From 651c92dab7bebb2bb6b8a0e8abf3139a36526e8a Mon Sep 17 00:00:00 2001
From: Vincenzo Mecca <vincenzo.mecca@4science.com>
Date: Tue, 30 Apr 2024 16:10:04 +0200
Subject: [PATCH] [DSC-1631] Fixes ItemAuthorityIT failure

---
 .../src/main/java/org/dspace/util/ItemAuthorityUtils.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dspace-api/src/main/java/org/dspace/util/ItemAuthorityUtils.java b/dspace-api/src/main/java/org/dspace/util/ItemAuthorityUtils.java
index 595994bde67..462b737d2d0 100644
--- a/dspace-api/src/main/java/org/dspace/util/ItemAuthorityUtils.java
+++ b/dspace-api/src/main/java/org/dspace/util/ItemAuthorityUtils.java
@@ -12,6 +12,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeSet;
 
 import org.apache.solr.common.SolrDocument;
 import org.dspace.content.authority.Choice;
@@ -37,7 +38,7 @@ public static Map<String, String> buildExtra(String authorityName, SolrDocument
                 extras.putAll(extrasTmp);
             }
         }
-        Set<String> alternativeNames = Set.copyOf(objectNames);
+        Set<String> alternativeNames = new TreeSet<>(objectNames);
         if (alternativeNames.size() > 1) {
             String alternativeNameKey = "alternative-names";
             alternativeNames.forEach(alternativeName -> {