mirror of
https://github.com/PaperMC/Paper.git
synced 2024-08-27 15:09:34 +02:00
549 lines
31 KiB
Diff
549 lines
31 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 12 Apr 2020 15:50:48 -0400
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Subject: [PATCH] Improved Watchdog Support
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Forced Watchdog Crash support and Improve Async Shutdown
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If the request to shut down the server is received while we are in
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a watchdog hang, immediately treat it as a crash and begin the shutdown
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process. Shutdown process is now improved to also shutdown cleanly when
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not using restart scripts either.
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If a server is deadlocked, a server owner can send SIGUP (or any other signal
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the JVM understands to shut down as it currently does) and the watchdog
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will no longer need to wait until the full timeout, allowing you to trigger
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a close process and try to shut the server down gracefully, saving player and
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world data.
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Previously there was no way to trigger this outside of waiting for a full watchdog
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timeout, which may be set to a really long time...
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Additionally, fix everything to do with shutting the server down asynchronously.
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Previously, nearly everything about the process was fragile and unsafe. Main might
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not have actually been frozen, and might still be manipulating state.
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Or, some reuest might ask main to do something in the shutdown but main is dead.
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Or worse, other things might start closing down items such as the Console or Thread Pool
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before we are fully shutdown.
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This change tries to resolve all of these issues by moving everything into the stop
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method and guaranteeing only one thread is stopping the server.
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We then issue Thread Death to the main thread of another thread initiates the stop process.
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We have to ensure Thread Death propagates correctly though to stop main completely.
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This is to ensure that if main isn't truely stuck, it's not manipulating state we are trying to save.
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This also moves all plugins who register "delayed init" tasks to occur just before "Done" so they
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are properly accounted for and wont trip watchdog on init.
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diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
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index 6aaed8e8bf8c721fc834da5c76ac72a4c3e92458..4b002e8b75d117b726b0de274a76d3596fce015b 100644
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--- a/src/main/java/com/destroystokyo/paper/Metrics.java
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+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
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@@ -92,7 +92,12 @@ public class Metrics {
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* Starts the Scheduler which submits our data every 30 minutes.
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*/
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private void startSubmitting() {
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- final Runnable submitTask = this::submitData;
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+ final Runnable submitTask = () -> {
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+ if (MinecraftServer.getServer().hasStopped()) {
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+ return;
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+ }
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+ submitData();
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+ };
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// Many servers tend to restart at a fixed time at xx:00 which causes an uneven distribution of requests on the
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// bStats backend. To circumvent this problem, we introduce some randomness into the initial and second delay.
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diff --git a/src/main/java/net/minecraft/CrashReport.java b/src/main/java/net/minecraft/CrashReport.java
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index 336795dff742b7c6957fbd3476aff31d25a5e659..30a58229aa6dac5039511d0c0df5f2912ea7de9f 100644
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--- a/src/main/java/net/minecraft/CrashReport.java
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+++ b/src/main/java/net/minecraft/CrashReport.java
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@@ -230,6 +230,7 @@ public class CrashReport {
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}
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public static CrashReport forThrowable(Throwable cause, String title) {
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+ if (cause instanceof ThreadDeath) com.destroystokyo.paper.util.SneakyThrow.sneaky(cause); // Paper
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while (cause instanceof CompletionException && cause.getCause() != null) {
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cause = cause.getCause();
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 728a9d2c11bce06cf3edb25cb500db0423d9b84d..155a9a5def5ff599ecf862782fa19fcc595e6789 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -298,7 +298,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
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public int autosavePeriod;
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public Commands vanillaCommandDispatcher;
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- private boolean forceTicks;
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+ public boolean forceTicks; // Paper
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// CraftBukkit end
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// Spigot start
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public static final int TPS = 20;
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@@ -309,6 +309,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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public final io.papermc.paper.configuration.PaperConfigurations paperConfigurations;
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public static long currentTickLong = 0L; // Paper
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+ public volatile Thread shutdownThread; // Paper
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+ public volatile boolean abnormalExit = false; // Paper
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+
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public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
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AtomicReference<S> atomicreference = new AtomicReference();
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Thread thread = new io.papermc.paper.util.TickThread(() -> { // Paper - rewrite chunk system
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@@ -887,6 +890,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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// CraftBukkit start
