Ever since I created a minecraft server approximately 2 weks ago, following this tutorial: it has been very lagy from time to time. Once it gets "overloaded" we get the following error "Connection Lost: Internal Exception: java.lang.StackOverflowError". When I boot the server back up it works fine but after a few minutes it will start to lag, and eventuelly the server crashes again. I have done more or less the same way a few years back, when creating a server, and it has been working without any problem.
Specs:
Windows 10 (64 bit)
Java 8
16 GB RAM
Intel i5 9400F 2.90 GHz
Nvidia GeForce GTX 1650
I have checked my internet connection at its stable
This is the error message I get in the crash report:
Hi. I'm Minecraft, and I'm a crashaholic.
Time: 6/1/20 5:18 PMDescription: Watching Server
java.lang.Error
at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371)
at java.util.Objects.equals(Unknown Source)
at cwc.a(SourceFile:397) at cwc.c(SourceFile:179)
at bjk$1.tryAdvance(SourceFile:140)
at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226)
at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
at java.util.stream.ReferencePipeline.allMatch(Unknown Source)
at bjk.a(SourceFile:61)
at bjk.a(SourceFile:49)
at bkg.a(SourceFile:135)
at xb.a(SourceFile:406)
at xb$$Lambda$2452/10867116.accept(Unknown Source)
at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
at xb.o(SourceFile:371) at xb.a(SourceFile:340)
at xd.a(SourceFile:324) at net.minecraft.server.MinecraftServer.b(SourceFile:854)
at wd.b(SourceFile:347) at net.minecraft.server.MinecraftServer.a(SourceFile:793)
at net.minecraft.server.MinecraftServer.run(SourceFile:655) at java.lang.Thread.run(Unknown Source)
A detailed walkthrough of the error, its code path and all known details is as follows:
Head
Thread: Server Watchdog
Stacktrace:
at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371)
at java.util.Objects.equals(Unknown Source)
at cwc.a(SourceFile:397) at cwc.c(SourceFile:179)
at bjk$1.tryAdvance(SourceFile:140)
at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226)
at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
at java.util.stream.ReferencePipeline.allMatch(Unknown Source)
at bjk.a(SourceFile:61) at bjk.a(SourceFile:49) at bkg.a(SourceFile:135)
at xb.a(SourceFile:406) at xb$$Lambda$2452/10867116.accept(Unknown Source)
at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
at xb.o(SourceFile:371) at xb.a(SourceFile:340) at xd.a(SourceFile:324)
at net.minecraft.server.MinecraftServer.b(SourceFile:854) at wd.b(SourceFile:347)
at net.minecraft.server.MinecraftServer.a(SourceFile:793)
-- Thread Dump --
Details:
Threads: "Netty Server IO #3" Id=48 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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756) ...
"ObjectCleanerThread" Id=31 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@1a63d38 at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@1a63d38 at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Unknown Source)
"D3D Screen Updater" Id=30 RUNNABLE (in native) at sun.java2d.d3d.D3DRenderQueue.flushBuffer(Native Method) at sun.java2d.d3d.D3DRenderQueue.flushBuffer(Unknown Source) at sun.java2d.d3d.D3DRenderQueue.flushNow(Unknown Source) at sun.java2d.d3d.D3DSurfaceData.swapBuffers(Unknown Source) at sun.java2d.d3d.D3DScreenUpdateManager.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
Number of locked synchronizers = 1 - java.util.concurrent.locks.ReentrantLock$NonfairSync@1ec85fa
"DestroyJavaVM" Id=28 RUNNABLE
"Server thread" Id=17 RUNNABLE at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371) at java.util.Objects.equals(Unknown Source) at cwc.a(SourceFile:397) at cwc.c(SourceFile:179) at bjk$1.tryAdvance(SourceFile:140) at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226) ...
"Thread-3" Id=24 RUNNABLE at java.lang.Thread.currentThread(Native Method) at java.util.concurrent.locks.ReentrantLock$Sync.nonfairTryAcquire(Unknown Source) at java.util.concurrent.locks.ReentrantLock$NonfairSync.tryAcquire(Unknown Source) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source) at java.util.concurrent.LinkedBlockingQueue.take(Unknown Source) at com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77) at wj.a(SourceFile:137) ...
"TimerQueue" Id=25 TIMED_WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1559d2f at sun.misc.Unsafe.park(Native Method) - waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1559d2f 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@1165baf
"AWT-EventQueue-0" Id=23 WAITING on java.lang.Object@1802c40 at java.lang.Object.wait(Native Method) - waiting on java.lang.Object@1802c40 at java.lang.Object.wait(Unknown Source) at sun.java2d.d3d.D3DScreenUpdateManager.runUpdateNow(Unknown Source) at sun.java2d.d3d.D3DBlitLoops.IsoBlit(Unknown Source) at sun.java2d.d3d.D3DRTTSurfaceToSurfaceBlit.Blit(Unknown Source) at sun.java2d.pipe.DrawImage.blitSurfaceData(Unknown Source) at sun.java2d.pipe.DrawImage.renderImageCopy(Unknown Source) at sun.java2d.pipe.DrawImage.copyImage(Unknown Source) ...
