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84b5d4a352
Paper-Old/patches/server/0377-Improved-Watchdog-Support.patch
Jake Potrebic ab1c072320
Remove old redundant fix (#8530)
2022-11-03 14:03:31 -07:00

558 Zeilen
31 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 12 Apr 2020 15:50:48 -0400
Subject: [PATCH] Improved Watchdog Support
Forced Watchdog Crash support and Improve Async Shutdown
If the request to shut down the server is received while we are in
a watchdog hang, immediately treat it as a crash and begin the shutdown
process. Shutdown process is now improved to also shutdown cleanly when
not using restart scripts either.
If a server is deadlocked, a server owner can send SIGUP (or any other signal
the JVM understands to shut down as it currently does) and the watchdog
will no longer need to wait until the full timeout, allowing you to trigger
a close process and try to shut the server down gracefully, saving player and
world data.
Previously there was no way to trigger this outside of waiting for a full watchdog
timeout, which may be set to a really long time...
Additionally, fix everything to do with shutting the server down asynchronously.
Previously, nearly everything about the process was fragile and unsafe. Main might
not have actually been frozen, and might still be manipulating state.
Or, some reuest might ask main to do something in the shutdown but main is dead.
Or worse, other things might start closing down items such as the Console or Thread Pool
before we are fully shutdown.
This change tries to resolve all of these issues by moving everything into the stop
method and guaranteeing only one thread is stopping the server.
We then issue Thread Death to the main thread of another thread initiates the stop process.
We have to ensure Thread Death propagates correctly though to stop main completely.
This is to ensure that if main isn't truely stuck, it's not manipulating state we are trying to save.
This also moves all plugins who register "delayed init" tasks to occur just before "Done" so they
are properly accounted for and wont trip watchdog on init.
diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
index 5a19e30a9b7e65a70f68a429b8ca741f788a303b..7b1843e16745ca8db2244e17490d291401f22679 100644
--- a/src/main/java/com/destroystokyo/paper/Metrics.java
+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
@@ -92,7 +92,12 @@ public class Metrics {
* Starts the Scheduler which submits our data every 30 minutes.
*/
private void startSubmitting() {
- final Runnable submitTask = this::submitData;
+ final Runnable submitTask = () -> {
+ if (MinecraftServer.getServer().hasStopped()) {
+ return;
+ }
+ submitData();
+ };
// Many servers tend to restart at a fixed time at xx:00 which causes an uneven distribution of requests on the
// bStats backend. To circumvent this problem, we introduce some randomness into the initial and second delay.
diff --git a/src/main/java/net/minecraft/CrashReport.java b/src/main/java/net/minecraft/CrashReport.java
index 336795dff742b7c6957fbd3476aff31d25a5e659..30a58229aa6dac5039511d0c0df5f2912ea7de9f 100644
--- a/src/main/java/net/minecraft/CrashReport.java
+++ b/src/main/java/net/minecraft/CrashReport.java
@@ -230,6 +230,7 @@ public class CrashReport {
}
public static CrashReport forThrowable(Throwable cause, String title) {
+ if (cause instanceof ThreadDeath) com.destroystokyo.paper.util.SneakyThrow.sneaky(cause); // Paper
while (cause instanceof CompletionException && cause.getCause() != null) {
cause = cause.getCause();
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 564acfd222aaf111025d7e2c6b79438159d31686..c5ecf010fff3af1c9b4ebf24ca80fb6b19afccfc 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -284,7 +284,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
public int autosavePeriod;
public Commands vanillaCommandDispatcher;
- private boolean forceTicks;
+ public boolean forceTicks; // Paper
// CraftBukkit end
// Spigot start
public static final int TPS = 20;
@@ -295,6 +295,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public final io.papermc.paper.configuration.PaperConfigurations paperConfigurations;
