From 2446ca3b5d668143e01e8cb6a3b287854bb9e7d1 Mon Sep 17 00:00:00 2001
From: gregw <gregw@webtide.com>
Date: Wed, 28 Oct 2020 15:21:57 +0100
Subject: [PATCH] Fixes #5521 ResourceCollection list NPE

Fix from review. remove duplicate line.
---
 .../java/org/eclipse/jetty/util/resource/ResourceCollection.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/jetty-util/src/main/java/org/eclipse/jetty/util/resource/ResourceCollection.java b/jetty-util/src/main/java/org/eclipse/jetty/util/resource/ResourceCollection.java
index 4b8b8818d179..3f080072465a 100644
--- a/jetty-util/src/main/java/org/eclipse/jetty/util/resource/ResourceCollection.java
+++ b/jetty-util/src/main/java/org/eclipse/jetty/util/resource/ResourceCollection.java
@@ -440,7 +440,6 @@ public String[] list()
             String[] list = r.list();
             if (list != null)
                 Collections.addAll(set, list);
-            Collections.addAll(set, r.list());
         }
         String[] result = set.toArray(new String[0]);
         Arrays.sort(result);