anyway it works

mc_autotask.go

@@ -17,13 +17,14 @@ func CrashRestart() {
 			if !(start > MCServer.LenLog()-1) {
 				serverlog := MCServer.ReadRangeLog(start, end)
 				for _, s := range serverlog {
-					pattern1 := "\\[[0-2][0-9]:[0-6][0-9]:[0-6][0-9]\\] \\[Server Watchdog\\/FATAL\\]: Considering it to be crashed, server will forcibly shutdown."
-					cond1, _ := regexp.MatchString(pattern1, s.Log)
+					//pattern1 := "\\[[0-2][0-9]:[0-6][0-9]:[0-6][0-9]\\] \\[Server Watchdog\\/FATAL\\]: Considering it to be crashed, server will forcibly shutdown."
+					//cond1, _ := regexp.MatchString(pattern1, s.Log)
 
 					pattern2 := "\\[[0-2][0-9]:[0-6][0-9]:[0-6][0-9]\\] \\[Server Watchdog\\/ERROR\\]: This crash report has been saved to:"
 					cond2, _ := regexp.MatchString(pattern2, s.Log)
 
-					if cond1 || cond2 {
+					//if cond1 || cond2 {
+					if cond2 {
 						log.Println("Seems server crashed. Attempting to restart...")
 						MCServer.KillServer()
 						<-time.After(10 * time.Second) // wait for a while for rest

mc_read.go

@@ -19,6 +19,11 @@ func ReadLogFrom(w http.ResponseWriter, r *http.Request) {
 	startInt, _ := strconv.Atoi(start)
 	end := MCServer.LenLog()
 
+	//show only first 3000 record if start ~ end is >= 3000
+	if end-startInt > 3000 {
+		startInt = end - 3000
+	}
+
 	if startInt > MCServer.LenLog()-1 {
 		sendJSONResponse(w, "[]")
 	} else {

mod/server/autoclean.go

@@ -0,0 +1,33 @@
+package server
+
+import (
+	"time"
+)
+
+func (server *Handler) startLogAutoCleaning() {
+	//create the routine for auto clean trash
+	go func() {
+		for {
+			<-time.After(60 * time.Second) //no rush, clean every five minute
+			//if there is more than 1000 log, trim it.
+			if len(server.log) >= 1000 {
+				server.log = server.log[1000:]
+			}
+			//those are old old old logs, no longer need to store it.
+			for i, data := range server.log {
+				if time.Now().Sub(data.Timestamp).Minutes() >= 180 {
+					server.removeLog(i)
+				}
+			}
+		}
+	}()
+}
+
+func (server *Handler) removeLog(i int) {
+	if len(server.log)-1 != i {
+		server.log = append(server.log[:i], server.log[i+1:]...)
+	} else {
+		// if it is the last item, just remove it
+		server.log = server.log[:i]
+	}
+}

mod/server/server.go

@@ -25,6 +25,7 @@ func (server *Handler) StartService(dir string) {
 		server.StartStdout()
 		server.isRunning = true
 		server.startCheckStatus()
+		server.startLogAutoCleaning()
 	} else {
 		log.Println("Server is already running.")
 	}

