Paper/Spigot-Server-Patches/0449-Don-t-crash-if-player-is-attempted-to-be-removed-fro.patch
Gabscap 7ae47d4eb3
[CI-SKIP] Remove Waving banner fix (#4786)
Mojang fixed it in MC-63720
2020-11-19 10:15:16 -05:00

24 lines
1.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 18 Apr 2020 15:59:41 -0400
Subject: [PATCH] Don't crash if player is attempted to be removed from
untracked chunk.
I suspect it deals with teleporting as it uses players current x/y/z
diff --git a/src/main/java/net/minecraft/server/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
index d15bf949671c9a533573278d573376282bfed8c8..275c2b23b4d1ff09ee2b1823d0780700f773659e 100644
--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
@@ -238,8 +238,8 @@ public abstract class ChunkMapDistance {
long i = sectionposition.r().pair();
ObjectSet<EntityPlayer> objectset = (ObjectSet) this.c.get(i);
- objectset.remove(entityplayer);
- if (objectset.isEmpty()) {
+ if (objectset != null) objectset.remove(entityplayer); // Paper - some state corruption happens here, don't crash, clean up gracefully.
+ if (objectset == null || objectset.isEmpty()) { // Paper
this.c.remove(i);
this.f.update(i, Integer.MAX_VALUE, false);
this.g.update(i, Integer.MAX_VALUE, false);