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Paper/Spigot-Server-Patches/0452-Prevent-Double-PlayerChunkMap-adds-crashing-server.patch
Aikar 827cc63263
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
ffc8e4ca SPIGOT-5716: Clarify documentation of MultipleFacing

CraftBukkit Changes:
d07a78b1 SPIGOT-5716: Clarify documentation of MultipleFacing
46a13860 SPIGOT-5718: Block.BreakBlockNaturally does not reflect tool used
214ffea9 SPIGOT-5727: GameRule doImmediateRespawn cannot be set per-world

Spigot Changes:
2f5d615f SPIGOT-5730: Modernise inventory patch
a2bdb119 SPIGOT-5679: Add config option for end portal activation sound

Closes #3352
2020-05-12 01:27:07 -04:00

49 Zeilen
2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 2 Apr 2020 01:42:39 -0400
Subject: [PATCH] Prevent Double PlayerChunkMap adds crashing server
Suspected case would be around the technique used in .stopRiding
Stack will identify any causer of this and warn instead of crashing.
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 6eb055913177b0c01a027b2b356190dc561072c5..4beae504c875767ff00e26461fe7240498750e27 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -1446,6 +1446,14 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
protected void addEntity(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity track"); // Spigot
+ // Paper start - ignore and warn about illegal addEntity calls instead of crashing server
+ if (!entity.valid || entity.world != this.world || this.trackedEntities.containsKey(entity.getId())) {
+ new Throwable("[ERROR] Illegal PlayerChunkMap::addEntity for world " + this.world.getWorld().getName()
+ + ": " + entity + (this.trackedEntities.containsKey(entity.getId()) ? " ALREADY CONTAINED (This would have crashed your server)" : ""))
+ .printStackTrace();
+ return;
+ }
+ // Paper end
if (!(entity instanceof EntityComplexPart)) {
if (!(entity instanceof EntityLightning)) {
EntityTypes<?> entitytypes = entity.getEntityType();
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 255650fc6adcd81df2ee063209d2098745e45e39..c1e3c5ad7bbadedf01f7bd9162602398b81005a2 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1463,7 +1463,7 @@ public class WorldServer extends World {
}
}
- this.getChunkProvider().addEntity(entity);
+ // this.getChunkProvider().addEntity(entity); // Paper - moved down below valid=true
// CraftBukkit start - SPIGOT-5278
if (entity instanceof EntityDrowned) {
this.navigators.add(((EntityDrowned) entity).navigationWater);
@@ -1474,6 +1474,7 @@ public class WorldServer extends World {
this.navigators.add(((EntityInsentient) entity).getNavigation());
}
entity.valid = true; // CraftBukkit
+ this.getChunkProvider().addEntity(entity); // Paper - from above to be below valid=true
// Paper start - Set origin location when the entity is being added to the world
if (entity.origin == null) {
entity.origin = entity.getBukkitEntity().getLocation();