server/crash-reports/crash-2020-12-25_17.12.34-server.txt

@@ -0,0 +1,533 @@
+---- Minecraft Crash Report ----
+// Everything's going to plan. No, really, that was supposed to happen.
+
+Time: 25/12/2020 下午5:12
+Description: Watching Server
+
+java.lang.Error: Watchdog
+	at java.base@13.0.2/java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3970)
+	at java.base@13.0.2/java.util.regex.Pattern$Start.match(Pattern.java:3625)
+	at java.base@13.0.2/java.util.regex.Matcher.search(Matcher.java:1729)
+	at java.base@13.0.2/java.util.regex.Matcher.find(Matcher.java:773)
+	at app//of.d(SourceFile:65)
+	at app//of.k(SourceFile:51)
+	at app//of.b(SourceFile:143)
+	at app//nr.a(SourceFile:96)
+	at app//nu.getString(SourceFile:91)
+	at app//nr.getString(SourceFile:39)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:984)
+	at app//db.b(SourceFile:234)
+	at app//db.a(SourceFile:218)
+	at app//ym.a(SourceFile:81)
+	at app//ym.c(SourceFile:42)
+	at app//ym$$Lambda$2964/0x0000000801222840.run(Unknown Source)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
+	at app//dc.a(SourceFile:249)
+	at app//bqy.a(SourceFile:125)
+	at app//bvi.a(SourceFile:113)
+	at app//bvi.a(SourceFile:91)
+	at app//ceg$a.a(SourceFile:874)
+	at app//aag.b(SourceFile:602)
+	at app//aag$$Lambda$3393/0x0000000801336440.accept(Unknown Source)
+	at app//bsl.b(SourceFile:84)
+	at app//aag.a(SourceFile:357)
+	at app//net.minecraft.server.MinecraftServer.b(SourceFile:871)
+	at app//zg.b(SourceFile:312)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:811)
+	at app//net.minecraft.server.MinecraftServer.w(SourceFile:670)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:257)
+	at app//net.minecraft.server.MinecraftServer$$Lambda$3374/0x00000008012dbc40.run(Unknown Source)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+A detailed walkthrough of the error, its code path and all known details is as follows:
+---------------------------------------------------------------------------------------
+
+-- Head --
+Thread: Server Watchdog
+Stacktrace:
+	at java.base@13.0.2/java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3970)
+	at java.base@13.0.2/java.util.regex.Pattern$Start.match(Pattern.java:3625)
+	at java.base@13.0.2/java.util.regex.Matcher.search(Matcher.java:1729)
+	at java.base@13.0.2/java.util.regex.Matcher.find(Matcher.java:773)
+	at app//of.d(SourceFile:65)
+	at app//of.k(SourceFile:51)
+	at app//of.b(SourceFile:143)
+	at app//nr.a(SourceFile:96)
+	at app//nu.getString(SourceFile:91)
+	at app//nr.getString(SourceFile:39)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:984)
+	at app//db.b(SourceFile:234)
+	at app//db.a(SourceFile:218)
+	at app//ym.a(SourceFile:81)
+	at app//ym.c(SourceFile:42)
+	at app//ym$$Lambda$2964/0x0000000801222840.run(Unknown Source)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
+	at app//dc.a(SourceFile:249)
+	at app//bqy.a(SourceFile:125)
+	at app//bvi.a(SourceFile:113)
+	at app//bvi.a(SourceFile:91)
+	at app//ceg$a.a(SourceFile:874)
+	at app//aag.b(SourceFile:602)
+	at app//aag$$Lambda$3393/0x0000000801336440.accept(Unknown Source)
+	at app//bsl.b(SourceFile:84)
+	at app//aag.a(SourceFile:357)
+	at app//net.minecraft.server.MinecraftServer.b(SourceFile:871)
+	at app//zg.b(SourceFile:312)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:811)
+	at app//net.minecraft.server.MinecraftServer.w(SourceFile:670)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:257)
+
+-- Thread Dump --
+Details:
+	Threads: "Reference Handler" daemon prio=10 Id=2 RUNNABLE
+	at java.base@13.0.2/java.lang.ref.Reference.waitForReferencePendingList(Native Method)
+	at java.base@13.0.2/java.lang.ref.Reference.processPendingReferences(Reference.java:241)
+	at java.base@13.0.2/java.lang.ref.Reference$ReferenceHandler.run(Reference.java:213)
+
+
+"Finalizer" daemon prio=8 Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@364f6bec
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@364f6bec
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
+	at java.base@13.0.2/java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:170)
+
+
+"Signal Dispatcher" daemon prio=9 Id=4 RUNNABLE
+
+
+"Common-Cleaner" daemon prio=8 Id=11 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@1dd48b1a
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@1dd48b1a
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at java.base@13.0.2/jdk.internal.ref.CleanerImpl.run(CleanerImpl.java:148)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+	at java.base@13.0.2/jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:134)
+
+
+"Worker-Bootstrap-1" daemon prio=5 Id=15 TIMED_WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:276)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1624)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-2" daemon prio=5 Id=16 WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-3" daemon prio=5 Id=17 WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-4" daemon prio=5 Id=19 WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-6" daemon prio=5 Id=20 WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-7" daemon prio=5 Id=21 WAITING on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@8008cad
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Timer hack thread" daemon prio=5 Id=22 TIMED_WAITING
+	at java.base@13.0.2/java.lang.Thread.sleep(Native Method)
+	at app//x$6.run(SourceFile:636)
+
+
+"Worker-Main-8" daemon prio=5 Id=23 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-9" daemon prio=5 Id=24 TIMED_WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:276)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1624)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-10" daemon prio=5 Id=26 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-11" daemon prio=5 Id=27 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-12" daemon prio=5 Id=28 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-13" daemon prio=5 Id=29 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-14" daemon prio=5 Id=25 WAITING on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@ef36ed0
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Snooper Timer" daemon prio=5 Id=31 WAITING on java.util.TaskQueue@771a23f1
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.util.TaskQueue@771a23f1
+	at java.base@13.0.2/java.lang.Object.wait(Object.java:326)
+	at java.base@13.0.2/java.util.TimerThread.mainLoop(Timer.java:527)
+	at java.base@13.0.2/java.util.TimerThread.run(Timer.java:506)
+
+
+"Server thread" prio=5 Id=30 RUNNABLE
+	at java.base@13.0.2/java.util.regex.Pattern$BmpCharProperty.match(Pattern.java:3970)
+	at java.base@13.0.2/java.util.regex.Pattern$Start.match(Pattern.java:3625)
+	at java.base@13.0.2/java.util.regex.Matcher.search(Matcher.java:1729)
+	at java.base@13.0.2/java.util.regex.Matcher.find(Matcher.java:773)
+	at app//of.d(SourceFile:65)