public static long currentTickLong = 0L; // Paper
+ public volatile Thread shutdownThread; // Paper
+ public volatile boolean abnormalExit = false; // Paper
+
public static <S extends MinecraftServer> S spin(Function<Thread, S> serverFactory) {
AtomicReference<S> atomicreference = new AtomicReference();
Thread thread = new io.papermc.paper.util.TickThread(() -> { // Paper - rewrite chunk system
@@ -877,6 +880,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// CraftBukkit start
private boolean hasStopped = false;
+ public volatile boolean hasFullyShutdown = false; // Paper
private final Object stopLock = new Object();
public final boolean hasStopped() {
synchronized (this.stopLock) {
@@ -891,6 +895,19 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
if (this.hasStopped) return;
this.hasStopped = true;
}
+ // Paper start - kill main thread, and kill it hard
+ shutdownThread = Thread.currentThread();
+ org.spigotmc.WatchdogThread.doStop(); // Paper
+ if (!isSameThread()) {
+ MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PAPER)");
+ while (this.getRunningThread().isAlive()) {
+ this.getRunningThread().stop();
+ try {
+ Thread.sleep(1);
+ } catch (InterruptedException e) {}
+ }
+ }
+ // Paper end
// CraftBukkit end
if (this.metricsRecorder.isRecording()) {
this.cancelRecordingMetrics();
@@ -947,7 +964,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.getProfileCache().save(false); // Paper
}
// Spigot end
+ // Paper start - move final shutdown items here
+ LOGGER.info("Flushing Chunk IO");
io.papermc.paper.chunk.system.io.RegionFileIOThread.close(true); // Paper // Paper - rewrite chunk system
+ LOGGER.info("Closing Thread Pool");
+ Util.shutdownExecutors(); // Paper
+ LOGGER.info("Closing Server");
+ try {
+ net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
+ } catch (Exception e) {
+ }
+ this.onServerExit();
+ // Paper end
}
public String getLocalIp() {
@@ -1042,6 +1070,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
protected void runServer() {
try {
+ long serverStartTime = Util.getNanos(); // Paper
if (!this.initServer()) {
throw new IllegalStateException("Failed to initialize server");
}
@@ -1054,6 +1083,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.updateStatusIcon(this.status);
// Spigot start
+ // Paper start - move done tracking
+ LOGGER.info("Running delayed init tasks");
+ this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // run all 1 tick delay tasks during init,
+ // this is going to be the first thing the tick process does anyways, so move done and run it after
+ // everything is init before watchdog tick.
+ // anything at 3+ won't be caught here but also will trip watchdog....
+ // tasks are default scheduled at -1 + delay, and first tick will tick at 1
+ String doneTime = String.format(java.util.Locale.ROOT, "%.3fs", (double) (Util.getNanos() - serverStartTime) / 1.0E9D);
+ LOGGER.info("Done ({})! For help, type \"help\"", doneTime);
+ // Paper end
+
+ org.spigotmc.WatchdogThread.tick(); // Paper
org.spigotmc.WatchdogThread.hasStarted = true; // Paper
Arrays.fill( recentTps, 20 );
long start = System.nanoTime(), curTime, tickSection = start; // Paper - Further improve server tick loop
@@ -1114,6 +1155,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
JvmProfiler.INSTANCE.onServerTick(this.averageTickTime);
}
} catch (Throwable throwable) {
+ // Paper start
+ if (throwable instanceof ThreadDeath) {
+ MinecraftServer.LOGGER.error("Main thread terminated by WatchDog due to hard crash", throwable);
+ return;
+ }
+ // Paper end
MinecraftServer.LOGGER.error("Encountered an unexpected exception", throwable);
// Spigot Start
if ( throwable.getCause() != null )
@@ -1144,14 +1191,14 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.services.profileCache().clearExecutor();
}
- org.spigotmc.WatchdogThread.doStop(); // Spigot
+ //org.spigotmc.WatchdogThread.doStop(); // Spigot // Paper - move into stop
// CraftBukkit start - Restore terminal to original settings
try {
- net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
+ //net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Move into stop
} catch (Exception ignored) {
}
// CraftBukkit end
