@Override
  public Object clone() throws CloneNotSupportedException {
    DistributionLocatorConfigImpl clone = (DistributionLocatorConfigImpl) super.clone();
    clone.locator = null;
    return clone;
  }
Currently, listeners are not supported on the locator config.
geode-core/src/main/java/org/apache/geode/admin/internal/DistributionLocatorConfigImpl.java