final DuplicateHostService duplicateHostService = ComponentUtil.getComponent(DuplicateHostService.class);
        duplicateHostList.addAll(duplicateHostService.getDuplicateHostList());
    }

    public void setDuplicateHostList(final List<DuplicateHost> duplicateHostList) {
        this.duplicateHostList = duplicateHostList;
    }

    public void add(final DuplicateHost duplicateHost) {
        if (duplicateHostList == null) {