PaperMC/patches/server/0104-Don-t-lookup-game-profiles-that-have-no-UUID-and-no-.patch

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/players/GameProfileCache.java b/src/main/java/net/minecraft/server/players/GameProfileCache.java
index ee43e87fca2a8ac3f63bc2f8ffcf15be373195e9..1a97dd1f9b9fcc5809aa3f103bc6efd5a548670f 100644
--- a/src/main/java/net/minecraft/server/players/GameProfileCache.java
+++ b/src/main/java/net/minecraft/server/players/GameProfileCache.java
@@ -90,6 +90,7 @@ public class GameProfileCache {
                 }
             };
 
+        if (!org.apache.commons.lang3.StringUtils.isBlank(name)) // Paper - Don't lookup a profile with a blank name)
             repository.findProfilesByNames(new String[]{name}, profilelookupcallback);
             GameProfile gameprofile = (GameProfile) atomicreference.get();