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Fix issues with SIGTERM not shutting down gracefully - Fixes #3062

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We had 2 issues.
1) Log4J2 Shutdown hook seemed to be causing issues as it shutdown logger while we still needed it
2) ServerShutdownThread needs to stay alive until server is shutdown to keep jvm open.

It appears SIGINT is handled differently than SIGTERM, as SIGINT worked correctly.

But this will make both methods work.
Dieser Commit ist enthalten in:
Aikar 2020-06-10 23:40:28 -04:00
Ursprung c7112d0661
Commit e224f0bdab
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 401ADFC9891FAAFE
2 geänderte Dateien mit 45 neuen und 16 gelöschten Zeilen
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57
Spigot-Server-Patches/0467-Improved-Watchdog-Support.patch
Datei anzeigen

@ -67,7 +67,7 @@ index 3de19c998b749ccf74958c2412a8c9506457383e..c7dc8787cc3456c5540d6a00a6ff0515
throwable = throwable.getCause();
}
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 1ef7890da599d13e784861035e7891efcc4cd504..b07c49f1b48cc6dedd7c2057da0ec4f6f6d446e6 100644
index 1ef7890da599d13e784861035e7891efcc4cd504..32cd645abb236b355f4f4f0f810e56342ee6cc06 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -299,7 +299,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
@ -79,7 +79,15 @@ index 1ef7890da599d13e784861035e7891efcc4cd504..b07c49f1b48cc6dedd7c2057da0ec4f6
if (dedicatedserverproperties.announcePlayerAchievements != null) {
((GameRules.GameRuleBoolean) this.getGameRules().get(GameRules.ANNOUNCE_ADVANCEMENTS)).a(dedicatedserverproperties.announcePlayerAchievements, (MinecraftServer) this);
}
@@ -750,7 +750,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
@@ -422,6 +422,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
//this.remoteStatusListener.b(); // Paper - don't wait for remote connections
}
+ hasFullyShutdown = true; // Paper
System.exit(0); // CraftBukkit
}
@@ -750,7 +751,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
@Override
public void stop() {
super.stop();
@ -101,7 +109,7 @@ index cfe43e882e524b6ab3d9702e81269c97e6b75eba..2632c7c3ec77918be7979f2aa49209e5
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f026a6d9f0e 100644
index a0e33d42a158defc8b4a72de5d01b9395dca42eb..2c9ae5c46a39639fd9f842df23993a47b31c8585 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -144,6 +144,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@ -121,7 +129,15 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
// CraftBukkit end
// Spigot start
public static final int TPS = 20;
@@ -725,10 +726,22 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -713,6 +714,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start
private boolean hasStopped = false;
+ public volatile boolean hasFullyShutdown = false; // Paper
private final Object stopLock = new Object();
public final boolean hasStopped() {
synchronized (stopLock) {
@@ -725,10 +727,22 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start - prevent double stopping on multiple threads
synchronized(stopLock) {
if (hasStopped) return;
@ -145,7 +161,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
MinecraftTimings.stopServer(); // Paper
// CraftBukkit start
if (this.server != null) {
@@ -785,7 +798,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -785,7 +799,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.getUserCache().c(false); // Paper
}
// Spigot end
@ -164,7 +180,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
}
public String getServerIp() {
@@ -878,6 +902,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -878,6 +903,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
public void run() {
try {
@ -172,7 +188,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
if (this.init()) {
this.nextTick = SystemUtils.getMonotonicMillis();
this.serverPing.setMOTD(new ChatComponentText(this.motd));
@@ -885,6 +910,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -885,6 +911,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.a(this.serverPing);
// Spigot start
@ -191,7 +207,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
org.spigotmc.WatchdogThread.hasStarted = true; // Paper
Arrays.fill( recentTps, 20 );
long start = System.nanoTime(), curTime, tickSection = start; // Paper - Further improve server tick loop
@@ -941,6 +978,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -941,6 +979,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.a((CrashReport) null);
}
} catch (Throwable throwable) {
@ -204,7 +220,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
MinecraftServer.LOGGER.error("Encountered an unexpected exception", throwable);
// Spigot Start
if ( throwable.getCause() != null )
@@ -972,14 +1015,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -972,14 +1016,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
} catch (Throwable throwable1) {
MinecraftServer.LOGGER.error("Exception stopping the server", throwable1);
} finally {
@ -222,7 +238,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
}
}
@@ -1035,6 +1078,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -1035,6 +1079,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@Override
protected TickTask postToMainThread(Runnable runnable) {
@ -235,7 +251,7 @@ index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f02
return new TickTask(this.ticks, runnable);
}
@@ -1278,6 +1327,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -1278,6 +1328,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
midTickLoadChunks(); // Paper
} catch (Throwable throwable) {
// Spigot Start
@ -281,7 +297,7 @@ index 20d803ad68ea65fd725d6eb3317b998c1692a7b3..aa399e7f6518ff70f2214161319170b1
SystemUtils.c.shutdown();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 6f7da0a79bbbb2be354796033baa498845aaea7c..8cf191ec7f7c825e3d0996b7e224956a569ab2ba 100644
index a52d8a27cee6721c32444d9d2bd81135b7d4b859..bdd0908adb7d3cd5370b43be196c975e6c48a70f 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -793,6 +793,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
@ -418,10 +434,10 @@ index 093dbeae2784d51dae74f66e3e1ce5bf6a370428..99e1e902d8fdf33c157416c5d6abc71b
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 449e99d1b673870ed6892f6ab2c715a2db35c35d..899a525209cfe047ce57e758c6328a130f916dc6 100644
index 449e99d1b673870ed6892f6ab2c715a2db35c35d..c7ed6e0f8a989cec97700df2b15198c9c481c549 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
@@ -12,12 +12,25 @@ public class ServerShutdownThread extends Thread {
@@ -12,12 +12,27 @@ public class ServerShutdownThread extends Thread {
@Override
public void run() {
try {
@ -431,6 +447,7 @@ index 449e99d1b673870ed6892f6ab2c715a2db35c35d..899a525209cfe047ce57e758c6328a13
+ Thread.sleep(100);
+ }
+ if (server.hasStopped()) {
+ while (!server.hasFullyShutdown) Thread.sleep(1000);
+ return;
+ }
+ // Looks stalled, close async
@ -438,6 +455,7 @@ index 449e99d1b673870ed6892f6ab2c715a2db35c35d..899a525209cfe047ce57e758c6328a13
org.spigotmc.AsyncCatcher.shuttingDown = true; // Paper
+ server.forceTicks = true;
server.close();
+ while (!server.hasFullyShutdown) Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ // Paper end
@ -534,3 +552,14 @@ index 5bdcdcf9e85b73086722783bff26321d03382bb9..513c1041c34ebb3ac1775674a3f45266
}
break;
} // Paper end
diff --git a/src/main/resources/log4j2.xml b/src/main/resources/log4j2.xml
index 476f4a5cbe664ddd05474cb88553018bd334a5b8..8af159abd3d0cc94cf155fec5b384c42f69551bf 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" />

4
Spigot-Server-Patches/0516-Wait-for-Async-Tasks-during-shutdown.patch
Datei anzeigen

@ -10,10 +10,10 @@ Adds a 5 second grace period for any async tasks to finish and warns
if any are still running after that delay just as reload does.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index a70492f617408597230a39e49fa311822171851d..a03dc230521673a21872d70836903a2c2d15220e 100644
index 2c9ae5c46a39639fd9f842df23993a47b31c8585..4ab6579032043f570c20befa7fef8931babd2355 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -746,6 +746,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -747,6 +747,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start
if (this.server != null) {
this.server.disablePlugins();