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private boolean hasStopped = false;
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+ public volatile boolean hasFullyShutdown = false; // Paper
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private final Object stopLock = new Object();
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public final boolean hasStopped() {
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synchronized (this.stopLock) {
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@@ -901,6 +905,19 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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if (this.hasStopped) return;
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this.hasStopped = true;
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}
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+ // Paper start - kill main thread, and kill it hard
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+ shutdownThread = Thread.currentThread();
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+ org.spigotmc.WatchdogThread.doStop(); // Paper
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+ if (!isSameThread()) {
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+ MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PAPER)");
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+ while (this.getRunningThread().isAlive()) {
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+ this.getRunningThread().stop();
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+ try {
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+ Thread.sleep(1);
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+ } catch (InterruptedException e) {}
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+ }
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+ }
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+ // Paper end
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// CraftBukkit end
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if (this.metricsRecorder.isRecording()) {
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this.cancelRecordingMetrics();
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@@ -957,7 +974,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.getProfileCache().save(false); // Paper
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}
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// Spigot end
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+ // Paper start - move final shutdown items here
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+ LOGGER.info("Flushing Chunk IO");
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io.papermc.paper.chunk.system.io.RegionFileIOThread.close(true); // Paper // Paper - rewrite chunk system
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+ LOGGER.info("Closing Thread Pool");
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+ Util.shutdownExecutors(); // Paper
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+ LOGGER.info("Closing Server");
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+ try {
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+ net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
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+ } catch (Exception e) {
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+ }
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+ this.onServerExit();
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+ // Paper end
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}
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public String getLocalIp() {
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@@ -1052,6 +1080,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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protected void runServer() {
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try {
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+ long serverStartTime = Util.getNanos(); // Paper
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if (!this.initServer()) {
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throw new IllegalStateException("Failed to initialize server");
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}
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@@ -1061,6 +1090,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.status = this.buildServerStatus();
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// Spigot start
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+ // Paper start - move done tracking
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+ LOGGER.info("Running delayed init tasks");
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+ this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // run all 1 tick delay tasks during init,
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+ // this is going to be the first thing the tick process does anyways, so move done and run it after
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+ // everything is init before watchdog tick.
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+ // anything at 3+ won't be caught here but also will trip watchdog....
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+ // tasks are default scheduled at -1 + delay, and first tick will tick at 1
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+ String doneTime = String.format(java.util.Locale.ROOT, "%.3fs", (double) (Util.getNanos() - serverStartTime) / 1.0E9D);
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+ LOGGER.info("Done ({})! For help, type \"help\"", doneTime);
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+ // Paper end
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+
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+ org.spigotmc.WatchdogThread.tick(); // Paper
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org.spigotmc.WatchdogThread.hasStarted = true; // Paper
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Arrays.fill( recentTps, 20 );
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long start = System.nanoTime(), curTime, tickSection = start; // Paper - Further improve server tick loop
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@@ -1121,6 +1162,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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JvmProfiler.INSTANCE.onServerTick(this.averageTickTime);
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}
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} catch (Throwable throwable) {
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+ // Paper start
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+ if (throwable instanceof ThreadDeath) {
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+ MinecraftServer.LOGGER.error("Main thread terminated by WatchDog due to hard crash", throwable);
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+ return;
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+ }
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+ // Paper end
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MinecraftServer.LOGGER.error("Encountered an unexpected exception", throwable);
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// Spigot Start
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if ( throwable.getCause() != null )
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@@ -1151,14 +1198,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.services.profileCache().clearExecutor();
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}
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- org.spigotmc.WatchdogThread.doStop(); // Spigot
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+ //org.spigotmc.WatchdogThread.doStop(); // Spigot // Paper - move into stop
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// CraftBukkit start - Restore terminal to original settings
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try {
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- net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
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+ //net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Move into stop
