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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
161 lines
9.9 KiB
Diff
161 lines
9.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: miclebrick <miclebrick@outlook.com>
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Date: Wed, 8 Aug 2018 15:30:52 -0400
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Subject: [PATCH] Add Early Warning Feature to WatchDog
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Detect when the server has been hung for a long duration, and start printing
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thread dumps at an interval until the point of crash.
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This will help diagnose what was going on in that time before the crash.
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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 010318abbb6fadbadade8926793786eced6775d3..9cd0e389deda8d0bc7a551ff9e8b6bcd51184476 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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@@ -1048,6 +1048,7 @@ 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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+ 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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lastTick = start - TICK_TIME; // Paper
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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 24f62f9c4d288297d7a324e806745cc1449d7b4c..29eadf85e11c2261218fa406b29455da50400a7a 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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@@ -197,6 +197,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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// Paper start
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paperConfigurations.initializeGlobalConfiguration();
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paperConfigurations.initializeWorldDefaultsConfiguration();
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+ org.spigotmc.WatchdogThread.doStart(org.spigotmc.SpigotConfig.timeoutTime, org.spigotmc.SpigotConfig.restartOnCrash);
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io.papermc.paper.command.PaperCommands.registerCommands(this);
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com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics();
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com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // load version history now
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 78a2fdb466c56d75568af5f7d5398baf4ba8532c..b4df2dccee19bc529bcd76698ce0009e35bc271d 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -934,6 +934,7 @@ public final class CraftServer implements Server {
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@Override
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public void reload() {
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+ org.spigotmc.WatchdogThread.hasStarted = false; // Paper - Disable watchdog early timeout on reload
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this.reloadCount++;
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this.configuration = YamlConfiguration.loadConfiguration(this.getConfigFile());
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this.commandsConfiguration = YamlConfiguration.loadConfiguration(this.getCommandsConfigFile());
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@@ -1023,6 +1024,7 @@ public final class CraftServer implements Server {
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this.enablePlugins(PluginLoadOrder.STARTUP);
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this.enablePlugins(PluginLoadOrder.POSTWORLD);
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this.getPluginManager().callEvent(new ServerLoadEvent(ServerLoadEvent.LoadType.RELOAD));
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+ org.spigotmc.WatchdogThread.hasStarted = true; // Paper - Disable watchdog early timeout on reload
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}
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@Override
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diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
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index ddc5f2d9aa7dda6aff132392927e3d7e3674dbff..3ac48dafe2300ff4cf4591569fec9ce4916503cd 100644
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--- a/src/main/java/org/spigotmc/SpigotConfig.java
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+++ b/src/main/java/org/spigotmc/SpigotConfig.java
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@@ -229,7 +229,7 @@ public class SpigotConfig
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SpigotConfig.restartScript = SpigotConfig.getString( "settings.restart-script", SpigotConfig.restartScript );
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SpigotConfig.restartMessage = SpigotConfig.transform( SpigotConfig.getString( "messages.restart", "Server is restarting" ) );
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SpigotConfig.commands.put( "restart", new RestartCommand( "restart" ) );
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- WatchdogThread.doStart( timeoutTime, restartOnCrash );
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+ // WatchdogThread.doStart( timeoutTime, restartOnCrash ); // Paper - moved to after paper config initialization
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}
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public static boolean bungee;
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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 a9897c494b3dc56d900356d74030359832febbaa..b47d043144c499b1499f6b4be5a16a3f75c9fcb8 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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@@ -14,6 +14,10 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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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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+ private final long earlyWarningEvery; // Paper - Timeout time for just printing a dump but not restarting
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+ private final long earlyWarningDelay; // Paper
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+ public static volatile boolean hasStarted; // Paper
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+ private long lastEarlyWarning; // Paper - Keep track of short dump times to avoid spamming console with short dumps
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private volatile long lastTick;
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private volatile boolean stopping;
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@@ -22,6 +26,8 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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super( "Paper Watchdog Thread" );
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this.timeoutTime = timeoutTime;
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this.restart = restart;
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+ earlyWarningEvery = Math.min(io.papermc.paper.configuration.GlobalConfiguration.get().watchdog.earlyWarningEvery, timeoutTime); // Paper
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+ earlyWarningDelay = Math.min(io.papermc.paper.configuration.GlobalConfiguration.get().watchdog.earlyWarningDelay, timeoutTime); // Paper
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}
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private static long monotonicMillis()
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@@ -61,9 +67,18 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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while ( !this.stopping )
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{
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//
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- if ( this.lastTick != 0 && this.timeoutTime > 0 && WatchdogThread.monotonicMillis() > this.lastTick + this.timeoutTime && !Boolean.getBoolean("disable.watchdog")) // Paper - Add property to disable
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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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{
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- Logger log = Bukkit.getServer().getLogger();
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+ boolean isLongTimeout = currentTime > lastTick + timeoutTime;
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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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+ lastEarlyWarning = currentTime;
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+ if (isLongTimeout) {
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+ // Paper end
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log.log( Level.SEVERE, "------------------------------" );
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log.log( Level.SEVERE, "The server has stopped responding! This is (probably) not a Paper bug." ); // Paper
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log.log( Level.SEVERE, "If you see a plugin in the Server thread dump below, then please report it to that author" );
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@@ -93,30 +108,46 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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}
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}
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// Paper end
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+ } else
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+ {
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+ log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH - " + Bukkit.getServer().getVersion() + " ---");
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+ log.log(Level.SEVERE, "The server has not responded for " + (currentTime - lastTick) / 1000 + " seconds! Creating thread dump");
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+ }
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+ // Paper end - Different message for short timeout
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log.log( Level.SEVERE, "------------------------------" );
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log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" ); // Paper
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io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.dumpAllChunkLoadInfo(isLongTimeout); // Paper // Paper - rewrite chunk system
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WatchdogThread.dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
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log.log( Level.SEVERE, "------------------------------" );
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//
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+ // Paper start - Only print full dump on long timeouts
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+ if ( isLongTimeout )
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+ {
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log.log( Level.SEVERE, "Entire Thread Dump:" );
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ThreadInfo[] threads = ManagementFactory.getThreadMXBean().dumpAllThreads( true, true );
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for ( ThreadInfo thread : threads )
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{
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WatchdogThread.dumpThread( thread, log );
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}
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+ } else {
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+ log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---");
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+ }
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+
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log.log( Level.SEVERE, "------------------------------" );
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+ if ( isLongTimeout )
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+ {
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if ( this.restart && !MinecraftServer.getServer().hasStopped() )
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{
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RestartCommand.restart();
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}
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break;
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+ } // Paper end
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}
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try
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{
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- sleep( 10000 );
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+ sleep( 1000 ); // Paper - Reduce check time to every second instead of every ten seconds, more consistent and allows for short timeout
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} catch ( InterruptedException ex )
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{
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interrupt();
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