"AWT-Windows" Id=21 RUNNABLE 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=20 WAITING on java.lang.Object@c6aa1f at java.lang.Object.wait(Native Method) - waiting on java.lang.Object@c6aa1f at java.lang.Object.wait(Unknown Source) at sun.awt.AWTAutoShutdown.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
"Java2D Disposer" Id=19 WAITING on java.lang.ref.ReferenceQueue$Lock@1a242cb at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@1a242cb 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=18 TIMED_WAITING at java.lang.Thread.sleep(Native Method) at wd$1.run(SourceFile:94)
"Snooper Timer" Id=16 WAITING on java.util.TaskQueue@af0eb5 at java.lang.Object.wait(Native Method) - waiting on java.util.TaskQueue@af0eb5 at java.lang.Object.wait(Unknown Source) at java.util.TimerThread.mainLoop(Unknown Source) at java.util.TimerThread.run(Unknown Source)
"Server-Worker-4" Id=14 RUNNABLE at coc.b(SourceFile:39) at cnv.b(SourceFile:175) at coc.a(SourceFile:139) at cnv.b(SourceFile:216) at cnx.a(SourceFile:193) at coa.a(SourceFile:61) at xg.b(SourceFile:176) at xg.a(SourceFile:108) ...
"Server-Worker-2" Id=12 WAITING on java.util.concurrent.ForkJoinPool@1916396 at sun.misc.Unsafe.park(Native Method) - waiting on java.util.concurrent.ForkJoinPool@1916396 at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source) at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
"Attach Listener" Id=5 RUNNABLE
"Signal Dispatcher" Id=4 RUNNABLE
"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@cbc34c at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@cbc34c at java.lang.ref.ReferenceQueue.remove(Unknown Source) at java.lang.ref.ReferenceQueue.remove(Unknown Source) at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
"Reference Handler" Id=2 WAITING on java.lang.ref.Reference$Lock@16a1458 at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.Reference$Lock@16a1458 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 wg.run(SourceFile:61) at java.lang.Thread.run(Unknown Source)
-- System Details --Details: Minecraft Version: 1.15.2 Minecraft Version ID: 1.15.2 Operating System: Windows 10 (x86) version 10.0 Java Version: 1.8.0_251, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation Memory: 5387208 bytes (5 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB) CPUs: 6 JVM Flags: 0 total; Player Count: 2 / 20; [xe['Akkurat12'/256, l='world', x=-712.99, y=64.68, z=132.24], xe['KaptenKorea'/340, l='world', x=-723.06, y=64.02, z=121.16]] Data Packs: vanilla Is Modded: Unknown (can't tell) Type: Dedicated Server (map_server.txt)
Hi,
Ever since I created a minecraft server approximately 2 weks ago, following this tutorial: it has been very lagy from time to time. Once it gets "overloaded" we get the following error "Connection Lost: Internal Exception: java.lang.StackOverflowError". When I boot the server back up it works fine but after a few minutes it will start to lag, and eventuelly the server crashes again. I have done more or less the same way a few years back, when creating a server, and it has been working without any problem.
Specs:
Windows 10 (64 bit)
Java 8
16 GB RAM
Intel i5 9400F 2.90 GHz
Nvidia GeForce GTX 1650
I have checked my internet connection at its stable
This is the error message I get in the crash report:
---- Minecraft Crash Report -------- Minecraft Crash Report ----//
Hi. I'm Minecraft, and I'm a crashaholic.
