Print entity debug stacktrace on entity double add (#2438)

Spigot-Server-Patches/0254-Add-Debug-Entities-option-to-debug-dupe-uuid-issues.patch

@@ -1,4 +1,4 @@
-From e1dc1fc92f1d4e46ea41c274074713de49976a3c Mon Sep 17 00:00:00 2001
+From 25dd8434749412dffeb0e19d91868e66355c0f78 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
@@ -52,7 +52,7 @@ index e780f7af40..627fec10a8 100644
      public boolean captureBlockStates = false;
      public boolean captureTreeGeneration = false;
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index d8c49d95e1..93d1cf0683 100644
+index d8c49d95e1..97049aba9d 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -72,6 +72,9 @@ public class WorldServer extends World {
@@ -65,9 +65,26 @@ index d8c49d95e1..93d1cf0683 100644
  
      // Add env and gen to constructor
      public WorldServer(MinecraftServer minecraftserver, Executor executor, WorldNBTStorage worldnbtstorage, WorldData worlddata, DimensionManager dimensionmanager, GameProfilerFiller gameprofilerfiller, WorldLoadListener worldloadlistener, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
-@@ -942,6 +945,12 @@ public class WorldServer extends World {
+@@ -940,8 +943,28 @@ public class WorldServer extends World {
+     // CraftBukkit start
+     private boolean addEntity0(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
          org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
-         if (entity.valid) { MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable()); return true; } // Paper
+-        if (entity.valid) { MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable()); return true; } // Paper
++        // 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.dead) {
 +            // Paper start
 +            if (DEBUG_ENTITIES) {
@@ -78,7 +95,7 @@ index d8c49d95e1..93d1cf0683 100644
              // WorldServer.LOGGER.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.getName(entity.getEntityType())); // CraftBukkit
              return false;
          } else if (this.isUUIDTaken(entity)) {
-@@ -1107,7 +1116,24 @@ public class WorldServer extends World {
+@@ -1107,7 +1130,24 @@ public class WorldServer extends World {
                  }
              }
  

Spigot-Server-Patches/0268-Ignore-Dead-Entities-in-entityList-iteration.patch

@@ -1,4 +1,4 @@
-From 711732dece46935958e265cecf83aa9e2a70417d Mon Sep 17 00:00:00 2001
+From e34810a399ed8289a4615e526122c360569ca345 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sat, 28 Jul 2018 12:18:27 -0400
 Subject: [PATCH] Ignore Dead Entities in entityList iteration
@@ -63,7 +63,7 @@ index 701090c11e..7d579c119b 100644
      private float av;
      private float aw;
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 93d1cf0683..20fb20c2e7 100644
+index 97049aba9d..24f1a64420 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -851,7 +851,7 @@ public class WorldServer extends World {
@@ -75,7 +75,7 @@ index 93d1cf0683..20fb20c2e7 100644
              if (entity instanceof EntityInsentient) {
                  EntityInsentient entityinsentient = (EntityInsentient) entity;
  
-@@ -1144,6 +1144,7 @@ public class WorldServer extends World {
+@@ -1158,6 +1158,7 @@ public class WorldServer extends World {
                  entity.origin = entity.getBukkitEntity().getLocation();
              }
              // Paper end
@@ -83,7 +83,7 @@ index 93d1cf0683..20fb20c2e7 100644
              new com.destroystokyo.paper.event.entity.EntityAddToWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
          }
  
-@@ -1157,6 +1158,7 @@ public class WorldServer extends World {
+@@ -1171,6 +1172,7 @@ public class WorldServer extends World {
              this.removeEntityFromChunk(entity);
              this.entitiesById.remove(entity.getId());
              this.unregisterEntity(entity);
@@ -92,7 +92,7 @@ index 93d1cf0683..20fb20c2e7 100644
      }
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index 62240fbf92..a4df908bb9 100644
+index ced1ab2a3a..6a32480663 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -931,6 +931,7 @@ public class CraftWorld implements World {

Spigot-Server-Patches/0286-Send-nearby-packets-from-world-player-list-not-serve.patch

