mirror of
https://github.com/PaperMC/Paper.git
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f4e3b4e439
Upstream has released updates that appears 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: 5b680f0b Note maximum objective score length in documentation CraftBukkit Changes:5932f8a7Load default world spawn areas in consistent order3a5dc78fFix confusing migration message appearing on fresh server516a408fRemove redundant CraftBukkit change for secondary world data73a2c749Process conversation input on the main thread.100c3f07Cap Objective Score Length6e842759Cross World Entity Teleportation7deba1c6Check for blank OfflinePlayer Namesf2746a5eDescriptive kick reasons instead of Nope!b0212308Cap Channel Registrationsa610dcd8Identify CraftScheduler threads with useful names Spigot Changes: 19c3c5a5 Rebuild patches
108 lines
5.5 KiB
Diff
108 lines
5.5 KiB
Diff
From cdaad3be415687f19b4ccaab36655985e943c5a0 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 21 Jul 2018 08:25:40 -0400
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Subject: [PATCH] Add Debug Entities option to debug dupe uuid issues
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Add -Ddebug.entities=true to your JVM flags to gain more information
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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 d98bb4c6d..aee88f718 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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@@ -71,6 +71,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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protected CraftEntity bukkitEntity;
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EntityTrackerEntry tracker; // Paper
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+ Throwable addedToWorldStack; // Paper - entity debug
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public CraftEntity getBukkitEntity() {
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if (bukkitEntity == null) {
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bukkitEntity = CraftEntity.getEntity(world.getServer(), this);
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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 84efc1cc3..601fe77c5 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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@@ -110,6 +110,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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public boolean pvpMode;
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public boolean keepSpawnInMemory = true;
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public ChunkGenerator generator;
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+ public static final boolean DEBUG_ENTITIES = Boolean.getBoolean("debug.entities"); // Paper
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public boolean captureBlockStates = false;
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public boolean captureTreeGeneration = false;
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index ac8c7e6c4..a4895bd55 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -51,6 +51,9 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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// CraftBukkit start
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public final DimensionManager dimension;
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+ private static Throwable getAddToWorldStackTrace(Entity entity) {
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+ return new Throwable(entity + " Added to world at " + new java.util.Date());
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+ }
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// Add env and gen to constructor
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public WorldServer(MinecraftServer minecraftserver, IDataManager idatamanager, PersistentCollection persistentcollection, WorldData worlddata, DimensionManager dimensionmanager, MethodProfiler methodprofiler, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
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@@ -952,7 +955,12 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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private boolean j(Entity entity) {
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if (entity.dead) {
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- // WorldServer.a.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.getName(entity.P())); // CraftBukkit
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+ // Paper start
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+ if (DEBUG_ENTITIES) {
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+ new Throwable("Tried to add entity " + entity + " but it was marked as removed already").printStackTrace(); // CraftBukkit
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+ getAddToWorldStackTrace(entity).printStackTrace();
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+ }
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+ // Paper end
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return false;
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} else {
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UUID uuid = entity.getUniqueID();
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@@ -964,8 +972,15 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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this.g.remove(entity1);
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} else {
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if (!(entity instanceof EntityHuman)) {
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- WorldServer.a.error("Keeping entity {} that already exists with UUID {} - " + entity1, EntityTypes.getName(entity1.P()), uuid.toString()); // CraftBukkit // Paper
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- WorldServer.a.error("Deleting duplicate entity {}", entity); // Paper
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+ if (DEBUG_ENTITIES) {
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+ WorldServer.a.error("Keeping entity {} that already exists with UUID {}", entity1, uuid.toString()); // CraftBukkit // Paper
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+ WorldServer.a.error("Deleting duplicate entity {}", entity); // Paper
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+
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+ if (entity1.addedToWorldStack != null) {
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+ entity1.addedToWorldStack.printStackTrace();
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+ }
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+ getAddToWorldStackTrace(entity).printStackTrace();
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+ }
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return false;
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}
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@@ -982,7 +997,25 @@ public class WorldServer extends World implements IAsyncTaskHandler {
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protected void b(Entity entity) {
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super.b(entity);
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this.entitiesById.a(entity.getId(), entity);
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- this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ // Paper start
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+ if (DEBUG_ENTITIES) {
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+ entity.addedToWorldStack = getAddToWorldStackTrace(entity);
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+ }
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+
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+ Entity old = this.entitiesByUUID.put(entity.getUniqueID(), entity);
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+ if (old != null && old.getId() != entity.getId() && old.valid) {
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+ Logger logger = LogManager.getLogger();
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+ logger.error("Overwrote an existing entity " + old + " with " + entity);
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+ if (DEBUG_ENTITIES) {
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+ if (old.addedToWorldStack != null) {
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+ old.addedToWorldStack.printStackTrace();
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+ } else {
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+ logger.error("Oddly, the old entity was not added to the world in the normal way. Plugins?");
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+ }
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+ entity.addedToWorldStack.printStackTrace();
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+ }
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+ }
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+ // Paper end
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Entity[] aentity = entity.bi();
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if (aentity != null) {
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--
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2.20.1
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