---- Minecraft Crash Report ---- // Surprise! Haha. Well, this is awkward. Time: 2/12/17 10:47 AM Description: Exception ticking world java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:907) at java.util.ArrayList$Itr.next(ArrayList.java:857) at net.minecraft.server.v1_12_R1.PlayerChunkMap$3.a(PlayerChunkMap.java:71) at net.minecraft.server.v1_12_R1.PlayerChunkMap$3.computeNext(PlayerChunkMap.java:98) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:145) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:140) at net.minecraft.server.v1_12_R1.WorldServer.j(WorldServer.java:473) at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:313) at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:801) at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) at java.lang.Thread.run(Thread.java:748) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:907) at java.util.ArrayList$Itr.next(ArrayList.java:857) at net.minecraft.server.v1_12_R1.PlayerChunkMap$3.a(PlayerChunkMap.java:71) at net.minecraft.server.v1_12_R1.PlayerChunkMap$3.computeNext(PlayerChunkMap.java:98) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:145) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:140) at net.minecraft.server.v1_12_R1.WorldServer.j(WorldServer.java:473) at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:313) -- Affected level -- Details: Level name: world All players: 0 total; [] Chunk stats: ServerChunkCache: 701 Drop: 441 Level seed: -534632619690872995 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (236,64,567), Chunk: (at 12,4,7 in 14,35; contains blocks 224,0,560 to 239,255,575), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023) Level time: 349716169 game time, 21284988 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 27117 (now: false), thunder time: 12772 (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 3.10.0-693.5.2.el7.x86_64 Java Version: 1.8.0_151, Oracle Corporation Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 237699584 bytes (226 MB) / 536870912 bytes (512 MB) up to 1468006400 bytes (1400 MB) JVM Flags: 4 total; -Xmx1400M -Xms512M -XX:+UseG1GC -XX:MaxGCPauseMillis=50 IntCache: cache: 7, tcache: 0, allocated: 12, tallocated: 94 CraftBukkit Information: Running: CraftBukkit version git-Spigot-3d850ec-dccd276 (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT) true Plugins: {} Warnings: DEFAULT Reload Count: 0 Threads: { RUNNABLE DestroyJavaVM: [], 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)], 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$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$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 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)], RUNNABLE Netty Epoll Server IO #1: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:122), 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:858), java.lang.Thread.run(Thread.java:748)], RUNNABLE Netty Epoll Server IO #0: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:122), 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:858), java.lang.Thread.run(Thread.java:748)], RUNNABLE Spigot Metrics Thread: [java.net.SocketInputStream.socketRead0(Native Method), java.net.SocketInputStream.socketRead(SocketInputStream.java:116), java.net.SocketInputStream.read(SocketInputStream.java:171), java.net.SocketInputStream.read(SocketInputStream.java:141), java.io.BufferedInputStream.fill(BufferedInputStream.java:246), java.io.BufferedInputStream.read1(BufferedInputStream.java:286), java.io.BufferedInputStream.read(BufferedInputStream.java:345), sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:735), sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678), sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1587), sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492), org.spigotmc.Metrics.postPlugin(Metrics.java:435), org.spigotmc.Metrics.access$4(Metrics.java:345), org.spigotmc.Metrics$1.run(Metrics.java:240), java.util.TimerThread.mainLoop(Timer.java:555), java.util.TimerThread.run(Timer.java:505)], 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)], RUNNABLE Netty Epoll Server IO #3: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:122), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:235), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:252), io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Spigot Watchdog Thread: [java.lang.Thread.sleep(Native Method), org.spigotmc.WatchdogThread.run(WatchdogThread.java:92)], TIMED_WAITING File IO Thread: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.FileIOThread.c(SourceFile:51), net.minecraft.server.v1_12_R1.FileIOThread.run(SourceFile:30), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], RUNNABLE Signal Dispatcher: [], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164), java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)], 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 #2: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:122), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:235), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:252), io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING threadDeathWatcher-2-1: [java.lang.Thread.sleep(Native Method), io.netty.util.ThreadDeathWatcher$Watcher.run(ThreadDeathWatcher.java:152), io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138), java.lang.Thread.run(Thread.java:748)], 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 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$1.run(Signal.java:212), java.lang.Thread.run(Thread.java:748)], WAITING Thread-4: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$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)], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.DedicatedServer$1.run(DedicatedServer.java:60)],} Recent tasks from 21269586-21269616{} Profiler Position: N/A (disabled) Player Count: 0 / 10; [] Is Modded: Definitely; Server brand changed to 'Spigot' Type: Dedicated Server (map_server.txt)