@@ -1,4 +1,4 @@
-From dd89fe6e7813bf8bb59dc7e9df0ea17cd5ad6218 Mon Sep 17 00:00:00 2001
+From a2ec2aff517ee056460a4c687877ec5589cf80dd Mon Sep 17 00:00:00 2001
 From: Mystiflow <mystiflow@gmail.com>
 Date: Fri, 6 Jul 2018 13:21:30 +0100
 Subject: [PATCH] Send nearby packets from world player list not server list
@@ -46,10 +46,10 @@ index 9e5cd22d7d..049d702cb9 100644
                  double d5 = d1 - entityplayer.locY;
                  double d6 = d2 - entityplayer.locZ;
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 20fb20c2e7..9172d08001 100644
+index 24f1a64420..0025e4ecfc 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
-@@ -1191,7 +1191,7 @@ public class WorldServer extends World {
+@@ -1205,7 +1205,7 @@ public class WorldServer extends World {
          }
          // CraftBukkit end
          this.globalEntityList.add(entitylightning);
@@ -58,7 +58,7 @@ index 20fb20c2e7..9172d08001 100644
      }
  
      @Override
-@@ -1323,7 +1323,7 @@ public class WorldServer extends World {
+@@ -1337,7 +1337,7 @@ public class WorldServer extends World {
              BlockActionData blockactiondata = (BlockActionData) this.I.removeFirst();
  
              if (this.a(blockactiondata)) {
@@ -68,7 +68,7 @@ index 20fb20c2e7..9172d08001 100644
          }
  
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
-index a4df908bb9..9a7b0076fc 100644
+index 6a32480663..267402c0d8 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
 @@ -1998,7 +1998,7 @@ public class CraftWorld implements World {

Spigot-Server-Patches/0322-Limit-lightning-strike-effect-distance.patch

@@ -1,4 +1,4 @@
-From e5cd8b14861c5e1e592df865cf45603cf7ed42bc Mon Sep 17 00:00:00 2001
+From c05bb2b751ecc6bc634dce146db5724df08e139b Mon Sep 17 00:00:00 2001
 From: Trigary <trigary0@gmail.com>
 Date: Fri, 14 Sep 2018 17:42:08 +0200
 Subject: [PATCH] Limit lightning strike effect distance
@@ -69,10 +69,10 @@ index 2ceee79cf2..27bf271bb5 100644
  
          --this.lifeTicks;
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 9172d08001..9d92fb2a3f 100644
+index 0025e4ecfc..b01af00c86 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
-@@ -1191,7 +1191,7 @@ public class WorldServer extends World {
+@@ -1205,7 +1205,7 @@ public class WorldServer extends World {
          }
          // CraftBukkit end
          this.globalEntityList.add(entitylightning);

Spigot-Server-Patches/0366-Entity-getEntitySpawnReason.patch

@@ -1,4 +1,4 @@
-From 8bdc3180009870d13123a44e540b385344e94458 Mon Sep 17 00:00:00 2001
+From 96966a820a0d86cf65fd11ce4d01850e23d8106a Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sun, 24 Mar 2019 00:24:52 -0400
 Subject: [PATCH] Entity#getEntitySpawnReason
@@ -72,7 +72,7 @@ index 65df0e7c8c..abddc8895e 100644
              });
  
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 9d92fb2a3f..c791ab686e 100644
+index b01af00c86..192b3be1f0 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -943,6 +943,7 @@ public class WorldServer extends World {
@@ -80,9 +80,9 @@ index 9d92fb2a3f..c791ab686e 100644
      private boolean addEntity0(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
          org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
 +        if (entity.spawnReason == null) entity.spawnReason = spawnReason; // Paper
-         if (entity.valid) { MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable()); return true; } // Paper
+         // Paper start
-         if (entity.dead) {
+         if (entity.valid) {
-             // Paper start
+             MinecraftServer.LOGGER.error("Attempted Double World add on " + entity, new Throwable());
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
 index 1cd3448e57..15042943c9 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

Spigot-Server-Patches/0384-Fix-issues-with-entity-loss-due-to-unloaded-chunks.patch

@@ -1,4 +1,4 @@
-From d975ee9db6feb4d152164a06a70ba7c3b7154c4a Mon Sep 17 00:00:00 2001
+From 0e9dbe2c59db9edfc72829af874179d9852437d3 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Fri, 28 Sep 2018 21:49:53 -0400
 Subject: [PATCH] Fix issues with entity loss due to unloaded chunks
@@ -19,7 +19,7 @@ This change ensures the chunks are always loaded when entities are
 added to the world, or a valid entity moves between chunks.
 