+	at app//of.k(SourceFile:51)
+	at app//of.b(SourceFile:143)
+	at app//nr.a(SourceFile:96)
+	...
+
+
+"DestroyJavaVM" prio=5 Id=33 RUNNABLE
+
+
+"Server console handler" daemon prio=5 Id=34 RUNNABLE (in native)
+	at java.base@13.0.2/java.io.FileInputStream.readBytes(Native Method)
+	at java.base@13.0.2/java.io.FileInputStream.read(FileInputStream.java:273)
+	at java.base@13.0.2/java.io.BufferedInputStream.read1(BufferedInputStream.java:283)
+	at java.base@13.0.2/java.io.BufferedInputStream.read(BufferedInputStream.java:344)
+	-  locked java.io.BufferedInputStream@4e2ffa53
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:297)
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
+	-  locked java.io.InputStreamReader@424662df
+	at java.base@13.0.2/java.io.InputStreamReader.read(InputStreamReader.java:185)
+	...
+
+
+"ObjectCleanerThread" daemon prio=1 Id=35 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@57d611a9
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@57d611a9
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at app//io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
+	at app//io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #0" daemon prio=5 Id=36 RUNNABLE
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@7175a509
+	-  locked sun.nio.ch.KQueueSelectorImpl@40393416
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"IO-Worker-16" prio=5 Id=38 TIMED_WAITING on java.util.concurrent.SynchronousQueue$TransferStack@3198e654
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.SynchronousQueue$TransferStack@3198e654
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:235)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1053)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	...
+
+
+"Netty Server IO #1" daemon prio=5 Id=39 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@56a4e297
+	-  locked sun.nio.ch.KQueueSelectorImpl@a2558a7
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"IO-Worker-17" prio=5 Id=40 TIMED_WAITING on java.util.concurrent.SynchronousQueue$TransferStack@3198e654
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.SynchronousQueue$TransferStack@3198e654
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:235)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1053)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	...
+
+
+"Netty Server IO #2" daemon prio=5 Id=41 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@3b55471
+	-  locked sun.nio.ch.KQueueSelectorImpl@75e9a815
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #3" daemon prio=5 Id=42 RUNNABLE
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@4284c65
+	-  locked sun.nio.ch.KQueueSelectorImpl@2468cc27
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #4" daemon prio=5 Id=43 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@d571207
+	-  locked sun.nio.ch.KQueueSelectorImpl@35c6aab8
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Server Watchdog" daemon prio=5 Id=44 RUNNABLE
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpThreads0(Native Method)
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:502)
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:490)
+	at app//zj.run(SourceFile:49)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #5" daemon prio=5 Id=45 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@73cb9301
+	-  locked sun.nio.ch.KQueueSelectorImpl@112070ab
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #6" daemon prio=5 Id=46 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@24d29fa2
+	-  locked sun.nio.ch.KQueueSelectorImpl@24c162ea
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #7" daemon prio=5 Id=47 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@b3dbee8
+	-  locked sun.nio.ch.KQueueSelectorImpl@198a320c
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #8" daemon prio=5 Id=48 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@29159110
+	-  locked sun.nio.ch.KQueueSelectorImpl@66c60ea
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #9" daemon prio=5 Id=49 RUNNABLE
+	at java.base@13.0.2/java.util.zip.Deflater.deflateBytesBytes(Native Method)
+	at java.base@13.0.2/java.util.zip.Deflater.deflate(Deflater.java:586)
+	-  locked java.util.zip.Deflater$DeflaterZStreamRef@60405431
+	at java.base@13.0.2/java.util.zip.Deflater.deflate(Deflater.java:484)
+	at app//nc.a(SourceFile:36)
+	at app//nc.encode(SourceFile:9)
+	at app//io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
+	at app//io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738)
+	at app//io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730)
+	...
+
+
+"Netty Server IO #10" daemon prio=5 Id=50 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@28120067
+	-  locked sun.nio.ch.KQueueSelectorImpl@2d8a9964
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #11" daemon prio=5 Id=51 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@4884d70f
+	-  locked sun.nio.ch.KQueueSelectorImpl@2a87f3f2
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #12" daemon prio=5 Id=52 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@12aedffd
+	-  locked sun.nio.ch.KQueueSelectorImpl@6b162575
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #13" daemon prio=5 Id=53 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@5c4abb7
+	-  locked sun.nio.ch.KQueueSelectorImpl@10c9d09e
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #14" daemon prio=5 Id=54 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@74fcb44d
+	-  locked sun.nio.ch.KQueueSelectorImpl@2e9b0a2a
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #15" daemon prio=5 Id=55 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@e22855d
+	-  locked sun.nio.ch.KQueueSelectorImpl@5031e927
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+
+Stacktrace:
+	at zj.run(SourceFile:65)
+	at java.base/java.lang.Thread.run(Thread.java:830)
+
+-- Performance stats --
+Details:
+	Random tick rate: 3
+	Level stats: ResourceKey[minecraft:dimension / minecraft:overworld]: players: 1, entities: 265828 [minecraft:tnt:256292,minecraft:item:11238,minecraft:silverfish:178,minecraft:falling_block:23,minecraft:creeper:11], block_entities: 26 [minecraft:mob_spawner:17,minecraft:chest:8,minecraft:beehive:1], block_ticks: 1745, fluid_ticks: 4340, chunk_source: ServerChunkCache: 2248,
+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: 1.16.4
+	Minecraft Version ID: 1.16.4
+	Operating System: Mac OS X (x86_64) version 10.16
+	Java Version: 13.0.2, Oracle Corporation
+	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
+	Memory: 8093712 bytes (7 MB) / 838860800 bytes (800 MB) up to 838860800 bytes (800 MB)
+	CPUs: 8
+	JVM Flags: 2 total; -Xmx800M -Xms800M
+	Player Count: 1 / 99; [aah['Alanyeung'/36994, l='ServerLevel[world]', x=-69.83, y=96.00, z=-410.80]]
+	Data Packs: vanilla
+	Is Modded: Unknown (can't tell)
+	Type: Dedicated Server (map_server.txt)

