opendj-server-legacy/src/main/java/org/opends/server/backends/NullBackend.java
@@ -163,10 +163,7 @@ public synchronized void openBackend() throws ConfigException, InitializationException { baseDNSet = new HashSet<>(); for (DN dn : baseDNs) { baseDNSet.add(dn); } Collections.addAll(baseDNSet, baseDNs); // Register base DNs. for (DN dn : baseDNs)