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} catch (Exception ignored) {
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}
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// CraftBukkit end
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- this.onServerExit();
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+ //this.onServerExit(); // Paper - moved into stop
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}
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}
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@@ -1227,6 +1274,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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@Override
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public TickTask wrapRunnable(Runnable runnable) {
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+ // Paper start - anything that does try to post to main during watchdog crash, run on watchdog
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+ if (this.hasStopped && Thread.currentThread().equals(shutdownThread)) {
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+ runnable.run();
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+ runnable = () -> {};
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+ }
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+ // Paper end
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return new TickTask(this.tickCount, runnable);
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}
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@@ -1461,6 +1514,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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try {
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crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
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} catch (Throwable t) {
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+ if (throwable instanceof ThreadDeath) { throw (ThreadDeath)throwable; } // Paper
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throw new RuntimeException("Error generating crash report", t);
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}
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// Spigot End
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@@ -1959,7 +2013,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.worldData.setDataConfiguration(worlddataconfiguration);
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this.resources.managers.updateRegistryTags(this.registryAccess());
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- this.getPlayerList().saveAll();
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+ // Paper start
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+ if (Thread.currentThread() != this.serverThread) {
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+ return;
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+ }
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+ // this.getPlayerList().saveAll(); // Paper - we don't need to save everything, just advancements
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+ for (ServerPlayer player : this.getPlayerList().getPlayers()) {
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+ player.getAdvancements().save();
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+ }
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+ // Paper end
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this.getPlayerList().reloadResources();
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this.functionManager.replaceLibrary(this.resources.managers.getFunctionLibrary());
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this.structureTemplateManager.onResourceManagerReload(this.resources.resourceManager);
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diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index f22c50f0a2ef05e9f52550db7c40b5b99632650c..549ea8e0fe702615eefcbfd1cd6a30e05b7b3fd5 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -269,7 +269,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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long j = Util.getNanos() - i;
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String s = String.format(Locale.ROOT, "%.3fs", (double) j / 1.0E9D);
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- DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\"", s);
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+ //DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\"", s); // Paper moved to after init
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if (dedicatedserverproperties.announcePlayerAchievements != null) {
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((GameRules.BooleanValue) this.getGameRules().getRule(GameRules.RULE_ANNOUNCE_ADVANCEMENTS)).set(dedicatedserverproperties.announcePlayerAchievements, this);
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}
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@@ -398,7 +398,8 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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//this.remoteStatusListener.b(); // Paper - don't wait for remote connections
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}
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- System.exit(0); // CraftBukkit
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+ hasFullyShutdown = true; // Paper
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+ System.exit(this.abnormalExit ? 70 : 0); // CraftBukkit // Paper
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}
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@Override
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@@ -761,7 +762,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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@Override
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public void stopServer() {
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super.stopServer();
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- Util.shutdownExecutors();
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+ //Util.shutdownExecutors(); // Paper - moved into super
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SkullBlockEntity.clear();
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}
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index 187b3dc881f226963af5b61a2c4b957ecf537cf5..a4b3e2caf550f578ac06c5d17077fe08aaa07a57 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -533,7 +533,7 @@ public abstract class PlayerList {
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this.cserver.getPluginManager().callEvent(playerQuitEvent);
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entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());
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- entityplayer.doTick(); // SPIGOT-924
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+ if (server.isSameThread()) entityplayer.doTick(); // SPIGOT-924 // Paper - don't tick during emergency shutdowns (Watchdog)
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// CraftBukkit end
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// Paper start - Remove from collideRule team if needed
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diff --git a/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java b/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
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index f5829ae484d93b547a5437b85a9621346384a11b..83701fbfaa56a232593ee8f11a3afb8941238bfa 100644
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--- a/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
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+++ b/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
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@@ -152,6 +152,7 @@ public abstract class BlockableEventLoop<R extends Runnable> implements Profiler
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try {
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task.run();
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} catch (Exception var3) {
