From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 5 Jul 2020 14:59:31 -0400
Subject: [PATCH] Don't check chunk for portal on world gen entity add


diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 29baae49888f030d136e99c44a5a55494606e471..91c3d5adb98f0ba004db51ea51942655ba8852c0 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2947,7 +2947,7 @@ public abstract class EntityLiving extends Entity {
         Entity entity = this.getVehicle();
 
         super.stopRiding(suppressCancellation); // Paper - suppress
-        if (entity != null && entity != this.getVehicle() && !this.world.isClientSide) {
+        if (entity != null && entity != this.getVehicle() && !this.world.isClientSide && entity.valid) { // Paper - don't process on world gen
             this.a(entity);
         }