Hello guys,i have made a minecraft server on my raspberry pi 3.After finished the server,i started it for the first time and it gone good.After a few minutes,I disconneted my pc for the server and I log in with the same pc,but the server saw"[21:06:31 INFO]: UUID of player yoyo20016 is 161d7cdd-c18f-360d-9f42-e468191a3b31
[21:07:31 ERROR]: The server has stopped responding!
[21:07:31 ERROR]: Please report this to http://www.spigotmc.org/
[21:07:31 ERROR]: Be sure to include ALL relevant console errors and Minecraft crash reports
[21:07:31 ERROR]: Spigot version: git-Spigot-d20369f-7fc5cd8 (MC: 1.9)
[21:07:31 ERROR]: ------------------------------
[21:07:31 ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
[21:07:31 ERROR]: ------------------------------
[21:07:31 ERROR]: Current Thread: Server thread
[21:07:31 ERROR]: PID: 14 | Suspended: false | Native: false | State: RUNNABLE
[21:07:31 ERROR]: Stack:
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderGenerate.a(SourceFile:152)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderGenerate.getOrCreateChunk(SourceFile:203)
[21:07:31 ERROR]: org.bukkit.craftbukkit.v1_9_R1.generator.NormalChunkGenerator.getOrCreateChunk(NormalChunkGenerator.java:36)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderServer.originalGetChunkAt(ChunkProviderServer.java:163)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:139)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunk.<init>(PlayerChunk.java:40)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunkMap.c(PlayerChunkMap.java:220)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunkMap.addPlayer(PlayerChunkMap.java:275)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.a(PlayerList.java:290)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.onPlayerJoin(PlayerList.java:366)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.a(PlayerList.java:158)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.LoginListener.b(LoginListener.java:144)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.LoginListener.c(LoginListener.java:54)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.NetworkManager.a(NetworkManager.java:232)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.ServerConnection.c(ServerConnection.java:141)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:820)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)
[21:07:31 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)
[21:07:31 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:31 ERROR]: ------------------------------
[21:07:31 ERROR]: Entire Thread Dump:
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: process reaper
[21:07:32 ERROR]: PID: 31 | Suspended: false | Native: false | State: TIMED_WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.misc.Unsafe.park(Native Method)
[21:07:32 ERROR]: java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
[21:07:32 ERROR]: java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
[21:07:32 ERROR]: java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
[21:07:32 ERROR]: java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Chunk I/O Executor Thread-1
[21:07:32 ERROR]: PID: 30 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.misc.Unsafe.park(Native Method)
[21:07:32 ERROR]: java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
[21:07:32 ERROR]: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
[21:07:32 ERROR]: java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
[21:07:32 ERROR]: java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Netty Server IO #3
[21:07:32 ERROR]: PID: 26 | Suspended: false | Native: true | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
[21:07:32 ERROR]: sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[21:07:32 ERROR]: io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Netty Server IO #2
[21:07:32 ERROR]: PID: 25 | Suspended: false | Native: true | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
[21:07:32 ERROR]: sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[21:07:32 ERROR]: io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Netty Server IO #1
[21:07:32 ERROR]: PID: 24 | Suspended: false | Native: true | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
[21:07:32 ERROR]: sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[21:07:32 ERROR]: io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: File IO Thread
[21:07:32 ERROR]: PID: 28 | Suspended: false | Native: false | State: TIMED_WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Thread.sleep(Native Method)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.FileIOThread.c(SourceFile:51)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.FileIOThread.run(SourceFile:30)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Netty Server IO #0
[21:07:32 ERROR]: PID: 23 | Suspended: false | Native: true | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
[21:07:32 ERROR]: sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
[21:07:32 ERROR]: sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
[21:07:32 ERROR]: sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[21:07:32 ERROR]: io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[21:07:32 ERROR]: io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Spigot Metrics Thread
[21:07:32 ERROR]: PID: 21 | Suspended: false | Native: false | State: TIMED_WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Object.wait(Native Method)
[21:07:32 ERROR]: java.util.TimerThread.mainLoop(Timer.java:552)
[21:07:32 ERROR]: java.util.TimerThread.run(Timer.java:505)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Spigot Watchdog Thread
[21:07:32 ERROR]: PID: 20 | Suspended: false | Native: false | State: RUNNABLE
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.management.ThreadImpl.dumpThreads0(Native Method)
[21:07:32 ERROR]: sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:446)
[21:07:32 ERROR]: org.spigotmc.WatchdogThread.run(WatchdogThread.java:76)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Server console handler
[21:07:32 ERROR]: PID: 17 | Suspended: false | Native: true | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:java.io.BufferedInputStream.read(BufferedInputStream.java:265)
[21:07:32 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[21:07:32 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[21:07:32 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.io.FileInputStream.readBytes(Native Method)
[21:07:32 ERROR]: java.io.FileInputStream.read(FileInputStream.java:255)
[21:07:32 ERROR]: java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
[21:07:32 ERROR]: java.io.BufferedInputStream.read(BufferedInputStream.java:265)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:137)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2349)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.DedicatedServer$2.run(DedicatedServer.java:82)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Thread-5
