} else {
                final BasicAttributes entry = new BasicAttributes();
                addUserAttributes(entry, user);
                final Attribute oc = fessConfig.getLdapAdminUserObjectClassAttribute();
                entry.put(oc);
                insert(userDN, entry, adminEnv);
            }
        });

        // groups and roles

    default Attribute getLdapAdminUserObjectClassAttribute() {
        final Attribute oc = new BasicAttribute("objectClass");
        split(getLdapAdminUserObjectClasses(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> oc.add(s.trim())));
        return oc;
    }

    String getLdapAdminUserFilter();

    default String getLdapAdminUserFilter(final String name) {