Paper/Spigot-Server-Patches/0299-Add-Debug-Entities-option-to-debug-dupe-uuid-issues.patch
Aikar f51ad46686
Merge branch 'master' into pre/1.13
* master:
  Add some debug for entity slices
  Mark chunk dirty on entity changes
  Reduce and improve dupe uuid resolve message
  Add more entity debug info
  Bring some 1.13 authors to master
  Fixed more stuff
  Remove unsed method
  Extend player profile API to support skin changes
  Extend player profile API to support skin changes
2018-07-23 23:20:41 -04:00

108 lines
5.6 KiB
Diff

From 50bd6c799a35435682d288098ad5a3999f888f42 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
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index ea8684747..5fd0c0cf5 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -566,6 +566,14 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
NBTTagCompound nbttagcompound1 = new NBTTagCompound();
+ // Paper start
+ if (entity.getChunkX() != chunk.locX || entity.getChunkZ() != chunk.locZ) {
+ LogManager.getLogger().error(entity + " is not actually in this chunk! Report this to https://github.com/PaperMC/Paper/issues/1223", new Throwable());
+ }
+ if ((int)Math.floor(entity.locX) >> 4 != chunk.locX || (int)Math.floor(entity.locZ) >> 4 != chunk.locZ) {
+ LogManager.getLogger().error(entity + " will be leaving this chunk but saved to it. Report this to https://github.com/PaperMC/Paper/issues/1223", new Throwable());
+ }
+ // Paper end
if (entity.d(nbttagcompound1)) {
chunk.f(true);
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 47ce5cda7..b308f4416 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -71,6 +71,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
protected CraftEntity bukkitEntity;
EntityTrackerEntry tracker; // Paper
+ Throwable addedToWorldStack; // Paper - entity debug
public CraftEntity getBukkitEntity() {
if (bukkitEntity == null) {
bukkitEntity = CraftEntity.getEntity(world.getServer(), this);
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index b048343b7..747d99dbe 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -53,6 +53,10 @@ public class WorldServer extends World implements IAsyncTaskHandler {
private boolean Q;
// CraftBukkit start
+ private static final boolean DEBUG_ENTITIES = Boolean.getBoolean("debug.entities"); // Paper
+ private static Throwable getAddToWorldStackTrace(Entity entity) {
+ return new Throwable(entity + " Added to world at " + new java.util.Date());
+ }
public final int dimension;
// Add env and gen to constructor
@@ -980,6 +984,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
private boolean j(Entity entity) {
if (entity.dead) {
WorldServer.a.warn("Tried to add entity {} but it was marked as removed already: " + entity); // CraftBukkit // Paper
+ if (DEBUG_ENTITIES) getAddToWorldStackTrace(entity).printStackTrace();
return false;
} else {
UUID uuid = entity.getUniqueID();
@@ -991,8 +996,14 @@ public class WorldServer extends World implements IAsyncTaskHandler {
this.g.remove(entity1);
} else {
if (!(entity instanceof EntityHuman)) {
- WorldServer.a.error("Keeping entity {} that already exists with UUID {} - " + entity1, EntityTypes.getName(entity1.P()), uuid.toString()); // CraftBukkit // Paper
+ WorldServer.a.error("Keeping entity {} that already exists with UUID {}", entity1, uuid.toString()); // CraftBukkit // Paper
WorldServer.a.error("Deleting duplicate entity {}", entity); // Paper
+ if (DEBUG_ENTITIES) {
+ if (entity1.addedToWorldStack != null) {
+ entity1.addedToWorldStack.printStackTrace();
+ }
+ getAddToWorldStackTrace(entity).printStackTrace();
+ }
return false;
}
@@ -1009,7 +1020,25 @@ public class WorldServer extends World implements IAsyncTaskHandler {
protected void b(Entity entity) {
super.b(entity);
this.entitiesById.a(entity.getId(), entity);
- this.entitiesByUUID.put(entity.getUniqueID(), entity);
+ // Paper start
+ if (DEBUG_ENTITIES) {
+ entity.addedToWorldStack = getAddToWorldStackTrace(entity);
+ }
+
+ Entity old = this.entitiesByUUID.put(entity.getUniqueID(), entity);
+ if (old != null && old.getId() != entity.getId() && old.valid) {
+ Logger logger = LogManager.getLogger();
+ logger.error("Overwrote an existing entity " + old + " with " + entity);
+ if (DEBUG_ENTITIES) {
+ if (old.addedToWorldStack != null) {
+ old.addedToWorldStack.printStackTrace();
+ } else {
+ logger.error("Oddly, the old entity was not added to the world in the normal way. Plugins?");
+ }
+ entity.addedToWorldStack.printStackTrace();
+ }
+ }
+ // Paper end
Entity[] aentity = entity.bi();
if (aentity != null) {
--
2.18.0