[21:07:32 ERROR]: PID: 18 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: sun.misc.Unsafe.park(Native Method)
[21:07:32 ERROR]: java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
[21:07:32 ERROR]: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
[21:07:32 ERROR]: java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
[21:07:32 ERROR]: com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77)
[21:07:32 ERROR]: org.bukkit.craftbukkit.v1_9_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:25)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: DestroyJavaVM
[21:07:32 ERROR]: PID: 16 | Suspended: false | Native: false | State: RUNNABLE
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Server thread
[21:07:32 ERROR]: PID: 14 | Suspended: false | Native: false | State: RUNNABLE
[21:07:32 ERROR]: Thread is waiting on monitor(s):
[21:07:32 ERROR]: Locked on:net.minecraft.server.v1_9_R1.ServerConnection.c(ServerConnection.java:141)
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayer.a(SourceFile:175)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:39)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIcePlains.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerTopSoil.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.c(SourceFile:35)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.a(SourceFile:22)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.d(SourceFile:70)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.a(SourceFile:24)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.e(SourceFile:100)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSpecial.a(SourceFile:26)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerMushroomIsland.a(SourceFile:18)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerDeepOcean.a(SourceFile:18)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerBiome.a(SourceFile:45)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerDesert.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerRegionHills.a(SourceFile:20)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerPlains.a(SourceFile:14)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerIsland.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerMushroomShore.a(SourceFile:16)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoom.a(SourceFile:19)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerSmooth.a(SourceFile:15)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerRiverMix.a(SourceFile:25)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.GenLayerZoomVoronoi.a(SourceFile:22)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.WorldChunkManager.a(SourceFile:100)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.BiomeCache$a.<init>(SourceFile:26)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.BiomeCache.a(SourceFile:47)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.BiomeCache.b(SourceFile:79)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.WorldChunkManager.a(SourceFile:95)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.WorldChunkManager.getBiomeBlock(SourceFile:85)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderGenerate.getOrCreateChunk(SourceFile:204)
[21:07:32 ERROR]: org.bukkit.craftbukkit.v1_9_R1.generator.NormalChunkGenerator.getOrCreateChunk(NormalChunkGenerator.java:36)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderServer.originalGetChunkAt(ChunkProviderServer.java:163)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:139)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunk.<init>(PlayerChunk.java:40)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunkMap.c(PlayerChunkMap.java:220)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerChunkMap.addPlayer(PlayerChunkMap.java:275)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.a(PlayerList.java:290)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.onPlayerJoin(PlayerList.java:366)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.PlayerList.a(PlayerList.java:158)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.LoginListener.b(LoginListener.java:144)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.LoginListener.c(LoginListener.java:54)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.NetworkManager.a(NetworkManager.java:232)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.ServerConnection.c(ServerConnection.java:141)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:820)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Server Infinisleeper
[21:07:32 ERROR]: PID: 15 | Suspended: false | Native: false | State: TIMED_WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Thread.sleep(Native Method)
[21:07:32 ERROR]: net.minecraft.server.v1_9_R1.DedicatedServer$1.run(DedicatedServer.java:57)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: NonBlockingInputStreamThread
[21:07:32 ERROR]: PID: 12 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Object.wait(Native Method)
[21:07:32 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java:278)
[21:07:32 ERROR]: java.lang.Thread.run(Thread.java:745)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Snooper Timer
[21:07:32 ERROR]: PID: 10 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Object.wait(Native Method)
[21:07:32 ERROR]: java.lang.Object.wait(Object.java:502)
[21:07:32 ERROR]: java.util.TimerThread.mainLoop(Timer.java:526)
[21:07:32 ERROR]: java.util.TimerThread.run(Timer.java:505)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Signal Dispatcher
[21:07:32 ERROR]: PID: 4 | Suspended: false | Native: false | State: RUNNABLE
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Finalizer
[21:07:32 ERROR]: PID: 3 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Object.wait(Native Method)
[21:07:32 ERROR]: java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
[21:07:32 ERROR]: java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
[21:07:32 ERROR]: java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
[21:07:32 ERROR]: ------------------------------
[21:07:32 ERROR]: Current Thread: Reference Handler
[21:07:32 ERROR]: PID: 2 | Suspended: false | Native: false | State: WAITING
[21:07:32 ERROR]: Stack:
[21:07:32 ERROR]: java.lang.Object.wait(Native Method)
[21:07:32 ERROR]: java.lang.Object.wait(Object.java:502)
[21:07:32 ERROR]: java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
[21:07:32 ERROR]: ------------------------------
[21:07:32 INFO]: Startup script './start.sh' does not exist! Stopping server.
[21:07:32 INFO]: Stopping server
[21:07:32 INFO]: Saving players
What can i do for this problem?I restarted the server a lot of times but there is the same problem.