From 8f92e3f217cea3e4f4e233446f4b4368946fd734 Mon Sep 17 00:00:00 2001
From: Dylan Keir <jinjaproductionz@gmail.com>
Date: Fri, 29 Dec 2017 14:46:09 +0000
Subject: [PATCH] Fix JDK9 issue (#1713)

---
 Essentials/src/com/earth2me/essentials/UserMap.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Essentials/src/com/earth2me/essentials/UserMap.java b/Essentials/src/com/earth2me/essentials/UserMap.java
index ebef7c2c0..9ee56e767 100644
--- a/Essentials/src/com/earth2me/essentials/UserMap.java
+++ b/Essentials/src/com/earth2me/essentials/UserMap.java
@@ -190,7 +190,7 @@ public class UserMap extends CacheLoader<String, User> implements IConf {
     }
 
     public Set<UUID> getAllUniqueUsers() {
-        return Collections.unmodifiableSet(keys.clone());
+        return Collections.unmodifiableSet(keys);
     }
 
     public int getUniqueUsers() {