- this.onServerExit();
+ //this.onServerExit(); // Paper - moved into stop
}
}
@@ -1220,6 +1267,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@Override
public TickTask wrapRunnable(Runnable runnable) {
+ // Paper start - anything that does try to post to main during watchdog crash, run on watchdog
+ if (this.hasStopped && Thread.currentThread().equals(shutdownThread)) {
+ runnable.run();
+ runnable = () -> {};
+ }
+ // Paper end
return new TickTask(this.tickCount, runnable);
}
@@ -1446,6 +1499,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
try {
crashreport = CrashReport.forThrowable(throwable, "Exception ticking world");
} catch (Throwable t) {
+ if (throwable instanceof ThreadDeath) { throw (ThreadDeath)throwable; } // Paper
throw new RuntimeException("Error generating crash report", t);
}
// Spigot End
@@ -1937,7 +1991,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.packRepository.setSelected(dataPacks);
this.worldData.setDataPackConfig(MinecraftServer.getSelectedPacks(this.packRepository));
this.resources.managers.updateRegistryTags(this.registryAccess());
- this.getPlayerList().saveAll();
+ // Paper start
+ if (Thread.currentThread() != this.serverThread) {
+ return;
+ }
+ // this.getPlayerList().saveAll(); // Paper - we don't need to save everything, just advancements
+ for (ServerPlayer player : this.getPlayerList().getPlayers()) {
+ player.getAdvancements().save();
+ }
+ // Paper end
this.getPlayerList().reloadResources();
this.functionManager.replaceLibrary(this.resources.managers.getFunctionLibrary());
this.structureTemplateManager.onResourceManagerReload(this.resources.resourceManager);
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index ec305bff74ca1075d8c91397076e6924b88a0f52..6fba140877e7369cdb7933ec225572c6b153e3a8 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -274,7 +274,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
long j = Util.getNanos() - i;
String s = String.format(Locale.ROOT, "%.3fs", (double) j / 1.0E9D);
- DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\"", s);
+ //DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\"", s); // Paper moved to after init
if (dedicatedserverproperties.announcePlayerAchievements != null) {
((GameRules.BooleanValue) this.getGameRules().getRule(GameRules.RULE_ANNOUNCE_ADVANCEMENTS)).set(dedicatedserverproperties.announcePlayerAchievements, this);
}
@@ -404,7 +404,8 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
//this.remoteStatusListener.b(); // Paper - don't wait for remote connections
}
- System.exit(0); // CraftBukkit
+ hasFullyShutdown = true; // Paper
+ System.exit(this.abnormalExit ? 70 : 0); // CraftBukkit // Paper
}
@Override
@@ -772,7 +773,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
@Override
public void stopServer() {
super.stopServer();
- Util.shutdownExecutors();
+ //Util.shutdownExecutors(); // Paper - moved into super
SkullBlockEntity.clear();
}
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 55985d21fd89a753e0e10004bb01295655ac43d3..89d45ae9b2856aaed265d7333ba2e69a3836bb2e 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -518,7 +518,7 @@ public abstract class PlayerList {
this.cserver.getPluginManager().callEvent(playerQuitEvent);
entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());
- entityplayer.doTick(); // SPIGOT-924
+ if (server.isSameThread()) entityplayer.doTick(); // SPIGOT-924 // Paper - don't tick during emergency shutdowns (Watchdog)
// CraftBukkit end
// Paper start - Remove from collideRule team if needed
diff --git a/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java b/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
index 6fefa619299d3202158490630d62c16aef71e831..7a4ade1a4190bf4fbb048919ae2be230f7b80fff 100644
--- a/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
+++ b/src/main/java/net/minecraft/util/thread/BlockableEventLoop.java
@@ -152,6 +152,7 @@ public abstract class BlockableEventLoop<R extends Runnable> implements Profiler
try {
task.run();
} catch (Exception var3) {
+ if (var3.getCause() instanceof ThreadDeath) throw var3; // Paper
LOGGER.error(LogUtils.FATAL_MARKER, "Error executing task on {}", this.name(), var3);