server/crash-reports/crash-2020-12-25_17.20.59-server.txt

@@ -0,0 +1,567 @@
+---- Minecraft Crash Report ----
+// Everything's going to plan. No, really, that was supposed to happen.
+
+Time: 25/12/2020 下午5:20
+Description: Watching Server
+
+java.lang.Error: Watchdog
+	at java.base@13.0.2/java.io.RandomAccessFile.writeBytes(Native Method)
+	at java.base@13.0.2/java.io.RandomAccessFile.write(RandomAccessFile.java:561)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.writeToDestination(RollingRandomAccessFileManager.java:109)
+	at app//org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:288)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.flush(RollingRandomAccessFileManager.java:128)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:179)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
+	at app//org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:218)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)
+	at app//org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
+	at app//org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2091)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1988)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1960)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1297)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:984)
+	at app//db.b(SourceFile:234)
+	at app//db.a(SourceFile:218)
+	at app//ym.a(SourceFile:81)
+	at app//ym.c(SourceFile:42)
+	at app//ym$$Lambda$2928/0x0000000801211040.run(Unknown Source)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
+	at app//dc.a(SourceFile:249)
+	at app//bqy.a(SourceFile:125)
+	at app//bvi.a(SourceFile:113)
+	at app//bvi.a(SourceFile:91)
+	at app//ceg$a.a(SourceFile:874)
+	at app//aag.b(SourceFile:602)
+	at app//aag$$Lambda$3370/0x000000080130c840.accept(Unknown Source)
+	at app//bsl.b(SourceFile:84)
+	at app//aag.a(SourceFile:357)
+	at app//net.minecraft.server.MinecraftServer.b(SourceFile:871)
+	at app//zg.b(SourceFile:312)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:811)
+	at app//net.minecraft.server.MinecraftServer.w(SourceFile:670)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:257)
+	at app//net.minecraft.server.MinecraftServer$$Lambda$3351/0x00000008012ce840.run(Unknown Source)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+A detailed walkthrough of the error, its code path and all known details is as follows:
+---------------------------------------------------------------------------------------
+
+-- Head --
+Thread: Server Watchdog
+Stacktrace:
+	at java.base@13.0.2/java.io.RandomAccessFile.writeBytes(Native Method)
+	at java.base@13.0.2/java.io.RandomAccessFile.write(RandomAccessFile.java:561)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.writeToDestination(RollingRandomAccessFileManager.java:109)
+	at app//org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:288)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.flush(RollingRandomAccessFileManager.java:128)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:179)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
+	at app//org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:218)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
+	at app//org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
+	at app//org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)
+	at app//org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
+	at app//org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2091)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1988)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1960)
+	at app//org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1297)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:984)
+	at app//db.b(SourceFile:234)
+	at app//db.a(SourceFile:218)
+	at app//ym.a(SourceFile:81)
+	at app//ym.c(SourceFile:42)
+	at app//ym$$Lambda$2928/0x0000000801211040.run(Unknown Source)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
+	at app//com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
+	at app//dc.a(SourceFile:249)
+	at app//bqy.a(SourceFile:125)
+	at app//bvi.a(SourceFile:113)
+	at app//bvi.a(SourceFile:91)
+	at app//ceg$a.a(SourceFile:874)
+	at app//aag.b(SourceFile:602)
+	at app//aag$$Lambda$3370/0x000000080130c840.accept(Unknown Source)
+	at app//bsl.b(SourceFile:84)
+	at app//aag.a(SourceFile:357)
+	at app//net.minecraft.server.MinecraftServer.b(SourceFile:871)
+	at app//zg.b(SourceFile:312)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:811)
+	at app//net.minecraft.server.MinecraftServer.w(SourceFile:670)
+	at app//net.minecraft.server.MinecraftServer.a(SourceFile:257)
+
+-- Thread Dump --
+Details:
+	Threads: "Reference Handler" daemon prio=10 Id=2 RUNNABLE
+	at java.base@13.0.2/java.lang.ref.Reference.waitForReferencePendingList(Native Method)
+	at java.base@13.0.2/java.lang.ref.Reference.processPendingReferences(Reference.java:241)
+	at java.base@13.0.2/java.lang.ref.Reference$ReferenceHandler.run(Reference.java:213)
+
+
+"Finalizer" daemon prio=8 Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@bb23a0
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@bb23a0
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
+	at java.base@13.0.2/java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:170)
+
+
+"Signal Dispatcher" daemon prio=9 Id=4 RUNNABLE
+
+
+"Common-Cleaner" daemon prio=8 Id=11 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@2b20737c
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@2b20737c