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index c791ab686e..51f697b2c9 100644
+index 192b3be1f0..82c3bc60d0 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -640,7 +640,7 @@ public class WorldServer extends World {
@@ -31,7 +31,7 @@ index c791ab686e..51f697b2c9 100644
                  entity.inChunk = false;
              } else {
                  this.getChunkAt(i, k).a(entity);
-@@ -961,7 +961,7 @@ public class WorldServer extends World {
+@@ -975,7 +975,7 @@ public class WorldServer extends World {
                  return false;
              }
              // CraftBukkit end

Spigot-Server-Patches/0385-Duplicate-UUID-Resolve-Option.patch

@@ -1,4 +1,4 @@
-From 8c38c2390cee11240ea12602dbbd440aeb5e0477 Mon Sep 17 00:00:00 2001
+From 0330cf125621b330638b4ecb80560a26fc409200 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sat, 21 Jul 2018 14:27:34 -0400
 Subject: [PATCH] Duplicate UUID Resolve Option
@@ -196,7 +196,7 @@ index 6379d2d84f..67d011745f 100644
  
                      if (list != null) {
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 51f697b2c9..e474237c24 100644
+index 82c3bc60d0..a6d0635ec1 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -2,6 +2,8 @@ package net.minecraft.server;
@@ -208,7 +208,7 @@ index 51f697b2c9..e474237c24 100644
  import com.google.common.collect.Lists;
  import com.google.common.collect.Maps;
  import com.google.common.collect.Queues;
-@@ -988,8 +990,23 @@ public class WorldServer extends World {
+@@ -1002,8 +1004,23 @@ public class WorldServer extends World {
          if (entity1 == null) {
              return false;
          } else {
@@ -234,7 +234,7 @@ index 51f697b2c9..e474237c24 100644
              return true;
          }
      }
-@@ -1122,7 +1139,7 @@ public class WorldServer extends World {
+@@ -1136,7 +1153,7 @@ public class WorldServer extends World {
              }
  
              Entity old = this.entitiesByUUID.put(entity.getUniqueID(), entity);

Spigot-Server-Patches/0387-Configurable-Keep-Spawn-Loaded-range-per-world.patch

@@ -1,4 +1,4 @@
-From 4848ceac96873ad5395abff0990c6e1238496749 Mon Sep 17 00:00:00 2001
+From e7c28cec58c772e07bd9ddb778afd32f1c9c41c5 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sat, 13 Sep 2014 23:14:43 -0400
 Subject: [PATCH] Configurable Keep Spawn Loaded range per world
@@ -103,10 +103,10 @@ index 3868572aed..ae77805f71 100644
      @Override
      public void a(ChunkCoordIntPair chunkcoordintpair) {
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index e474237c24..1003ea50d3 100644
+index a6d0635ec1..8ac49d8b91 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
-@@ -1499,13 +1499,85 @@ public class WorldServer extends World {
+@@ -1513,13 +1513,85 @@ public class WorldServer extends World {
          return ((PersistentIdCounts) this.getMinecraftServer().getWorldServer(DimensionManager.OVERWORLD).getWorldPersistentData().a(PersistentIdCounts::new, "idcounts")).a();
      }
  

Spigot-Server-Patches/0404-Mark-entities-as-being-ticked-when-notifying-navigat.patch

@@ -1,14 +1,14 @@
-From 57c0b62fe62dee94a1677e7882991f2f86b3536e Mon Sep 17 00:00:00 2001
+From c9ebdc9e0b94a5c9a4f56cd940ce9c99ac7230e5 Mon Sep 17 00:00:00 2001
 From: Shane Freeder <theboyetronic@gmail.com>
 Date: Sun, 28 Jul 2019 00:51:11 +0100
 Subject: [PATCH] Mark entities as being ticked when notifying navigation
 
 
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 7faa5dd84a..451ad4f32b 100644
+index 1e5b15c2e2..84c16e2750 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
-@@ -1311,6 +1311,7 @@ public class WorldServer extends World {
+@@ -1325,6 +1325,7 @@ public class WorldServer extends World {
          VoxelShape voxelshape1 = iblockdata1.getCollisionShape(this, blockposition);
  
          if (VoxelShapes.c(voxelshape, voxelshape1, OperatorBoolean.NOT_SAME)) {
@@ -16,7 +16,7 @@ index 7faa5dd84a..451ad4f32b 100644
              Iterator iterator = this.H.iterator();
  
              while (iterator.hasNext()) {
-@@ -1321,6 +1322,7 @@ public class WorldServer extends World {
+@@ -1335,6 +1336,7 @@ public class WorldServer extends World {
                  }
              }