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 7e03e88dc7196d757ffcc6cdc2ca15c96abcc2a0..cff803e60a7592fc55fc4a76e39f2254196c07f6 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -799,6 +799,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
try {
tickConsumer.accept(entity);
} catch (Throwable throwable) {
+ if (throwable instanceof ThreadDeath) throw throwable; // Paper
// Paper start - Prevent tile entity and entity crashes
final String msg = String.format("Entity threw exception at %s:%s,%s,%s", entity.level.getWorld().getName(), entity.getX(), entity.getY(), entity.getZ());
MinecraftServer.LOGGER.error(msg, throwable);
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index 6b24417b73d42bbb92425e61d166ebf619277d3b..7e1f0c9f760d6f5cfb0138542252c8469534e152 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -1220,6 +1220,7 @@ public class LevelChunk extends ChunkAccess {
gameprofilerfiller.pop();
} catch (Throwable throwable) {
+ if (throwable instanceof ThreadDeath) throw throwable; // Paper
// Paper start - Prevent tile entity and entity crashes
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());
net.minecraft.server.MinecraftServer.LOGGER.error(msg, throwable);
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 08e74f41516a545a2371a7418d995ab288831834..cce6886bb3973eed8f0c7ca7b1189547324fd4e2 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -12,6 +12,8 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
+import net.minecraft.util.ExceptionCollector;
+import net.minecraft.world.level.lighting.LayerLightEventListener;
import net.minecrell.terminalconsole.TerminalConsoleAppender; // Paper
public class Main {
@@ -169,6 +171,36 @@ public class Main {
OptionSet options = null;
+ // Paper start - preload logger classes to avoid plugins mixing versions
+ tryPreloadClass("org.apache.logging.log4j.core.Core");
+ tryPreloadClass("org.apache.logging.log4j.core.appender.AsyncAppender");
+ tryPreloadClass("org.apache.logging.log4j.core.Appender");
+ tryPreloadClass("org.apache.logging.log4j.core.ContextDataInjector");
+ tryPreloadClass("org.apache.logging.log4j.core.Filter");
+ tryPreloadClass("org.apache.logging.log4j.core.ErrorHandler");
+ tryPreloadClass("org.apache.logging.log4j.core.LogEvent");
+ tryPreloadClass("org.apache.logging.log4j.core.Logger");
+ tryPreloadClass("org.apache.logging.log4j.core.LoggerContext");
+ tryPreloadClass("org.apache.logging.log4j.core.LogEventListener");
+ tryPreloadClass("org.apache.logging.log4j.core.AbstractLogEvent");
+ tryPreloadClass("org.apache.logging.log4j.message.AsynchronouslyFormattable");
+ tryPreloadClass("org.apache.logging.log4j.message.FormattedMessage");
+ tryPreloadClass("org.apache.logging.log4j.message.ParameterizedMessage");
+ tryPreloadClass("org.apache.logging.log4j.message.Message");
+ tryPreloadClass("org.apache.logging.log4j.message.MessageFactory");
+ tryPreloadClass("org.apache.logging.log4j.message.TimestampMessage");
+ tryPreloadClass("org.apache.logging.log4j.message.SimpleMessage");
+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLogger");
+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLoggerContext");
+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncQueueFullPolicy");
+ tryPreloadClass("org.apache.logging.log4j.core.async.AsyncLoggerDisruptor");
+ tryPreloadClass("org.apache.logging.log4j.core.async.RingBufferLogEvent");
+ tryPreloadClass("org.apache.logging.log4j.core.async.DisruptorUtil");
+ tryPreloadClass("org.apache.logging.log4j.core.async.RingBufferLogEventHandler");
+ tryPreloadClass("org.apache.logging.log4j.core.impl.ThrowableProxy");
+ tryPreloadClass("org.apache.logging.log4j.core.impl.ExtendedClassInfo");
+ tryPreloadClass("org.apache.logging.log4j.core.impl.ExtendedStackTraceElement");
+ // Paper end
try {
options = parser.parse(args);
} catch (joptsimple.OptionException ex) {
@@ -264,8 +296,64 @@ public class Main {
} catch (Throwable t) {
t.printStackTrace();
}
+ // Paper start
+ // load some required classes to avoid errors during shutdown if jar is replaced
+ // also to guarantee our version loads over plugins
+ tryPreloadClass("com.destroystokyo.paper.util.SneakyThrow");