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at java.base@13.0.2/jdk.internal.ref.CleanerImpl.run(CleanerImpl.java:148)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+	at java.base@13.0.2/jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:134)
+
+
+"Worker-Bootstrap-1" daemon prio=5 Id=15 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-2" daemon prio=5 Id=16 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-3" daemon prio=5 Id=17 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-4" daemon prio=5 Id=18 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-5" daemon prio=5 Id=19 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-6" daemon prio=5 Id=20 WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Bootstrap-7" daemon prio=5 Id=21 TIMED_WAITING on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@25a7034e
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:276)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1624)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Timer hack thread" daemon prio=5 Id=22 TIMED_WAITING
+	at java.base@13.0.2/java.lang.Thread.sleep(Native Method)
+	at app//x$6.run(SourceFile:636)
+
+
+"Worker-Main-8" daemon prio=5 Id=23 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-9" daemon prio=5 Id=24 TIMED_WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkUntil(LockSupport.java:276)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1624)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-10" daemon prio=5 Id=26 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-11" daemon prio=5 Id=27 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-12" daemon prio=5 Id=28 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-13" daemon prio=5 Id=29 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Worker-Main-14" daemon prio=5 Id=25 WAITING on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.ForkJoinPool@30568785
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1633)
+	at java.base@13.0.2/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
+
+
+"Snooper Timer" daemon prio=5 Id=31 WAITING on java.util.TaskQueue@6aef2c04
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.util.TaskQueue@6aef2c04
+	at java.base@13.0.2/java.lang.Object.wait(Object.java:326)
+	at java.base@13.0.2/java.util.TimerThread.mainLoop(Timer.java:527)
+	at java.base@13.0.2/java.util.TimerThread.run(Timer.java:506)
+
+
+"Server thread" prio=5 Id=30 RUNNABLE
+	at java.base@13.0.2/java.io.RandomAccessFile.writeBytes(Native Method)
+	at java.base@13.0.2/java.io.RandomAccessFile.write(RandomAccessFile.java:561)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.writeToDestination(RollingRandomAccessFileManager.java:109)
+	at app//org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:288)
+	at app//org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.flush(RollingRandomAccessFileManager.java:128)
+	-  locked org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager@42fc19b6
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:179)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170)
+	at app//org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161)
+	...
+
+
+"Server console handler" daemon prio=5 Id=32 RUNNABLE (in native)
+	at java.base@13.0.2/java.io.FileInputStream.readBytes(Native Method)
+	at java.base@13.0.2/java.io.FileInputStream.read(FileInputStream.java:273)
+	at java.base@13.0.2/java.io.BufferedInputStream.read1(BufferedInputStream.java:283)
+	at java.base@13.0.2/java.io.BufferedInputStream.read(BufferedInputStream.java:344)
+	-  locked java.io.BufferedInputStream@5f5cdfd4
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:297)
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
+	at java.base@13.0.2/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
+	-  locked java.io.InputStreamReader@5b321115
+	at java.base@13.0.2/java.io.InputStreamReader.read(InputStreamReader.java:185)
+	...
+
+
+"DestroyJavaVM" prio=5 Id=34 RUNNABLE
+
+
+"ObjectCleanerThread" daemon prio=1 Id=35 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@482e997b
+	at java.base@13.0.2/java.lang.Object.wait(Native Method)
+	-  waiting on java.lang.ref.ReferenceQueue$Lock@482e997b
+	at java.base@13.0.2/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
+	at app//io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
+	at app//io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #0" daemon prio=5 Id=36 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@6abd1861
+	-  locked sun.nio.ch.KQueueSelectorImpl@53a6c89d
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"IO-Worker-16" prio=5 Id=38 TIMED_WAITING on java.util.concurrent.SynchronousQueue$TransferStack@18d7d145
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.SynchronousQueue$TransferStack@18d7d145
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:235)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1053)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	...
+
+
+"IO-Worker-17" prio=5 Id=39 TIMED_WAITING on java.util.concurrent.SynchronousQueue$TransferStack@18d7d145
+	at java.base@13.0.2/jdk.internal.misc.Unsafe.park(Native Method)
+	-  waiting on java.util.concurrent.SynchronousQueue$TransferStack@18d7d145
+	at java.base@13.0.2/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:235)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:462)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:361)
+	at java.base@13.0.2/java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:937)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1053)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
