executor Thread-1
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 45 | Suspended: false | Native: false | State: WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.misc.Unsafe.park(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.LockSupport.park(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.LinkedBlockingQueue.take(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Netty Server IO #2
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 26 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.select(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Netty Server IO #1
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 25 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.select(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: File IO Thread
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 39 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.sleep(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.FileIOThread.c(SourceFile:51)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.FileIOThread.run(SourceFile:30)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: cluster-58e32af310efa506306ec4e4
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 36 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.misc.Unsafe.park(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.CountDownLatch.await(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      com.mongodb.connection.BaseCluster$WaitQueueHandler.run(BaseCluster.java:472)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-13
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 35 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.getQueuedCompletionStatus(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.access$300(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp$EventHandlerTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-12
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 34 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.getQueuedCompletionStatus(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.access$300(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp$EventHandlerTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-11
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 33 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.getQueuedCompletionStatus(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.access$300(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp$EventHandlerTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-10
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 32 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.getQueuedCompletionStatus(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.access$300(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp$EventHandlerTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-9
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 31 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.getQueuedCompletionStatus(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp.access$300(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.Iocp$EventHandlerTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: cluster-ClusterId{value='58e32af310efa506306ec4e4', description='null'}-localhost:27017
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 30 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:153)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.misc.Unsafe.park(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.waitForSignalOrTimeout(DefaultServerMonitor.java:224)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.waitForNext(DefaultServerMonitor.java:205)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:153)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Timer-0
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 29 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.mainLoop(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Netty Server IO #0
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 24 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.nio.ch.SelectorImpl.select(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Spigot Metrics Thread
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 23 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.mainLoop(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Spigot Watchdog Thread
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 22 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.management.ThreadImpl.dumpThreads0(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.spigotmc.WatchdogThread.run(WatchdogThread.java:76)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Server console handler
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 19 | Suspended: false | Native: true | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.fusesource.jansi.internal.Kernel32.ReadConsoleInputW(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.fusesource.jansi.internal.Kernel32.readConsoleInputHelper(Kernel32.java:761)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.fusesource.jansi.internal.Kernel32.readConsoleKeyInput(Kernel32.java:794)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.fusesource.jansi.internal.WindowsSupport.readConsoleInput(WindowsSupport.java:97)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.WindowsTerminal.readConsoleInput(WindowsTerminal.java:215)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.WindowsTerminal.access$000(WindowsTerminal.java:55)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.WindowsTerminal$1.read(WindowsTerminal.java:157)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:137)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2349)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.DedicatedServer$2.run(DedicatedServer.java:84)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Thread-5
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 20 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:java.io.BufferedOutputStream.flush(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.FileOutputStream.writeBytes(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.FileOutputStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.BufferedOutputStream.flushBuffer(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.BufferedOutputStream.flush(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.fusesource.jansi.AnsiOutputStream.write(AnsiOutputStream.java:82)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.FilterOutputStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.PrintStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.io.FilterOutputStream.write(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.v1_11_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:36)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: DestroyJavaVM
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 18 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Server thread
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 16 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Thread is waiting on monitor(s):
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:org.bukkit.event.HandlerList.unregister(HandlerList.java:161)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      Locked on:org.bukkit.event.HandlerList.unregisterAll(HandlerList.java:82)
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.event.HandlerList.unregister(HandlerList.java:161)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.event.HandlerList.unregisterAll(HandlerList.java:82)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BGListener.unregister(BGListener.java:35)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BasicGame$$Lambda$136/1771963734.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.game.basic.BasicGame.stopForcibly(BasicGame.java:480)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.reception.RealtimeTeamingReception.stop(RealtimeTeamingReception.java:274)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      jp.llv.flaggame.reception.RealtimeTeamingReception.close(RealtimeTeamingReception.java:147)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.command.CloseCommand.execute(CloseCommand.java:64)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.command.BaseCommand.run(BaseCommand.java:96)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      syam.flaggame.FlagGame.onCommand(FlagGame.java:338)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:650)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1353)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1188)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.concurrent.FutureTask.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:747)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Server Infinisleeper
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 17 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.sleep(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      net.minecraft.server.v1_11_R1.DedicatedServer$1.run(DedicatedServer.java:59)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: NonBlockingInputStreamThread
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 14 | Suspended: false | Native: false | State: WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java:278)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Thread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Snooper Timer
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 12 | Suspended: false | Native: false | State: TIMED_WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.mainLoop(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.util.TimerThread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Attach Listener
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 5 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Signal Dispatcher
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 4 | Suspended: false | Native: false | State: RUNNABLE
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Finalizer
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 3 | Suspended: false | Native: false | State: WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.ref.ReferenceQueue.remove(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.ref.ReferenceQueue.remove(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/ERROR]: Current Thread: Reference Handler
[14:20:03] [Spigot Watchdog Thread/ERROR]:  PID: 2 | Suspended: false | Native: false | State: WAITING
[14:20:03] [Spigot Watchdog Thread/ERROR]:  Stack:
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Native Method)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.Object.wait(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.ref.Reference.tryHandlePending(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]:      java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)
[14:20:03] [Spigot Watchdog Thread/ERROR]: ------------------------------
[14:20:03] [Spigot Watchdog Thread/INFO]: Startup script './start.sh' does not exist! Stopping server.
[14:20:03] [Spigot Watchdog Thread/INFO]: Stopping server
SakuraServerDevTeam / FlagGame

Server Crash due to /f close #66
