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https://github.com/PaperMC/Paper.git
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Add support for OpenJ9 heap dumps in /paper heap
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Byteflux
Zach
parent
eee4bcaec2
commit
1a15d8213c
@ -1,4 +1,4 @@
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From 16195dec72954ef5f6192e35ba8fdd451a097ecb Mon Sep 17 00:00:00 2001
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From 6a4a86c8afd583b7bdeaf3b93595924f84c5da6a Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Mon, 29 Feb 2016 21:02:09 -0600
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Subject: [PATCH] Paper config files
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@ -6,10 +6,10 @@ Subject: [PATCH] Paper config files
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diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
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new file mode 100644
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index 0000000000..b5f318c00d
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index 000000000..5626ae4e3
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
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@@ -0,0 +1,241 @@
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@@ -0,0 +1,244 @@
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+package com.destroystokyo.paper;
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+
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+import com.google.common.base.Functions;
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@ -227,11 +227,14 @@ index 0000000000..b5f318c00d
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+ }
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+
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+ private void dumpHeap(CommandSender sender) {
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+ File file = new File(new File(new File("."), "dumps"),
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+ "heap-dump-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now()) + "-server.hprof");
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+ Command.broadcastCommandMessage(sender, ChatColor.YELLOW + "Writing JVM heap data to " + file);
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+ if (CraftServer.dumpHeap(file)) {
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+ Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Heap dump complete");
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+ java.nio.file.Path dir = java.nio.file.Paths.get("./dumps");
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+ String name = "heap-dump-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now());
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+
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+ Command.broadcastCommandMessage(sender, ChatColor.YELLOW + "Writing JVM heap data...");
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+
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+ java.nio.file.Path file = CraftServer.dumpHeap(dir, name);
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+ if (file != null) {
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+ Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Heap dump saved to " + file);
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+ } else {
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+ Command.broadcastCommandMessage(sender, ChatColor.RED + "Failed to write heap dump, see sever log for details");
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+ }
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@ -253,7 +256,7 @@ index 0000000000..b5f318c00d
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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new file mode 100644
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index 0000000000..db79fe41b9
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index 000000000..db79fe41b
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -0,0 +1,184 @@
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@ -443,7 +446,7 @@ index 0000000000..db79fe41b9
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+}
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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new file mode 100644
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index 0000000000..a738657394
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index 000000000..a73865739
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -0,0 +1,67 @@
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@ -515,7 +518,7 @@ index 0000000000..a738657394
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
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index e1ba833f3e..b60956218d 100644
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index e1ba833f3..b60956218 100644
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--- a/src/main/java/net/minecraft/server/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
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@@ -152,6 +152,15 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
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@ -535,7 +538,7 @@ index e1ba833f3e..b60956218d 100644
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this.setSpawnAnimals(dedicatedserverproperties.spawnAnimals);
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this.setSpawnNPCs(dedicatedserverproperties.spawnNpcs);
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 3495d8ecdc..45e2ce618a 100644
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index 3495d8ecd..45e2ce618 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -134,9 +134,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
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@ -552,7 +555,7 @@ index 3495d8ecdc..45e2ce618a 100644
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public boolean impulse;
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public int portalCooldown;
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diff --git a/src/main/java/net/minecraft/server/EntityTypes.java b/src/main/java/net/minecraft/server/EntityTypes.java
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index 659e0ea50a..8c918d0d68 100644
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index 659e0ea50..8c918d0d6 100644
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--- a/src/main/java/net/minecraft/server/EntityTypes.java
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+++ b/src/main/java/net/minecraft/server/EntityTypes.java
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@@ -4,6 +4,7 @@ import com.mojang.datafixers.DataFixUtils;
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@ -575,7 +578,7 @@ index 659e0ea50a..8c918d0d68 100644
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+ // Paper end
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index a8ac7be82b..91e50ccea1 100644
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index a8ac7be82..91e50ccea 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -86,6 +86,8 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
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@ -596,7 +599,7 @@ index a8ac7be82b..91e50ccea1 100644
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this.world = new CraftWorld((WorldServer) this, gen, env);
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this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
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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 95deac5b97..4413066eea 100644
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index 95deac5b9..3a8e64aa7 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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@@ -751,6 +751,7 @@ public final class CraftServer implements Server {
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@ -623,35 +626,44 @@ index 95deac5b97..4413066eea 100644
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overrideAllCommandBlockCommands = commandsConfiguration.getStringList("command-block-overrides").contains("*");
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ignoreVanillaPermissions = commandsConfiguration.getBoolean("ignore-vanilla-permissions");
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@@ -1953,4 +1956,26 @@ public final class CraftServer implements Server {
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@@ -1953,4 +1956,35 @@ public final class CraftServer implements Server {
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{
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return spigot;
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}
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+
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+ // Paper start
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+ @SuppressWarnings({"rawtypes", "unchecked"})
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+ public static boolean dumpHeap(File file) {
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+ public static java.nio.file.Path dumpHeap(java.nio.file.Path dir, String name) {
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+ try {
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+ if (file.getParentFile() != null) {
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+ file.getParentFile().mkdirs();
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+ java.nio.file.Files.createDirectories(dir);
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+
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+ javax.management.MBeanServer server = java.lang.management.ManagementFactory.getPlatformMBeanServer();
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+ java.nio.file.Path file;
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+
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+ try {
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+ Class clazz = Class.forName("openj9.lang.management.OpenJ9DiagnosticsMXBean");
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+ Object openj9Mbean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "openj9.lang.management:type=OpenJ9Diagnostics", clazz);
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+ java.lang.reflect.Method m = clazz.getMethod("triggerDumpToFile", String.class, String.class);
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+ file = dir.resolve(name + ".phd");
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+ m.invoke(openj9Mbean, "heap", file.toString());
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+ } catch (ClassNotFoundException e) {
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+ Class clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean");
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+ Object hotspotMBean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", clazz);
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+ java.lang.reflect.Method m = clazz.getMethod("dumpHeap", String.class, boolean.class);
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+ file = dir.resolve(name + ".hprof");
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+ m.invoke(hotspotMBean, file.toString(), true);
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+ }
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+
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+ Class clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean");
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+ javax.management.MBeanServer server = java.lang.management.ManagementFactory.getPlatformMBeanServer();
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+ Object hotspotMBean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", clazz);
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+ java.lang.reflect.Method m = clazz.getMethod("dumpHeap", String.class, boolean.class);
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+ m.invoke(hotspotMBean, file.getPath(), true);
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+ return true;
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+ return file;
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+ } catch (Throwable t) {
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+ Bukkit.getLogger().severe("Could not write heap to " + file);
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+ t.printStackTrace();
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+ return false;
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+ Bukkit.getLogger().log(Level.SEVERE, "Could not write heap", t);
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+ return null;
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+ }
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+ }
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+ // Paper end
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}
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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 e17d914185..f406464ef8 100644
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index e17d91418..f406464ef 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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@@ -128,6 +128,14 @@ public class Main {
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@ -670,7 +682,7 @@ index e17d914185..f406464ef8 100644
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};
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diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
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index 3949e659e8..7f0adb70d1 100644
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index 3949e659e..7f0adb70d 100644
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--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
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+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
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@@ -39,36 +39,36 @@ public class SpigotWorldConfig
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@ -717,5 +729,5 @@ index 3949e659e8..7f0adb70d1 100644
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config.addDefault( "world-settings.default." + path, def );
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return config.getString( "world-settings." + worldName + "." + path, config.getString( "world-settings.default." + path ) );
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--
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2.21.0
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2.22.0.windows.1
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