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+ if (var3.getCause() instanceof ThreadDeath) throw var3; // Paper
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LOGGER.error(LogUtils.FATAL_MARKER, "Error executing task on {}", this.name(), var3);
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}
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 637092303bbce94fd37f193367264d51b855847d..31edf8f2c683f56e53040e735d015ca6d6966d01 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -827,6 +827,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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try {
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tickConsumer.accept(entity);
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} catch (Throwable throwable) {
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+ if (throwable instanceof ThreadDeath) throw throwable; // Paper
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// Paper start - Prevent tile entity and entity crashes
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final String msg = String.format("Entity threw exception at %s:%s,%s,%s", entity.level.getWorld().getName(), entity.getX(), entity.getY(), entity.getZ());
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MinecraftServer.LOGGER.error(msg, throwable);
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index 39defceb694875322b3433a3ad4bb16256413ea8..86f19b7ed15c2029c5483f21b44895d8982a90b8 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -1230,6 +1230,7 @@ public class LevelChunk extends ChunkAccess {
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gameprofilerfiller.pop();
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} catch (Throwable throwable) {
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+ if (throwable instanceof ThreadDeath) throw throwable; // Paper
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// Paper start - Prevent tile entity and entity crashes
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final String msg = String.format("BlockEntity threw exception at %s:%s,%s,%s", LevelChunk.this.getLevel().getWorld().getName(), this.getPos().getX(), this.getPos().getY(), this.getPos().getZ());
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net.minecraft.server.MinecraftServer.LOGGER.error(msg, throwable);
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diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
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index 8b03be6babe3052ab351061c0c206c84e26ef705..7f85bc8e8a666a32e392fa57418bf0d479e758d0 100644
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--- a/src/main/java/org/bukkit/craftbukkit/Main.java
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+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
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@@ -178,6 +178,36 @@ public class Main {
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OptionSet options = null;
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+ // Paper start - preload logger classes to avoid plugins mixing versions
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+ tryPreloadClass("org.apache.logging.log4j.core.Core");
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+ tryPreloadClass("org.apache.logging.log4j.core.appender.AsyncAppender");
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+ tryPreloadClass("org.apache.logging.log4j.core.Appender");
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+ tryPreloadClass("org.apache.logging.log4j.core.ContextDataInjector");
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+ tryPreloadClass("org.apache.logging.log4j.core.Filter");
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+ tryPreloadClass("org.apache.logging.log4j.core.ErrorHandler");
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+ tryPreloadClass("org.apache.logging.log4j.core.LogEvent");
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+ tryPreloadClass("org.apache.logging.log4j.core.Logger");
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+ tryPreloadClass("org.apache.logging.log4j.core.LoggerContext");
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+ tryPreloadClass("org.apache.logging.log4j.core.LogEventListener");
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+ tryPreloadClass("org.apache.logging.log4j.core.AbstractLogEvent");
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+ tryPreloadClass("org.apache.logging.log4j.message.AsynchronouslyFormattable");
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+ tryPreloadClass("org.apache.logging.log4j.message.FormattedMessage");
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+ tryPreloadClass("org.apache.logging.log4j.message.ParameterizedMessage");
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+ tryPreloadClass("org.apache.logging.log4j.message.Message");
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+ tryPreloadClass("org.apache.logging.log4j.message.MessageFactory");
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+ tryPreloadClass("org.apache.logging.log4j.message.TimestampMessage");
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+ tryPreloadClass("org.apache.logging.log4j.message.SimpleMessage");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLogger");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLoggerContext");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncQueueFullPolicy");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLoggerDisruptor");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.RingBufferLogEvent");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.DisruptorUtil");
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+ tryPreloadClass("org.apache.logging.log4j.core.async.RingBufferLogEventHandler");
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+ tryPreloadClass("org.apache.logging.log4j.core.impl.ThrowableProxy");
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+ tryPreloadClass("org.apache.logging.log4j.core.impl.ExtendedClassInfo");
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+ tryPreloadClass("org.apache.logging.log4j.core.impl.ExtendedStackTraceElement");
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+ // Paper end
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try {
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options = parser.parse(args);
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} catch (joptsimple.OptionException ex) {
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@@ -273,8 +303,64 @@ public class Main {
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} catch (Throwable t) {
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t.printStackTrace();
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}
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+ // Paper start
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+ // load some required classes to avoid errors during shutdown if jar is replaced
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+ // also to guarantee our version loads over plugins
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+ tryPreloadClass("com.destroystokyo.paper.util.SneakyThrow");
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+ tryPreloadClass("com.google.common.collect.Iterators$PeekingImpl");
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+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$Values");
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+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$ValueIterator");
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+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$WriteThroughEntry");
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+ tryPreloadClass("com.google.common.collect.Iterables");
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+ for (int i = 1; i <= 15; i++) {
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+ tryPreloadClass("com.google.common.collect.Iterables$" + i, false);
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+ }
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+ tryPreloadClass("org.apache.commons.lang3.mutable.MutableBoolean");