Time: 6/1/20 5:18 PMDescription: Watching Server
java.lang.Error
at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371)
at java.util.Objects.equals(Unknown Source)
at cwc.a(SourceFile:397) at cwc.c(SourceFile:179)
at bjk$1.tryAdvance(SourceFile:140)
at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226)
at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
at java.util.stream.ReferencePipeline.allMatch(Unknown Source)
at bjk.a(SourceFile:61)
at bjk.a(SourceFile:49)
at bkg.a(SourceFile:135)
at xb.a(SourceFile:406)
at xb$$Lambda$2452/10867116.accept(Unknown Source)
at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
at xb.o(SourceFile:371) at xb.a(SourceFile:340)
at xd.a(SourceFile:324) at net.minecraft.server.MinecraftServer.b(SourceFile:854)
at wd.b(SourceFile:347) at net.minecraft.server.MinecraftServer.a(SourceFile:793)
at net.minecraft.server.MinecraftServer.run(SourceFile:655) at java.lang.Thread.run(Unknown Source)
A detailed walkthrough of the error, its code path and all known details is as follows:
Head
Thread: Server Watchdog
Stacktrace:
at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486)
at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371)
at java.util.Objects.equals(Unknown Source)
at cwc.a(SourceFile:397) at cwc.c(SourceFile:179)
at bjk$1.tryAdvance(SourceFile:140)
at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226)
at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source)
at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source)
at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
at java.util.stream.ReferencePipeline.allMatch(Unknown Source)
at bjk.a(SourceFile:61) at bjk.a(SourceFile:49) at bkg.a(SourceFile:135)
at xb.a(SourceFile:406) at xb$$Lambda$2452/10867116.accept(Unknown Source)
at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
at xb.o(SourceFile:371) at xb.a(SourceFile:340) at xd.a(SourceFile:324)
at net.minecraft.server.MinecraftServer.b(SourceFile:854) at wd.b(SourceFile:347)
at net.minecraft.server.MinecraftServer.a(SourceFile:793)
-- Thread Dump --
Details:
Threads: "Netty Server IO #3" Id=48 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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@339316
- locked java.util.Collections$UnmodifiableSet@f47920
- locked sun.nio.ch.WindowsSelectorImpl@cbf866 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) ...
"Netty Server IO #2" 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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@1c9731b
- locked java.util.Collections$UnmodifiableSet@15cf697
- locked sun.nio.ch.WindowsSelectorImpl@eeb8a5
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) ...
"Server-Worker-7" Id=45 WAITING on java.util.concurrent.ForkJoinPool@1916396
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.ForkJoinPool@1916396
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-Worker-8" Id=46 WAITING on java.util.concurrent.ForkJoinPool@1916396
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.ForkJoinPool@1916396
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-Worker-6" Id=44 WAITING on java.util.concurrent.ForkJoinPool@1916396
at sun.misc.Unsafe.park(Native Method) - waiting on java.util.concurrent.ForkJoinPool@1916396
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=40 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$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@1e68c54
- locked java.util.Collections$UnmodifiableSet@1ba3b31
- locked sun.nio.ch.WindowsSelectorImpl@388733 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) ...
"Server Watchdog" Id=39 RUNNABLE at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
at wg.run(SourceFile:45) at java.lang.Thread.run(Unknown Source)
"poi IO worker" Id=38 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at caz.c(SourceFile:124) at caz.d(SourceFile:134)
at caz$$Lambda$2161/18813107.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
"chunk IO worker" Id=37 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at caz.c(SourceFile:124) at caz.d(SourceFile:134)
at caz$$Lambda$2161/18813107.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"poi IO worker" Id=36 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71 at java.util.concurrent.locks.LockSupport.park(Unknown Source) at caz.c(SourceFile:124)
at caz.d(SourceFile:134) at caz$$Lambda$2161/18813107.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"chunk IO worker" Id=35 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at caz.c(SourceFile:124) at caz.d(SourceFile:134) at caz$$Lambda$2161/18813107.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"poi IO worker" Id=34 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at caz.c(SourceFile:124) at caz.d(SourceFile:134) at caz$$Lambda$2161/18813107.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"chunk IO worker" Id=33 WAITING on java.lang.String@95cb71
at sun.misc.Unsafe.park(Native Method)
- waiting on java.lang.String@95cb71 at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at caz.c(SourceFile:124) at caz.d(SourceFile:134) at caz$$Lambda$2161/18813107.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"Netty Server IO #0" Id=32 RUNNABLE (in native)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
- locked io.netty.channel.nio.SelectedSelectionKeySet@1a8751b
- locked java.util.Collections$UnmodifiableSet@123a4ac
- locked sun.nio.ch.WindowsSelectorImpl@176a6a4
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=31 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@1a63d38 at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@1a63d38 at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Unknown Source)
"D3D Screen Updater" Id=30 RUNNABLE (in native) at sun.java2d.d3d.D3DRenderQueue.flushBuffer(Native Method) at sun.java2d.d3d.D3DRenderQueue.flushBuffer(Unknown Source) at sun.java2d.d3d.D3DRenderQueue.flushNow(Unknown Source) at sun.java2d.d3d.D3DSurfaceData.swapBuffers(Unknown Source) at sun.java2d.d3d.D3DScreenUpdateManager.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
Number of locked synchronizers = 1 - java.util.concurrent.locks.ReentrantLock$NonfairSync@1ec85fa
"DestroyJavaVM" Id=28 RUNNABLE
"Server thread" Id=17 RUNNABLE at it.unimi.dsi.fastutil.doubles.DoubleArrayList.listIterator(DoubleArrayList.java:486) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.listIterator(AbstractDoubleList.java:147) at it.unimi.dsi.fastutil.doubles.AbstractDoubleList.equals(AbstractDoubleList.java:371) at java.util.Objects.equals(Unknown Source) at cwc.a(SourceFile:397) at cwc.c(SourceFile:179) at bjk$1.tryAdvance(SourceFile:140) at com.google.common.collect.CollectSpliterators$1FlatMapSpliterator.tryAdvance(CollectSpliterators.java:226) ...
