---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 7/8/18 2:04 AM Description: Exception ticking world java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) at java.util.HashMap$KeyIterator.next(HashMap.java:1466) at net.minecraft.server.v1_12_R1.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:262) at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:297) at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:801) at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) at java.lang.Thread.run(Thread.java:748) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) at java.util.HashMap$KeyIterator.next(HashMap.java:1466) at net.minecraft.server.v1_12_R1.ChunkProviderServer.unloadChunks(ChunkProviderServer.java:262) at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:297) -- Affected level -- Details: Level name: Survival All players: 0 total; [] Chunk stats: ServerChunkCache: 404 Drop: 120 Level seed: -7315173586850981112 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (223,70,254), Chunk: (at 15,4,14 in 13,15; contains blocks 208,0,240 to 223,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 2781890153 game time, 619883248 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 90418 (now: false), thunder time: 55718 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:801) at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) at java.lang.Thread.run(Thread.java:748) -- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Linux (amd64) version 4.13.9-gentoo Java Version: 1.8.0_162, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 7176539640 bytes (6844 MB) / 8303738880 bytes (7919 MB) up to 18683133952 bytes (17817 MB) JVM Flags: 10 total; -Xms8G -XX:MaxGCPauseMillis=50 -Xmx18G -XX:UseSSE=8 -XX:+UseCMSCompactAtFullCollection -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:MaxPermSize=2048M -XX:ParallelGCThreads=8 -XX:+AggressiveOpts IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94 CraftBukkit Information: Running: CraftBukkit version git-Spigot-642f6d2-fbe3046 (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT) false Plugins: {} Warnings: DEFAULT Reload Count: 0 Threads: { RUNNABLE Netty Epoll Server IO #0: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:114), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:235), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:252), io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Spigot Metrics Thread: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.DedicatedServer$1.run(DedicatedServer.java:60)], WAITING SIGINT handler: [java.lang.Object.wait(Native Method), java.lang.Thread.join(Thread.java:1252), java.lang.Thread.join(Thread.java:1326), java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:106), java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:46), java.lang.Shutdown.runHooks(Shutdown.java:123), java.lang.Shutdown.sequence(Shutdown.java:167), java.lang.Shutdown.exit(Shutdown.java:212), java.lang.Terminator$1.handle(Terminator.java:52), sun.misc.Signal$1.run(Signal.java:212), java.lang.Thread.run(Thread.java:748)], RUNNABLE DestroyJavaVM: [], WAITING Thread-4: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77), org.bukkit.craftbukkit.v1_12_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:27), java.lang.Thread.run(Thread.java:748)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164), java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:212)], RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(FileInputStream.java:255), java.io.BufferedInputStream.fill(BufferedInputStream.java:246), java.io.BufferedInputStream.read(BufferedInputStream.java:265), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:137), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2349), net.minecraft.server.v1_12_R1.DedicatedServer$2.run(DedicatedServer.java:85)], WAITING Chunk I/O Executor Thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:502), java.lang.ref.Reference.tryHandlePending(Reference.java:191), java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Netty Epoll Server IO #1: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:114), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:235), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:252), io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING ObjectCleanerThread: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143), io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54), io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30), java.lang.Thread.run(Thread.java:748)], RUNNABLE Query Listener #1: [java.net.PlainDatagramSocketImpl.receive0(Native Method), java.net.AbstractPlainDatagramSocketImpl.receive(AbstractPlainDatagramSocketImpl.java:143), java.net.DatagramSocket.receive(DatagramSocket.java:812), net.minecraft.server.v1_12_R1.RemoteStatusListener.run(SourceFile:269), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING NonBlockingInputStreamThread: [java.lang.Object.wait(Native Method), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java:278), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Thread-3: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.MinecraftServer.stop(MinecraftServer.java:476), org.bukkit.craftbukkit.v1_12_R1.util.ServerShutdownThread.run(ServerShutdownThread.java:17)], TIMED_WAITING File IO Thread: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.FileIOThread.c(SourceFile:44), net.minecraft.server.v1_12_R1.FileIOThread.run(SourceFile:30), java.lang.Thread.run(Thread.java:748)], RUNNABLE Signal Dispatcher: [], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Thread.java:1610), org.bukkit.craftbukkit.v1_12_R1.CraftCrashReport.call(CraftCrashReport.java:30), net.minecraft.server.v1_12_R1.CrashReportSystemDetails.a(SourceFile:78), net.minecraft.server.v1_12_R1.CrashReport.h(CrashReport.java:128), net.minecraft.server.v1_12_R1.CrashReport.(CrashReport.java:35), net.minecraft.server.v1_12_R1.CrashReport.a(CrashReport.java:322), net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:806), net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406), net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679), net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], TIMED_WAITING Spigot Watchdog Thread: [java.lang.Thread.sleep(Native Method), org.spigotmc.WatchdogThread.run(WatchdogThread.java:92)],} Recent tasks from 281-311{} Profiler Position: N/A (disabled) Player Count: 0 / 2000; [] Is Modded: Definitely; Server brand changed to 'Spigot' Type: Dedicated Server (map_server.txt)