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+ tryPreloadClass("org.apache.commons.lang3.mutable.MutableInt");
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+ tryPreloadClass("org.jline.terminal.impl.MouseSupport");
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+ tryPreloadClass("org.jline.terminal.impl.MouseSupport$1");
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+ tryPreloadClass("org.jline.terminal.Terminal$MouseTracking");
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+ tryPreloadClass("co.aikar.timings.TimingHistory");
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+ tryPreloadClass("co.aikar.timings.TimingHistory$MinuteReport");
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+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext");
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+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext$11");
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+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext$12");
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+ tryPreloadClass("io.netty.channel.AbstractChannel$AbstractUnsafe$8");
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+ tryPreloadClass("io.netty.util.concurrent.DefaultPromise");
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+ tryPreloadClass("io.netty.util.concurrent.DefaultPromise$1");
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+ tryPreloadClass("io.netty.util.internal.PromiseNotificationUtil");
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+ tryPreloadClass("io.netty.util.internal.SystemPropertyUtil");
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+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler");
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+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$1");
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+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$2");
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+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$3");
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+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$4");
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+ tryPreloadClass("org.slf4j.helpers.MessageFormatter");
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+ tryPreloadClass("org.slf4j.helpers.FormattingTuple");
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+ tryPreloadClass("org.slf4j.helpers.BasicMarker");
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+ tryPreloadClass("org.slf4j.helpers.Util");
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+ tryPreloadClass("com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent");
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+ tryPreloadClass("com.destroystokyo.paper.event.entity.EntityRemoveFromWorldEvent");
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+ // Minecraft, seen during saving
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+ tryPreloadClass(net.minecraft.world.level.lighting.LayerLightEventListener.DummyLightLayerEventListener.class.getName());
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+ tryPreloadClass(net.minecraft.world.level.lighting.LayerLightEventListener.class.getName());
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+ tryPreloadClass(net.minecraft.util.ExceptionCollector.class.getName());
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+ // Paper end
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+ }
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+ }
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+
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+ // Paper start
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+ private static void tryPreloadClass(String className) {
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+ tryPreloadClass(className, true);
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+ }
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+ private static void tryPreloadClass(String className, boolean printError) {
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+ try {
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+ Class.forName(className);
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+ } catch (ClassNotFoundException e) {
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+ if (printError) System.err.println("An expected class " + className + " was not found for preloading: " + e.getMessage());
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}
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}
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+ // Paper end
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private static List<String> asList(String... params) {
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return Arrays.asList(params);
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
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index b4a19d80bbf71591f25729fd0e98590350cb31d0..e948ec5a573b22645664eb53bc3e9932246544e4 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
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@@ -12,12 +12,28 @@ public class ServerShutdownThread extends Thread {
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@Override
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public void run() {
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try {
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+ // Paper start - try to shutdown on main
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+ server.safeShutdown(false, false);
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+ for (int i = 1000; i > 0 && !server.hasStopped(); i -= 100) {
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+ Thread.sleep(100);
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+ }
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+ if (server.hasStopped()) {
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+ while (!server.hasFullyShutdown) Thread.sleep(1000);
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+ return;
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+ }
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+ // Looks stalled, close async
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org.spigotmc.AsyncCatcher.enabled = false; // Spigot
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org.spigotmc.AsyncCatcher.shuttingDown = true; // Paper
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+ server.forceTicks = true;
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this.server.close();
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+ while (!server.hasFullyShutdown) Thread.sleep(1000);
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+ } catch (InterruptedException e) {
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+ e.printStackTrace();
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+ // Paper end
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} finally {
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+ org.apache.logging.log4j.LogManager.shutdown(); // Paper
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try {
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- net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
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+ //net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Move into stop
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} catch (Exception e) {
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}
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}
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diff --git a/src/main/java/org/spigotmc/RestartCommand.java b/src/main/java/org/spigotmc/RestartCommand.java
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index a142a56a920e153ed84c08cece993f10d76f7793..92d97a5810a379b427a99b4c63fb9844d823a84f 100644
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--- a/src/main/java/org/spigotmc/RestartCommand.java
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+++ b/src/main/java/org/spigotmc/RestartCommand.java
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@@ -139,7 +139,7 @@ public class RestartCommand extends Command
