From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 12 Oct 2021 13:32:52 -0700
Subject: [PATCH] Null check isApplicable for CraftBlockEntityState#update

If the update call removed the TE, then isApplicable would
have NPE'd.

diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
index d2ff7e373476aaab0d4d08977c9d9f274fff67bf..a31162bbb37b79cb7f84956c91f2ef9efc4ededc 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
@@ -102,7 +102,7 @@ public abstract class CraftBlockEntityState<T extends BlockEntity> extends Craft
     }
 
     protected boolean isApplicable(BlockEntity tileEntity) {
-        return this.tileEntity.getClass() == tileEntity.getClass();
+        return tileEntity != null && this.tileEntity.getClass() == tileEntity.getClass(); // Paper - fix NPE if the TE was removed
     }
 
     @Override