Add check to avoid adding empty array of values to an item.

mwoodiupui · Jan 15, 2025 · 6e0124f · 6e0124f
1 parent b2310c8
commit 6e0124f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/dspace-api/src/main/java/org/dspace/identifier/VersionedDOIIdentifierProvider.java b/dspace-api/src/main/java/org/dspace/identifier/VersionedDOIIdentifierProvider.java
@@ -355,7 +355,10 @@ void removePreviousVersionDOIsOutOfObject(Context c, Item item, String oldDoi)
         if (changed) {
             try {
                 itemService.clearMetadata(c, item, MD_SCHEMA, DOI_ELEMENT, DOI_QUALIFIER, Item.ANY);
-                itemService.addMetadata(c, item, MD_SCHEMA, DOI_ELEMENT, DOI_QUALIFIER, null, newIdentifiers);
+                // Checks if Array newIdentifiers is empty to avoid adding null values to the metadata field.
+                if (!newIdentifiers.isEmpty()) {
+                    itemService.addMetadata(c, item, MD_SCHEMA, DOI_ELEMENT, DOI_QUALIFIER, null, newIdentifiers);
+                }
                 itemService.update(c, item);
             } catch (SQLException ex) {
                 throw new RuntimeException("A problem with the database connection occurred.", ex);