+	at java.base@13.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
+	...
+
+
+"Netty Server IO #1" daemon prio=5 Id=40 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@248e7665
+	-  locked sun.nio.ch.KQueueSelectorImpl@26720c85
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #2" daemon prio=5 Id=41 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@4375caf6
+	-  locked sun.nio.ch.KQueueSelectorImpl@658e7624
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #3" daemon prio=5 Id=42 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@326419ae
+	-  locked sun.nio.ch.KQueueSelectorImpl@4c43d43
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #4" daemon prio=5 Id=43 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@698b6557
+	-  locked sun.nio.ch.KQueueSelectorImpl@7fa20114
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #5" daemon prio=5 Id=44 RUNNABLE
+	at app//io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1146)
+	-  locked io.netty.channel.DefaultChannelPipeline@6d99ce27
+	at app//io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:686)
+	at app//io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:510)
+	at app//io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:423)
+	at app//io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:482)
+	at app//io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:465)
+	...
+
+
+"Netty Server IO #6" daemon prio=5 Id=45 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@4892d8f2
+	-  locked sun.nio.ch.KQueueSelectorImpl@7a01bd6a
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #7" daemon prio=5 Id=46 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@15c4a99f
+	-  locked sun.nio.ch.KQueueSelectorImpl@360fa5f6
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #8" daemon prio=5 Id=47 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@6804ae8d
+	-  locked sun.nio.ch.KQueueSelectorImpl@1f19b40a
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Server Watchdog" daemon prio=5 Id=48 RUNNABLE
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpThreads0(Native Method)
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:502)
+	at java.management@13.0.2/sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:490)
+	at app//zj.run(SourceFile:49)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #9" daemon prio=5 Id=49 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@2f216e27
+	-  locked sun.nio.ch.KQueueSelectorImpl@64ca4e20
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #10" daemon prio=5 Id=50 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@2977f4f2
+	-  locked sun.nio.ch.KQueueSelectorImpl@7b1cbc32
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #11" daemon prio=5 Id=51 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@5fe8b520
+	-  locked sun.nio.ch.KQueueSelectorImpl@69655bb3
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #12" daemon prio=5 Id=52 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@7fa3f209
+	-  locked sun.nio.ch.KQueueSelectorImpl@61c03ce3
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #13" daemon prio=5 Id=53 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@7b1bc44e
+	-  locked sun.nio.ch.KQueueSelectorImpl@3860a05d
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #14" daemon prio=5 Id=54 RUNNABLE (in native)
+	at java.base@13.0.2/sun.nio.ch.KQueue.poll(Native Method)
+	at java.base@13.0.2/sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
+	-  locked sun.nio.ch.Util$2@58b32ee2
+	-  locked sun.nio.ch.KQueueSelectorImpl@38f43633
+	at java.base@13.0.2/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
+	at app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
+	at app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:411)
+	at app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
+	at java.base@13.0.2/java.lang.Thread.run(Thread.java:830)
+
+
+"Netty Server IO #15" daemon prio=5 Id=55 RUNNABLE
+	at app//com.google.gson.internal.LinkedTreeMap.put(LinkedTreeMap.java:94)
+	at app//com.google.gson.JsonObject.add(JsonObject.java:57)
+	at app//com.google.gson.JsonObject.addProperty(JsonObject.java:79)
+	at app//nr$a.a(SourceFile:287)
+	at app//nr$a.a(SourceFile:297)
+	at app//nr$a.serialize(SourceFile:130)
+	at app//com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:81)
+	at app//com.google.gson.Gson.toJson(Gson.java:669)
+	...
+
+
+
+Stacktrace:
+	at zj.run(SourceFile:65)
+	at java.base/java.lang.Thread.run(Thread.java:830)
+
+-- Performance stats --
+Details:
+	Random tick rate: 3
+	Level stats: ResourceKey[minecraft:dimension / minecraft:overworld]: players: 1, entities: 212012 [minecraft:tnt:204157,minecraft:item:8356,minecraft:silverfish:160,minecraft:creeper:11,minecraft:falling_block:10], block_entities: 26 [minecraft:mob_spawner:17,minecraft:chest:8,minecraft:beehive:1], block_ticks: 1664, fluid_ticks: 2151, chunk_source: ServerChunkCache: 2248,
+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: 1.16.4
+	Minecraft Version ID: 1.16.4
+	Operating System: Mac OS X (x86_64) version 10.16
+	Java Version: 13.0.2, Oracle Corporation
+	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
+	Memory: 116271160 bytes (110 MB) / 838860800 bytes (800 MB) up to 838860800 bytes (800 MB)
+	CPUs: 8
+	JVM Flags: 2 total; -Xmx800M -Xms800M
+	Player Count: 1 / 99; [aah['Alanyeung'/36837, l='ServerLevel[world]', x=-69.83, y=96.00, z=-410.80]]
+	Data Packs: vanilla
+	Is Modded: Unknown (can't tell)
+	Type: Dedicated Server (map_server.txt)

