* @param form the search form
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "duplicateHostItems", duplicateHostService.getDuplicateHostList(duplicateHostPager)); // page navi

        // restore from pager
        copyBeanToBean(duplicateHostPager, form, op -> op.include("regularName", "duplicateHostName"));
    }

        }
        try {
            final DuplicateHostService duplicateHostService = ComponentUtil.getComponent(DuplicateHostService.class);
            duplicateHostList.addAll(duplicateHostService.getDuplicateHostList());
        } catch (final AutoBindingFailureException e) {
            logger.warn("DuplicateHostService is not found.", e);
        }
    }

    /**
     * Sets the list of duplicate host rules.
     *