crash server de minecraft java

Cree un server de minecraft java usando hamachi con unos amigos y al entrar al mundo a los 5 minutos se cierra el server.jar que viene a ser el server
Alguien tiene alguna idea de porque es esto? les dejo el crash report abajo

---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 28/02/21 05:13 PM
Description: Watching Server

java.lang.Error: Watchdog
at java.lang.Object.getClass(Native Method)
at java.util.EnumMap.isValidKey(Unknown Source)
at java.util.EnumMap.get(Unknown Source)
at cgh.a(SourceFile:361)
at bsg.a(SourceFile:397)
at bsg.a(SourceFile:192)
at bsg.a(SourceFile:185)
at aae.a(SourceFile:388)
at aae$$Lambda$3578/1579980.accept(Unknown Source)
at java.util.ArrayList.forEach(Unknown Source)
at aae.p(SourceFile:368)
at aae.a(SourceFile:337)
at aag.a(SourceFile:353)
at net.minecraft.server.MinecraftServer.b(SourceFile:871)
at zg.b(SourceFile:312)
at net.minecraft.server.MinecraftServer.a(SourceFile:811)
at net.minecraft.server.MinecraftServer.w(SourceFile:670)
at net.minecraft.server.MinecraftServer.a(SourceFile:257)
at net.minecraft.server.MinecraftServer$$Lambda$3216/32536477.run(Unknown Source)
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.Object.getClass(Native Method)
at java.util.EnumMap.isValidKey(Unknown Source)
at java.util.EnumMap.get(Unknown Source)
at cgh.a(SourceFile:361)
at bsg.a(SourceFile:397)
at bsg.a(SourceFile:192)
at bsg.a(SourceFile:185)
at aae.a(SourceFile:388)
at aae$$Lambda$3578/1579980.accept(Unknown Source)
at java.util.ArrayList.forEach(Unknown Source)
at aae.p(SourceFile:368)
at aae.a(SourceFile:337)
at aag.a(SourceFile:353)
at net.minecraft.server.MinecraftServer.b(SourceFile:871)
at zg.b(SourceFile:312)
at net.minecraft.server.MinecraftServer.a(SourceFile:811)
at net.minecraft.server.MinecraftServer.w(SourceFile:670)
at net.minecraft.server.MinecraftServer.a(SourceFile:257)

-- Thread Dump --
Details:
Threads: "Worker-Main-19" Id=48 WAITING on java.util.concurrent.ForkJoinPool@d53638
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.ForkJoinPool@d53638
at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)

"Worker-Main-18" Id=47 TIMED_WAITING on java.util.concurrent.ForkJoinPool@d53638
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.ForkJoinPool@d53638
at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)

"Netty Server IO #1" Id=46 RUNNABLE
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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@12de12
- locked java.util.Collections$UnmodifiableSet@2d5d48
- locked sun.nio.ch.WindowsSelectorImpl@12fd429
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:756)
...

"Worker-Main-17" Id=45 WAITING on java.util.concurrent.ForkJoinPool@d53638
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.ForkJoinPool@d53638
at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)

"Server Watchdog" Id=40 RUNNABLE
at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
at zj.run(SourceFile:49)
at java.lang.Thread.run(Unknown Source)

"Netty Server IO #0" 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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@504942
- locked java.util.Collections$UnmodifiableSet@18e9d4
- locked sun.nio.ch.WindowsSelectorImpl@8d2a02
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:756)
...

"ObjectCleanerThread" Id=32 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@1002b66
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@1002b66
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Unknown Source)

"D3D Screen Updater" Id=31 TIMED_WAITING on java.lang.Object@1fe7bdd
at java.lang.Object.wait(Native Method)
- waiting on java.lang.Object@1fe7bdd
at sun.java2d.d3d.D3DScreenUpdateManager.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

"DestroyJavaVM" Id=29 RUNNABLE

"Server thread" Id=18 RUNNABLE
at java.lang.Object.getClass(Native Method)
at java.util.EnumMap.isValidKey(Unknown Source)
at java.util.EnumMap.get(Unknown Source)
at cgh.a(SourceFile:361)
at bsg.a(SourceFile:397)
at bsg.a(SourceFile:192)
at bsg.a(SourceFile:185)
at aae.a(SourceFile:388)
...

"Thread-3" Id=25 WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@a36b7f
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@a36b7f
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 zm.a(SourceFile:137)
at zm$$Lambda$3231/6315277.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

"TimerQueue" Id=26 TIMED_WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@14ed2df
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@14ed2df
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@1898213

"AWT-EventQueue-0" Id=24 WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1e462b8
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1e462b8
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
at java.awt.EventQueue.getNextEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
...

