---- Minecraft Crash Report ----
// But it works on my machine.

Time: 2017/6/11 下午 12:11
Description: Watching Server

java.lang.Error
	at java.lang.System.identityHashCode(Native Method)
	at java.util.IdentityHashMap.hash(Unknown Source)
	at java.util.IdentityHashMap.get(Unknown Source)
	at fd.a(SourceFile:40)
	at axn.a(SourceFile:108)
	at ayc.a(SourceFile:233)
	at ayc.a(SourceFile:116)
	at ol.c(SourceFile:147)
	at ol.d(SourceFile:193)
	at om.d(SourceFile:205)
	at net.minecraft.server.MinecraftServer.D(SourceFile:624)
	at nx.D(SourceFile:343)
	at net.minecraft.server.MinecraftServer.C(SourceFile:560)
	at net.minecraft.server.MinecraftServer.run(SourceFile:464)
	at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server Watchdog
Stacktrace:
	at java.lang.System.identityHashCode(Native Method)
	at java.util.IdentityHashMap.hash(Unknown Source)
	at java.util.IdentityHashMap.get(Unknown Source)
	at fd.a(SourceFile:40)
	at axn.a(SourceFile:108)
	at ayc.a(SourceFile:233)
	at ayc.a(SourceFile:116)
	at ol.c(SourceFile:147)
	at ol.d(SourceFile:193)
	at om.d(SourceFile:205)
	at net.minecraft.server.MinecraftServer.D(SourceFile:624)
	at nx.D(SourceFile:343)
	at net.minecraft.server.MinecraftServer.C(SourceFile:560)

-- Thread Dump --
Details:
	Threads: "Netty Server IO #7" Id=48 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@195604f
	-  locked java.util.Collections$UnmodifiableSet@1528e4d
	-  locked sun.nio.ch.WindowsSelectorImpl@16d0b3f
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"Netty Server IO #6" Id=47 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@6f8476
	-  locked java.util.Collections$UnmodifiableSet@d002ac
	-  locked sun.nio.ch.WindowsSelectorImpl@169c89d
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"Netty Server IO #5" Id=44 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@3c10fc
	-  locked java.util.Collections$UnmodifiableSet@407b39
	-  locked sun.nio.ch.WindowsSelectorImpl@61c97f
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"Netty Server IO #4" Id=43 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@1ffcdce
	-  locked java.util.Collections$UnmodifiableSet@13899bd
	-  locked sun.nio.ch.WindowsSelectorImpl@ea3d0
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"Netty Server IO #3" Id=39 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@62bd9f
	-  locked java.util.Collections$UnmodifiableSet@1f69c20
	-  locked sun.nio.ch.WindowsSelectorImpl@401592
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"Netty Server IO #2" Id=35 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@10d2369
	-  locked java.util.Collections$UnmodifiableSet@f8e612
	-  locked sun.nio.ch.WindowsSelectorImpl@1306c71
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"threadDeathWatcher-2-1" Id=34 TIMED_WAITING
	at java.lang.Thread.sleep(Native Method)
	at io.netty.util.ThreadDeathWatcher$Watcher.run(ThreadDeathWatcher.java:152)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
	at java.lang.Thread.run(Unknown Source)


"Netty Server IO #1" Id=33 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@1f41f40
	-  locked java.util.Collections$UnmodifiableSet@1fe7d7c
	-  locked sun.nio.ch.WindowsSelectorImpl@ffdfa7
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"File IO Thread" Id=32 RUNNABLE
	at java.util.zip.Deflater.deflateBytes(Native Method)
	at java.util.zip.Deflater.deflate(Unknown Source)
	-  locked java.util.zip.ZStreamRef@fe6dad
	at java.util.zip.Deflater.deflate(Unknown Source)
	at java.util.zip.DeflaterOutputStream.deflate(Unknown Source)
	at java.util.zip.DeflaterOutputStream.write(Unknown Source)
	at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
	at java.io.BufferedOutputStream.write(Unknown Source)
	-  locked java.io.BufferedOutputStream@1a9732d
	at java.io.DataOutputStream.write(Unknown Source)
	-  locked java.io.DataOutputStream@1aaff39
	...