+ tryPreloadClass("com.google.common.collect.Iterators$PeekingImpl");
+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$Values");
+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$ValueIterator");
+ tryPreloadClass("com.google.common.collect.MapMakerInternalMap$WriteThroughEntry");
+ tryPreloadClass("com.google.common.collect.Iterables");
+ for (int i = 1; i <= 15; i++) {
+ tryPreloadClass("com.google.common.collect.Iterables$" + i, false);
+ }
+ tryPreloadClass("org.apache.commons.lang3.mutable.MutableBoolean");
+ tryPreloadClass("org.apache.commons.lang3.mutable.MutableInt");
+ tryPreloadClass("org.jline.terminal.impl.MouseSupport");
+ tryPreloadClass("org.jline.terminal.impl.MouseSupport$1");
+ tryPreloadClass("org.jline.terminal.Terminal$MouseTracking");
+ tryPreloadClass("co.aikar.timings.TimingHistory");
+ tryPreloadClass("co.aikar.timings.TimingHistory$MinuteReport");
+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext");
+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext$11");
+ tryPreloadClass("io.netty.channel.AbstractChannelHandlerContext$12");
+ tryPreloadClass("io.netty.channel.AbstractChannel$AbstractUnsafe$8");
+ tryPreloadClass("io.netty.util.concurrent.DefaultPromise");
+ tryPreloadClass("io.netty.util.concurrent.DefaultPromise$1");
+ tryPreloadClass("io.netty.util.internal.PromiseNotificationUtil");
+ tryPreloadClass("io.netty.util.internal.SystemPropertyUtil");
+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler");
+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$1");
+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$2");
+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$3");
+ tryPreloadClass("org.bukkit.craftbukkit.scheduler.CraftScheduler$4");
+ tryPreloadClass("org.slf4j.helpers.MessageFormatter");
+ tryPreloadClass("org.slf4j.helpers.FormattingTuple");
+ tryPreloadClass("org.slf4j.helpers.BasicMarker");
+ tryPreloadClass("org.slf4j.helpers.Util");
+ tryPreloadClass("com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent");
+ tryPreloadClass("com.destroystokyo.paper.event.entity.EntityRemoveFromWorldEvent");
+ // Minecraft, seen during saving
+ tryPreloadClass(LayerLightEventListener.DummyLightLayerEventListener.class.getName());
+ tryPreloadClass(LayerLightEventListener.class.getName());
+ tryPreloadClass(ExceptionCollector.class.getName());
+ // Paper end
+ }
+ }
+
+ // Paper start
+ private static void tryPreloadClass(String className) {
+ tryPreloadClass(className, true);
+ }
+ private static void tryPreloadClass(String className, boolean printError) {
+ try {
+ Class.forName(className);
+ } catch (ClassNotFoundException e) {
+ if (printError) System.err.println("An expected class " + className + " was not found for preloading: " + e.getMessage());
}
}
+ // Paper end
private static List<String> asList(String... params) {
return Arrays.asList(params);
diff --git a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
index b4a19d80bbf71591f25729fd0e98590350cb31d0..e948ec5a573b22645664eb53bc3e9932246544e4 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
@@ -12,12 +12,28 @@ public class ServerShutdownThread extends Thread {
@Override
public void run() {
try {
+ // Paper start - try to shutdown on main
+ server.safeShutdown(false, false);
+ for (int i = 1000; i > 0 && !server.hasStopped(); i -= 100) {
+ Thread.sleep(100);
+ }
+ if (server.hasStopped()) {
+ while (!server.hasFullyShutdown) Thread.sleep(1000);
+ return;
+ }
+ // Looks stalled, close async
org.spigotmc.AsyncCatcher.enabled = false; // Spigot
org.spigotmc.AsyncCatcher.shuttingDown = true; // Paper
+ server.forceTicks = true;
this.server.close();
+ while (!server.hasFullyShutdown) Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ // Paper end
} finally {
+ org.apache.logging.log4j.LogManager.shutdown(); // Paper
try {
- net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Use TerminalConsoleAppender
+ //net.minecrell.terminalconsole.TerminalConsoleAppender.close(); // Paper - Move into stop
} catch (Exception e) {
}
}
diff --git a/src/main/java/org/spigotmc/RestartCommand.java b/src/main/java/org/spigotmc/RestartCommand.java