"Thread-3" Id=24 RUNNABLE at java.lang.Thread.currentThread(Native Method) at java.util.concurrent.locks.ReentrantLock$Sync.nonfairTryAcquire(Unknown Source) at java.util.concurrent.locks.ReentrantLock$NonfairSync.tryAcquire(Unknown Source) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source) at java.util.concurrent.LinkedBlockingQueue.take(Unknown Source) at com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77) at wj.a(SourceFile:137) ...
"TimerQueue" Id=25 TIMED_WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1559d2f at sun.misc.Unsafe.park(Native Method) - waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@1559d2f 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@1165baf
"AWT-EventQueue-0" Id=23 WAITING on java.lang.Object@1802c40 at java.lang.Object.wait(Native Method) - waiting on java.lang.Object@1802c40 at java.lang.Object.wait(Unknown Source) at sun.java2d.d3d.D3DScreenUpdateManager.runUpdateNow(Unknown Source) at sun.java2d.d3d.D3DBlitLoops.IsoBlit(Unknown Source) at sun.java2d.d3d.D3DRTTSurfaceToSurfaceBlit.Blit(Unknown Source) at sun.java2d.pipe.DrawImage.blitSurfaceData(Unknown Source) at sun.java2d.pipe.DrawImage.renderImageCopy(Unknown Source) at sun.java2d.pipe.DrawImage.copyImage(Unknown Source) ...
"AWT-Windows" Id=21 RUNNABLE 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=20 WAITING on java.lang.Object@c6aa1f at java.lang.Object.wait(Native Method) - waiting on java.lang.Object@c6aa1f at java.lang.Object.wait(Unknown Source) at sun.awt.AWTAutoShutdown.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
"Java2D Disposer" Id=19 WAITING on java.lang.ref.ReferenceQueue$Lock@1a242cb at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@1a242cb 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=18 TIMED_WAITING at java.lang.Thread.sleep(Native Method) at wd$1.run(SourceFile:94)
"Snooper Timer" Id=16 WAITING on java.util.TaskQueue@af0eb5 at java.lang.Object.wait(Native Method) - waiting on java.util.TaskQueue@af0eb5 at java.lang.Object.wait(Unknown Source) at java.util.TimerThread.mainLoop(Unknown Source) at java.util.TimerThread.run(Unknown Source)
"Server-Worker-4" Id=14 RUNNABLE at coc.b(SourceFile:39) at cnv.b(SourceFile:175) at coc.a(SourceFile:139) at cnv.b(SourceFile:216) at cnx.a(SourceFile:193) at coa.a(SourceFile:61) at xg.b(SourceFile:176) at xg.a(SourceFile:108) ...
"Server-Worker-2" Id=12 WAITING on java.util.concurrent.ForkJoinPool@1916396 at sun.misc.Unsafe.park(Native Method) - waiting on java.util.concurrent.ForkJoinPool@1916396 at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source) at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
"Attach Listener" Id=5 RUNNABLE
"Signal Dispatcher" Id=4 RUNNABLE
"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@cbc34c at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.ReferenceQueue$Lock@cbc34c at java.lang.ref.ReferenceQueue.remove(Unknown Source) at java.lang.ref.ReferenceQueue.remove(Unknown Source) at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
"Reference Handler" Id=2 WAITING on java.lang.ref.Reference$Lock@16a1458 at java.lang.Object.wait(Native Method) - waiting on java.lang.ref.Reference$Lock@16a1458 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 wg.run(SourceFile:61) at java.lang.Thread.run(Unknown Source)
-- System Details --Details: Minecraft Version: 1.15.2 Minecraft Version ID: 1.15.2 Operating System: Windows 10 (x86) version 10.0 Java Version: 1.8.0_251, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation Memory: 5387208 bytes (5 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB) CPUs: 6 JVM Flags: 0 total; Player Count: 2 / 20; [xe['Akkurat12'/256, l='world', x=-712.99, y=64.68, z=132.24], xe['KaptenKorea'/340, l='world', x=-723.06, y=64.02, z=121.16]] Data Packs: vanilla Is Modded: Unknown (can't tell) Type: Dedicated Server (map_server.txt)
You were following a crap tutorial, since it missed a couple of crucial steps:
1. Install 64-bit Java.
2. Use a startup script that matches your servers hardware.