"Server Watchdog" Id=29 RUNNABLE
	at sun.management.ThreadImpl.dumpThreads0(Native Method)
	at sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
	at ny.run(SourceFile:43)
	at java.lang.Thread.run(Unknown Source)


"Query Listener #1" Id=28 RUNNABLE (in native)
	at java.net.DualStackPlainDatagramSocketImpl.socketReceiveOrPeekData(Native Method)
	at java.net.DualStackPlainDatagramSocketImpl.receive0(Unknown Source)
	-  locked java.net.DualStackPlainDatagramSocketImpl@17a1c4c
	at java.net.AbstractPlainDatagramSocketImpl.receive(Unknown Source)
	-  locked java.net.DualStackPlainDatagramSocketImpl@17a1c4c
	at java.net.DatagramSocket.receive(Unknown Source)
	-  locked java.net.DatagramPacket@64968b
	-  locked java.net.DatagramSocket@1a189ce
	at py.run(SourceFile:269)
	at java.lang.Thread.run(Unknown Source)


"Netty Server IO #0" Id=27 RUNNABLE (in native)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@38b071
	-  locked java.util.Collections$UnmodifiableSet@dd438
	-  locked sun.nio.ch.WindowsSelectorImpl@1a63c89
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732)
	...


"D3D Screen Updater" Id=26 WAITING on java.lang.Object@13c2838
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.Object@13c2838
	at sun.java2d.d3d.D3DScreenUpdateManager.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"DestroyJavaVM" Id=24 RUNNABLE


"Server thread" Id=22 RUNNABLE
	at java.lang.System.identityHashCode(Native Method)
	at java.util.IdentityHashMap.hash(Unknown Source)
	at java.util.IdentityHashMap.get(Unknown Source)
	at fd.a(SourceFile:40)
	at axn.a(SourceFile:108)
	at ayc.a(SourceFile:233)
	at ayc.a(SourceFile:116)
	at ol.c(SourceFile:147)
	...


"TimerQueue" Id=20 TIMED_WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@e60bb2
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@e60bb2
	at java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(Unknown Source)
	at java.util.concurrent.DelayQueue.take(Unknown Source)
	at javax.swing.TimerQueue.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

	Number of locked synchronizers = 1
	- java.util.concurrent.locks.ReentrantLock$NonfairSync@40a8d6


"Thread-3" Id=19 WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@c22753
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@c22753
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
	at java.util.concurrent.LinkedBlockingQueue.take(Unknown Source)
	at com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77)
	at oa$4.run(SourceFile:129)
	at java.lang.Thread.run(Unknown Source)


"AWT-EventQueue-0" Id=17 RUNNABLE
	at java.lang.Thread.currentThread(Native Method)
	at java.util.concurrent.locks.ReentrantLock$Sync.isHeldExclusively(Unknown Source)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.signal(Unknown Source)
	at java.util.concurrent.LinkedBlockingQueue.offer(Unknown Source)
	at java.util.AbstractQueue.add(Unknown Source)
	at com.mojang.util.QueueLogAppender.append(QueueLogAppender.java:39)
	at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
	at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
	...

	Number of locked synchronizers = 1
	- java.util.concurrent.locks.ReentrantLock$NonfairSync@19ab3dd


"AWT-Shutdown" Id=18 WAITING on java.lang.Object@1c18147
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.Object@1c18147
	at java.lang.Object.wait(Unknown Source)
	at sun.awt.AWTAutoShutdown.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"AWT-Windows" Id=15 RUNNABLE (in native)
	at sun.awt.windows.WToolkit.eventLoop(Native Method)
	at sun.awt.windows.WToolkit.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"Java2D Disposer" Id=13 WAITING on java.lang.ref.ReferenceQueue$Lock@9ec813
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.ReferenceQueue$Lock@9ec813
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at sun.java2d.Disposer.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"Server Infinisleeper" Id=12 TIMED_WAITING
	at java.lang.Thread.sleep(Native Method)
	at nx$1.run(SourceFile:81)


"Snooper Timer" Id=11 TIMED_WAITING on java.util.TaskQueue@1a8cf67
	at java.lang.Object.wait(Native Method)
	-  waiting on java.util.TaskQueue@1a8cf67
	at java.util.TimerThread.mainLoop(Unknown Source)
	at java.util.TimerThread.run(Unknown Source)


"Attach Listener" Id=5 RUNNABLE


"Signal Dispatcher" Id=4 RUNNABLE


"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@1ec8054
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.ReferenceQueue$Lock@1ec8054
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)


"Reference Handler" Id=2 WAITING on java.lang.ref.Reference$Lock@5eea17
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.Reference$Lock@5eea17
	at java.lang.Object.wait(Unknown Source)
	at java.lang.ref.Reference.tryHandlePending(Unknown Source)
	at java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)



Stacktrace:
	at ny.run(SourceFile:59)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.12
	Operating System: Windows 10 (x86) version 10.0
	Java Version: 1.8.0_111, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 68574896 bytes (65 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
	JVM Flags: 0 total; 
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)