"AWT-Windows" Id=22 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)

"AWT-Shutdown" Id=21 WAITING on java.lang.Object@751b28
at java.lang.Object.wait(Native Method)
- waiting on java.lang.Object@751b28
at java.lang.Object.wait(Unknown Source)
at sun.awt.AWTAutoShutdown.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

"Java2D Disposer" Id=20 WAITING on java.lang.ref.ReferenceQueue$Lock@125876f
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@125876f
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)

"Snooper Timer" Id=19 WAITING on java.util.TaskQueue@9273fe
at java.lang.Object.wait(Native Method)
- waiting on java.util.TaskQueue@9273fe
at java.lang.Object.wait(Unknown Source)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

"Timer hack thread" Id=14 TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at x$6.run(SourceFile:636)

"Worker-Bootstrap-3" Id=13 RUNNABLE
at java.util.Objects.equals(Unknown Source)
at com.mojang.datafixers.optics.Optic$CompositionOptic.equals(Optic.java:56)
at java.util.Objects.equals(Unknown Source)
at com.mojang.datafixers.functions.PointFreeRule$LensComp.doRewrite(PointFreeRule.java:360)
at com.mojang.datafixers.functions.PointFreeRule$CompRewrite.rewrite(PointFreeRule.java:198)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:571)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
...

"Worker-Bootstrap-2" Id=12 RUNNABLE
at com.mojang.datafixers.functions.PointFreeRule$CompRewrite$$Lambda$1168/15047453.get$Lambda(Unknown Source)
at java.lang.invoke.LambdaForm$DMH/10499488.invokeStatic_L_L(LambdaForm$DMH)
at java.lang.invoke.LambdaForm$MH/13138224.linkToTargetMethod(LambdaForm$MH)
at com.mojang.datafixers.functions.PointFreeRule$CompRewrite.rewrite(PointFreeRule.java:180)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.Comp.one(Comp.java:43)
at com.mojang.datafixers.functions.PointFreeRule$One.rewrite(PointFreeRule.java:651)
...

"Worker-Bootstrap-1" Id=11 RUNNABLE
at com.mojang.datafixers.functions.PointFreeRule$LensComp.cap(PointFreeRule.java:371)
at com.mojang.datafixers.functions.PointFreeRule$LensComp.doRewrite(PointFreeRule.java:363)
at com.mojang.datafixers.functions.PointFreeRule$CompRewrite.rewrite(PointFreeRule.java:180)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:571)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.PointFreeRule$OrElse.rewrite(PointFreeRule.java:567)
at com.mojang.datafixers.functions.Comp.one(Comp.java:43)
...

"Attach Listener" Id=5 RUNNABLE

"Signal Dispatcher" Id=4 RUNNABLE

"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@2dc19f
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@2dc19f
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$Lock@d32b76 owned by "Worker-Bootstrap-2" Id=12
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.Reference$Lock@d32b76
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 zj.run(SourceFile:65)
at java.lang.Thread.run(Unknown Source)

-- Performance stats --
Details:
Random tick rate: 3
Level stats: ResourceKey[minecraft:dimension / minecraft:overworld]: players: 1, entities: 124 [minecraft:creeper:23,minecraft:skeleton:22,minecraft20,minecraft15,minecraft11], block_entities: 36 [minecraft:chest:21,minecraft:mob_spawner:15], block_ticks: 49717, fluid_ticks: 519, chunk_source: ServerChunkCache: 2025,
ResourceKey[minecraft:dimension / minecraft:the_nether]: players: 0, entities: 0 [], block_entities: 0 [], block_ticks: 0, fluid_ticks: 0, chunk_source: ServerChunkCache: 0,
ResourceKey[minecraft:dimension / minecraft:the_end]: players: 0, entities: 0 [], block_entities: 0 [], block_ticks: 0, fluid_ticks: 0, chunk_source: ServerChunkCache: 0

-- System Details --
Details:
Minecraft Version: 1.16.5
Minecraft Version ID: 1.16.5
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_241, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 7970776 bytes (7 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
CPUs: 4
JVM Flags: 0 total;
Player Count: 1 / 20; [aah['Thiiagod'/85, l='ServerLevel[world]', x=88.54, y=68.42, z=-181.30]]
Data Packs: vanilla
Is Modded: Unknown (can't tell)
Type: Dedicated Server (map_server.txt)