index a142a56a920e153ed84c08cece993f10d76f7793..92d97a5810a379b427a99b4c63fb9844d823a84f 100644
--- a/src/main/java/org/spigotmc/RestartCommand.java
+++ b/src/main/java/org/spigotmc/RestartCommand.java
@@ -139,7 +139,7 @@ public class RestartCommand extends Command
// Paper end
// Paper start - copied from above and modified to return if the hook registered
- private static boolean addShutdownHook(String restartScript)
+ public static boolean addShutdownHook(String restartScript)
{
String[] split = restartScript.split( " " );
if ( split.length > 0 && new File( split[0] ).isFile() )
diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
index b47d043144c499b1499f6b4be5a16a3f75c9fcb8..383c52c62f49b17db2fbf58009d6ea132d124bea 100644
--- a/src/main/java/org/spigotmc/WatchdogThread.java
+++ b/src/main/java/org/spigotmc/WatchdogThread.java
@@ -11,6 +11,7 @@ import org.bukkit.Bukkit;
public final class WatchdogThread extends io.papermc.paper.util.TickThread // Paper - rewrite chunk system
{
+ public static final boolean DISABLE_WATCHDOG = Boolean.getBoolean("disable.watchdog"); // Paper
private static WatchdogThread instance;
private long timeoutTime;
private boolean restart;
@@ -39,6 +40,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
{
if ( WatchdogThread.instance == null )
{
+ if (timeoutTime <= 0) timeoutTime = 300; // Paper
WatchdogThread.instance = new WatchdogThread( timeoutTime * 1000L, restart );
WatchdogThread.instance.start();
} else
@@ -70,12 +72,13 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
// Paper start
Logger log = Bukkit.getServer().getLogger();
long currentTime = WatchdogThread.monotonicMillis();
- if ( this.lastTick != 0 && this.timeoutTime > 0 && currentTime > this.lastTick + this.earlyWarningEvery && !Boolean.getBoolean("disable.watchdog")) // Paper - Add property to disable
+ MinecraftServer server = MinecraftServer.getServer();
+ if ( this.lastTick != 0 && this.timeoutTime > 0 && WatchdogThread.hasStarted && (!server.isRunning() || (currentTime > this.lastTick + this.earlyWarningEvery && !DISABLE_WATCHDOG) )) // Paper - add property to disable
{
- boolean isLongTimeout = currentTime > lastTick + timeoutTime;
+ boolean isLongTimeout = currentTime > lastTick + timeoutTime || (!server.isRunning() && !server.hasStopped() && currentTime > lastTick + 1000);
// Don't spam early warning dumps
if ( !isLongTimeout && (earlyWarningEvery <= 0 || !hasStarted || currentTime < lastEarlyWarning + earlyWarningEvery || currentTime < lastTick + earlyWarningDelay)) continue;
- if ( !isLongTimeout && MinecraftServer.getServer().hasStopped()) continue; // Don't spam early watchdog warnings during shutdown, we'll come back to this...
+ if ( !isLongTimeout && server.hasStopped()) continue; // Don't spam early watchdog warnings during shutdown, we'll come back to this...
lastEarlyWarning = currentTime;
if (isLongTimeout) {
// Paper end
@@ -137,9 +140,25 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
if ( isLongTimeout )
{
- if ( this.restart && !MinecraftServer.getServer().hasStopped() )
+ if ( !server.hasStopped() )
{
- RestartCommand.restart();
+ AsyncCatcher.enabled = false; // Disable async catcher incase it interferes with us
+ AsyncCatcher.shuttingDown = true;
+ server.forceTicks = true;
+ if (restart) {
+ RestartCommand.addShutdownHook( SpigotConfig.restartScript );
+ }
+ // try one last chance to safe shutdown on main incase it 'comes back'
+ server.abnormalExit = true;
+ server.safeShutdown(false, restart);
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ if (!server.hasStopped()) {
+ server.close();
+ }
}
break;
} // Paper end
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
index 3dc317e466e1b93dff030794dd7f29ca1b266778..d285dbec16272db6b8a71865e05924ad66087407 100644
--- a/src/main/resources/log4j2.xml
+++ b/src/main/resources/log4j2.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" packages="com.mojang.util">
+<Configuration status="WARN" packages="com.mojang.util" shutdownHook="disable">
<Appenders>
<Queue name="ServerGuiConsole">
<PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n" />
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