PaperMC/Unmapped-Spigot-Server-Patches/0641-Empty-commands-shall-not-be-dispatched.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Wed, 6 Jan 2021 23:38:43 +0100
Subject: [PATCH] Empty commands shall not be dispatched


diff --git a/src/main/java/net/minecraft/commands/CommandDispatcher.java b/src/main/java/net/minecraft/commands/CommandDispatcher.java
index a13c684e1360169993f323aa4aa91078c5e8b031..978d3b79b5f953e67263598dff09bcb40b6e3f31 100644
--- a/src/main/java/net/minecraft/commands/CommandDispatcher.java
+++ b/src/main/java/net/minecraft/commands/CommandDispatcher.java
@@ -223,6 +223,7 @@ public class CommandDispatcher {
         command = event.getCommand();
 
         String[] args = command.split(" ");
+        if (args.length == 0) return 0; // Paper - empty commands shall not be dispatched
 
         String cmd = args[0];
         if (cmd.startsWith("minecraft:")) cmd = cmd.substring("minecraft:".length());