Memory dump :: Craftbukkit

@Java stack information for the threads listed above: ===================================================
"Thread-56289":
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000050979b0d0> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
at org.bukkit.craftbukkit.scheduler.CraftScheduler.cancelTask(CraftScheduler.java:256)
at com.cypherx.xauth.xAuth.removeGuest(xAuth.java:279)
at com.cypherx.xauth.listeners.xAuthPlayerListener.onPlayerQuit(xAuthPlayerListener.java:100)
at org.bukkit.plugin.java.JavaPluginLoader$2.execute(JavaPluginLoader.java:267)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:339)
- locked <0x00000005063a1440> (a org.bukkit.plugin.SimplePluginManager)
at net.minecraft.server.ServerConfigurationManager.disconnect(ServerConfigurationManager.java:159)
at net.minecraft.server.NetServerHandler.disconnect(NetServerHandler.java:127)
at org.getspout.spout.SpoutNetServerHandler.disconnect(SpoutNetServerHandler.java:507)
at org.bukkit.craftbukkit.entity.CraftPlayer.kickPlayer(CraftPlayer.java:196)
at com.cypherx.xauth.xAuth$1.run(xAuth.java:263)
at org.bukkit.craftbukkit.scheduler.CraftWorker.run(CraftWorker.java:34)
at java.lang.Thread.run(Unknown Source)
"Server thread":
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:334)
- waiting to lock <0x00000005063a1440> (a org.bukkit.plugin.SimplePluginManager)
at org.getspout.spout.player.SpoutCraftPlayer.hasPermission(SpoutCraftPlayer.java:193)
at nickguletskii200.SpyerAdmin.SpyerSettings.canUse(Unknown Source)
at nickguletskii200.SpyerAdmin.SpyerSettings.isSeeAll(Unknown Source)
at nickguletskii200.SpyerAdmin.SpyerAdminPlayerListener.continueSend(Unknown Source)
at nickguletskii200.SpyerAdmin.Packets.PacketHand.checkPacket(Unknown Source)
at org.getspout.spout.packet.listener.PacketListeners.canSend(PacketListeners.java:70)
at org.getspout.spout.SpoutNetServerHandler.syncedSendPacket(SpoutNetServerHandler.java:526)
at org.getspout.spout.SpoutNetServerHandler.syncFlushPacketQueue(SpoutNetServerHandler.java:518)
at org.getspout.spout.SpoutNetServerHandler.syncFlushPacketQueue(SpoutNetServerHandler.java:511)
at org.getspout.spout.player.SpoutCraftPlayer.onTick(SpoutCraftPlayer.java:930)
at org.getspout.spout.ServerTickTask.run(ServerTickTask.java:40)
at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:137)
at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:441)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)

Found 1 deadlock.@