Spigot-Server-Patches/0107-Don-t-lookup-game-profiles-that-have-no-UUID-and-no-.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sat, 16 Jul 2016 19:11:17 -0500
Subject: [PATCH] Don't lookup game profiles that have no UUID and no name


diff --git a/src/main/java/net/minecraft/server/UserCache.java b/src/main/java/net/minecraft/server/UserCache.java
index 4d3cbe3e517a75269d5c9cdd7f3751b81daee1c2..4f769211cf98c3da720a904da3dcdcd4c7611f0b 100644
--- a/src/main/java/net/minecraft/server/UserCache.java
+++ b/src/main/java/net/minecraft/server/UserCache.java
@@ -75,7 +75,7 @@ public class UserCache {
         };
 
         gameprofilerepository.findProfilesByNames(new String[]{s}, Agent.MINECRAFT, profilelookupcallback);
-        if (!d() && agameprofile[0] == null) {
+        if (!d() && agameprofile[0] == null && !org.apache.commons.lang3.StringUtils.isBlank(s)) { // Paper - Don't lookup a profile with a blank name
             UUID uuid = EntityHuman.a(new GameProfile((UUID) null, s));
             GameProfile gameprofile = new GameProfile(uuid, s);