server/logs/latest.log

@@ -1,28 +1,27 @@
-[00:17:53] [main/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
-[00:17:54] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
-[00:17:54] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
-[00:17:54] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
-[00:17:54] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
-[00:17:54] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
-[00:17:54] [main/INFO]: Reloading ResourceManager: Default
-[00:17:55] [Worker-Main-14/INFO]: Loaded 7 recipes
-[00:17:56] [Worker-Main-14/INFO]: Loaded 927 advancements
-[00:17:58] [Server thread/INFO]: Starting minecraft server version 1.16.4
-[00:17:58] [Server thread/INFO]: Loading properties
-[00:17:58] [Server thread/INFO]: Default game type: CREATIVE
-[00:17:58] [Server thread/INFO]: Generating keypair
-[00:17:59] [Server thread/INFO]: Starting Minecraft server on *:25565
-[00:17:59] [Server thread/INFO]: Using default channel type
-[00:17:59] [Server thread/INFO]: Preparing level "world"
-[00:17:59] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 0%
-[00:18:03] [Server thread/INFO]: Preparing spawn area: 40%
-[00:18:11] [Server thread/INFO]: Time elapsed: 11735 ms
-[00:18:11] [Server thread/INFO]: Done (11.902s)! For help, type "help"
+[17:22:33] [main/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
+[17:22:34] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
+[17:22:34] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
+[17:22:34] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
+[17:22:34] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
+[17:22:34] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
+[17:22:34] [main/INFO]: Reloading ResourceManager: Default
+[17:22:35] [Worker-Main-14/INFO]: Loaded 7 recipes
+[17:22:35] [Worker-Main-14/INFO]: Loaded 927 advancements
+[17:22:39] [Server thread/INFO]: Starting minecraft server version 1.16.4
+[17:22:39] [Server thread/INFO]: Loading properties
+[17:22:39] [Server thread/INFO]: Default game type: CREATIVE
+[17:22:39] [Server thread/INFO]: Generating keypair
+[17:22:39] [Server thread/INFO]: Starting Minecraft server on *:25565
+[17:22:39] [Server thread/INFO]: Using default channel type
+[17:22:39] [Server thread/INFO]: Preparing level "world"
+[17:22:39] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 0%
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 0%
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 0%
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 0%
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 0%
+[17:22:42] [Worker-Main-14/INFO]: Preparing spawn area: 0%
+[17:22:42] [Server thread/INFO]: Preparing spawn area: 33%
+[17:22:51] [Server thread/INFO]: Time elapsed: 11285 ms
+[17:22:51] [Server thread/INFO]: Done (11.419s)! For help, type "help"
+[17:22:53] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 2173ms or 43 ticks behind

