Upstream/Paper
1
0
Fork 0
mirror of https://github.com/PaperMC/Paper.git synced 2024-12-29 12:27:59 +01:00
Code Issues Projects Releases Wiki Activity
772d430cd1
Paper/patches/server/0234-Add-Debug-Entities-option-to-debug-dupe-uuid-issues.patch
Nassim Jahnke c2b70338fc It compiles
2023-12-06 20:40:37 +01:00

130 lines
7.5 KiB
Diff
Raw Blame History

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 21 Jul 2018 08:25:40 -0400
Subject: [PATCH] Add Debug Entities option to debug dupe uuid issues
Add -Ddebug.entities=true to your JVM flags to gain more information
1.17: Needs to be reworked for new entity storage system
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index ea520b828378c268d05425096c6493ca1c7ad385..8d3a9f8210bf529484aeaf84ef9a55b54ce8f2af 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -879,6 +879,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
} else {
ChunkMap.TrackedEntity playerchunkmap_entitytracker = new ChunkMap.TrackedEntity(entity, i, j, entitytypes.trackDeltas());
+ entity.tracker = playerchunkmap_entitytracker; // Paper - Fast access to tracker
this.entityMap.put(entity.getId(), playerchunkmap_entitytracker);
playerchunkmap_entitytracker.updatePlayers(this.level.players());
if (entity instanceof ServerPlayer) {
@@ -921,7 +922,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (playerchunkmap_entitytracker1 != null) {
playerchunkmap_entitytracker1.broadcastRemoved();
}
-
+ entity.tracker = null; // Paper - We're no longer tracked
}
protected void tick() {
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index ac43aba1ae9420a2a02fd3d3e3d4426c04e76139..5ad90a3c6917d7435f6a1c284fc8acb0365457e3 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -223,6 +223,9 @@ public class ServerLevel extends Level implements WorldGenLevel {
public final LevelStorageSource.LevelStorageAccess convertable;
public final UUID uuid;
public boolean hasPhysicsEvent = true; // Paper
+ public static Throwable getAddToWorldStackTrace(Entity entity) {
+ return new Throwable(entity + " Added to world at " + new java.util.Date());
+ }
@Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
return this.chunkSource.getChunk(x, z, false);
@@ -1432,7 +1435,28 @@ public class ServerLevel extends Level implements WorldGenLevel {
// CraftBukkit start
private boolean addEntity(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
+ // Paper start
+ if (entity.valid) {
+ MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable());
+
+ if (DEBUG_ENTITIES) {
+ Throwable thr = entity.addedToWorldStack;
+ if (thr == null) {
+ MinecraftServer.LOGGER.error("Double add entity has no add stacktrace");
+ } else {
+ MinecraftServer.LOGGER.error("Double add stacktrace: ", thr);
+ }
+ }
+ return true;
+ }
+ // Paper end
if (entity.isRemoved()) {
+ // Paper start
+ if (DEBUG_ENTITIES) {
+ new Throwable("Tried to add entity " + entity + " but it was marked as removed already").printStackTrace(); // CraftBukkit
+ getAddToWorldStackTrace(entity).printStackTrace();
+ }
+ // Paper end
// WorldServer.LOGGER.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.getKey(entity.getType())); // CraftBukkit
return false;
} else {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 17cae197f76e02491791c55554bd57592a30aa1d..7be66f8649d6f6cb67e3b42e8f4fe739f0ff9f9f 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -239,6 +239,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
private CraftEntity bukkitEntity;
+ public @org.jetbrains.annotations.Nullable net.minecraft.server.level.ChunkMap.TrackedEntity tracker; // Paper
+ public @Nullable Throwable addedToWorldStack; // Paper - entity debug
public CraftEntity getBukkitEntity() {
if (this.bukkitEntity == null) {
this.bukkitEntity = CraftEntity.getEntity(this.level.getCraftServer(), this);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 4fb29ca40e1caba3f205afc13fb4d7a95fd81ce6..178509c545f2872174af501bdcec3314f703739c 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -153,6 +153,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public boolean pvpMode;
public boolean keepSpawnInMemory = true;
public org.bukkit.generator.ChunkGenerator generator;
+ public static final boolean DEBUG_ENTITIES = Boolean.getBoolean("debug.entities"); // Paper
public boolean preventPoiUpdated = false; // CraftBukkit - SPIGOT-5710
public boolean captureBlockStates = false;
diff --git a/src/main/java/net/minecraft/world/level/entity/EntityLookup.java b/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
index 21a2800db22f287b9c6a8290326fdf3b94ae94b1..d45d832232be5017dde53816191c2b1830a0da32 100644
--- a/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
+++ b/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
@@ -34,6 +34,26 @@ public class EntityLookup<T extends EntityAccess> {
UUID uUID = entity.getUUID();
if (this.byUuid.containsKey(uUID)) {
LOGGER.warn("Duplicate entity UUID {}: {}", uUID, entity);
+ // Paper start - extra debug info
+ if (entity instanceof net.minecraft.world.entity.Entity entityCast) {
+ if (net.minecraft.server.level.ServerLevel.DEBUG_ENTITIES) {
+ entityCast.addedToWorldStack = net.minecraft.server.level.ServerLevel.getAddToWorldStackTrace(entityCast);
+ }
+
+ T old = this.byUuid.get(entity.getUUID());
+ if (old instanceof net.minecraft.world.entity.Entity oldCast && old != null && oldCast.getId() != entity.getId() && oldCast.valid) {
+ LOGGER.error("Overwrote an existing entity " + oldCast + " with " + entity);
+ if (net.minecraft.server.level.ServerLevel.DEBUG_ENTITIES) {
+ if (oldCast.addedToWorldStack != null) {
+ oldCast.addedToWorldStack.printStackTrace();
+ } else {
+ LOGGER.error("Oddly, the old entity was not added to the world in the normal way. Plugins?");
+ }
+ entityCast.addedToWorldStack.printStackTrace();
+ }
+ }
+ }
+ // Paper end
} else {
this.byUuid.put(uUID, entity);
this.byId.put(entity.getId(), entity);
Reference in New Issue View Git Blame Copy Permalink