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// Paper end
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// Paper start - copied from above and modified to return if the hook registered
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- private static boolean addShutdownHook(String restartScript)
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+ public static boolean addShutdownHook(String restartScript)
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{
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String[] split = restartScript.split( " " );
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if ( split.length > 0 && new File( split[0] ).isFile() )
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diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
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index b47d043144c499b1499f6b4be5a16a3f75c9fcb8..383c52c62f49b17db2fbf58009d6ea132d124bea 100644
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--- a/src/main/java/org/spigotmc/WatchdogThread.java
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+++ b/src/main/java/org/spigotmc/WatchdogThread.java
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@@ -11,6 +11,7 @@ import org.bukkit.Bukkit;
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public final class WatchdogThread extends io.papermc.paper.util.TickThread // Paper - rewrite chunk system
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{
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+ public static final boolean DISABLE_WATCHDOG = Boolean.getBoolean("disable.watchdog"); // Paper
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private static WatchdogThread instance;
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private long timeoutTime;
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private boolean restart;
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@@ -39,6 +40,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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{
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if ( WatchdogThread.instance == null )
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{
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+ if (timeoutTime <= 0) timeoutTime = 300; // Paper
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WatchdogThread.instance = new WatchdogThread( timeoutTime * 1000L, restart );
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WatchdogThread.instance.start();
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} else
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@@ -70,12 +72,13 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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// Paper start
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Logger log = Bukkit.getServer().getLogger();
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long currentTime = WatchdogThread.monotonicMillis();
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- if ( this.lastTick != 0 && this.timeoutTime > 0 && currentTime > this.lastTick + this.earlyWarningEvery && !Boolean.getBoolean("disable.watchdog")) // Paper - Add property to disable
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+ MinecraftServer server = MinecraftServer.getServer();
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+ if ( this.lastTick != 0 && this.timeoutTime > 0 && WatchdogThread.hasStarted && (!server.isRunning() || (currentTime > this.lastTick + this.earlyWarningEvery && !DISABLE_WATCHDOG) )) // Paper - add property to disable
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{
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- boolean isLongTimeout = currentTime > lastTick + timeoutTime;
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+ boolean isLongTimeout = currentTime > lastTick + timeoutTime || (!server.isRunning() && !server.hasStopped() && currentTime > lastTick + 1000);
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// Don't spam early warning dumps
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if ( !isLongTimeout && (earlyWarningEvery <= 0 || !hasStarted || currentTime < lastEarlyWarning + earlyWarningEvery || currentTime < lastTick + earlyWarningDelay)) continue;
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- if ( !isLongTimeout && MinecraftServer.getServer().hasStopped()) continue; // Don't spam early watchdog warnings during shutdown, we'll come back to this...
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+ if ( !isLongTimeout && server.hasStopped()) continue; // Don't spam early watchdog warnings during shutdown, we'll come back to this...
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lastEarlyWarning = currentTime;
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if (isLongTimeout) {
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// Paper end
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@@ -137,9 +140,25 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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if ( isLongTimeout )
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{
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- if ( this.restart && !MinecraftServer.getServer().hasStopped() )
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+ if ( !server.hasStopped() )
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{
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- RestartCommand.restart();
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+ AsyncCatcher.enabled = false; // Disable async catcher incase it interferes with us
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+ AsyncCatcher.shuttingDown = true;
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+ server.forceTicks = true;
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+ if (restart) {
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+ RestartCommand.addShutdownHook( SpigotConfig.restartScript );
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+ }
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+ // try one last chance to safe shutdown on main incase it 'comes back'
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+ server.abnormalExit = true;
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+ server.safeShutdown(false, restart);
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+ try {
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+ Thread.sleep(1000);
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+ } catch (InterruptedException e) {
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+ e.printStackTrace();
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+ }
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+ if (!server.hasStopped()) {
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+ server.close();
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+ }
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}
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break;
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} // Paper end
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diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
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index 3dc317e466e1b93dff030794dd7f29ca1b266778..d285dbec16272db6b8a71865e05924ad66087407 100644
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--- a/src/main/resources/log4j2.xml
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+++ b/src/main/resources/log4j2.xml
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@@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="UTF-8"?>
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-<Configuration status="WARN" packages="com.mojang.util">
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+<Configuration status="WARN" packages="com.mojang.util" shutdownHook="disable">
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<Appenders>
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<Queue name="ServerGuiConsole">
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<PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n" />
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