server/server.properties

@@ -1,5 +1,5 @@
 #Minecraft server properties
-#Fri Dec 25 00:17:53 PST 2020
+#Fri Dec 25 17:22:33 PST 2020
 enable-jmx-monitoring=false
 rcon.port=25575
 level-seed=

server/usercache.json

@@ -1 +1 @@
-[{"name":"Alanyeung","uuid":"3d1c0ed1-d4d0-42ae-ac5e-a7557d5a6c4f","expiresOn":"2021-01-25 00:14:42 -0800"},{"name":"You","uuid":"0e324e7f-e78e-4777-b501-7ae08a65b1eb","expiresOn":"2021-01-16 22:53:35 -0800"},{"name":"Admin","uuid":"f680df9b-ac5c-4d3f-9bac-75bc0e316afa","expiresOn":"2021-01-16 22:53:28 -0800"},{"name":"Steve","uuid":"8667ba71-b85a-4004-af54-457a9734eed7","expiresOn":"2021-01-16 22:53:26 -0800"},{"name":"Who","uuid":"f6591220-1b72-4c34-af36-6bae126bd825","expiresOn":"2021-01-16 22:53:18 -0800"},{"name":"HyperXraft","uuid":"2561594a-c282-4ab7-b50c-068770cb9c6c","expiresOn":"2021-01-15 23:44:27 -0800"}]
+[{"name":"Alanyeung","uuid":"3d1c0ed1-d4d0-42ae-ac5e-a7557d5a6c4f","expiresOn":"2021-01-25 17:20:10 -0800"},{"name":"You","uuid":"0e324e7f-e78e-4777-b501-7ae08a65b1eb","expiresOn":"2021-01-16 22:53:35 -0800"},{"name":"Admin","uuid":"f680df9b-ac5c-4d3f-9bac-75bc0e316afa","expiresOn":"2021-01-16 22:53:28 -0800"},{"name":"Steve","uuid":"8667ba71-b85a-4004-af54-457a9734eed7","expiresOn":"2021-01-16 22:53:26 -0800"},{"name":"Who","uuid":"f6591220-1b72-4c34-af36-6bae126bd825","expiresOn":"2021-01-16 22:53:18 -0800"},{"name":"HyperXraft","uuid":"2561594a-c282-4ab7-b50c-068770cb9c6c","expiresOn":"2021-01-15 23:44:27 -0800"}]

webroot/log.html

@@ -45,15 +45,34 @@
         if (!loading) {
             loading = true;
             $.get("log/from?start=" + currentLogID, function(data) {
+                previd = currentLogID;
+                /*
+                prevHeight = $('#log')[0].scrollHeight;
+                prevTop = $('#log').scrollTop;
+                prevScrolled = prevHeight == prevTop ? false : true;
+                */
                 $.each(data, function(index, value) {
                     $("#log").append(escapeHtml(value.Log) + "\n");
                     currentLogID = value.ID + 1;
                 });
-                $('#log').scrollTop($('#log')[0].scrollHeight);
+                //check if people scrolled up
+
+                //scroll only if updated
+                /*
+                if (previd != currentLogID && prevScrolled) {
+                    $('#log').scrollTop($('#log')[0].scrollHeight);
+                }
+                */
+                //remove lines if more than 1000 lines here
+                var data = $("#log").val().split("\n");
+                if (data.length > 3001) {
+                    $("#log").val("---Log timmeed---\n");
+                    data = data.splice(data.length - 2000, data.length - 1);
+                    $("#log").val(data.join("\n"));
+                }
                 loading = false;
             });
         }
-
     }
 
     function sendCmd() {