assertTrue(result);
        assertEquals("4 indices × 2 creates each (backup + rebuild)", 8, testClient.createdIndices.size());
        assertEquals("4 indices × 2 reindexes each (to backup + from backup)", 8, testClient.reindexPairs.size());
        assertEquals("4 indices × 2 deletes each (old + backup)", 8, testClient.deletedIndices.size());
    }

    @Test

```

### Importing Configuration

**Via Admin UI**:
1. **System > Backup > Upload**
2. Select `fess*.json` file
3. Click **Import**

**Via API**:
```bash
curl -X POST "http://localhost:8080/api/admin/backup/upload" \
  -u admin:admin \
  -F "file=@fess-config-backup.json"
```

### System Properties

Critical system settings in `system.properties`:

```properties

import jakarta.annotation.Resource;

/**
 * Admin action for Backup management.
 *
 */
public class AdminBackupAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminBackupAction() {
        super();
    }

    /**
     * The role for this action.
     */
    public static final String ROLE = "admin-backup";

    /**
     * Represents an API response containing a list of backup files.
     */
    public static class ApiBackupFilesResponse extends ApiResponse {
        /**
         * The list of backup files, where each file is represented by a map of strings.
         */
        protected List<Map<String, String>> files;
        /**
         * The total number of backup files.
         */
        protected long total = 0;

							<p><la:message key="labels.menu_search_list" /></p>
						</a></li></c:if>

					<c:if test="${fe:permission('admin-backup-view')}">
					<li class="nav-item">
						<a href="${fe:url('/admin/backup/')}" class="nav-link <c:if test="${param.menuType=='backup'}">active</c:if>" <c:if test="${param.menuType=='backup'}">aria-current="page"</c:if>>
							<i class='fa fa-download nav-icon' aria-hidden="true"></i>

	// Peek into a zip archive
	xMinIOExtract = "x-minio-extract"
)

// splitZipExtensionPath splits the S3 path to the zip file and the path inside the zip:
//
//	e.g  /path/to/archive.zip/backup-2021/myimage.png => /path/to/archive.zip, backup/myimage.png
func splitZipExtensionPath(input string) (zipPath, object string, err error) {
	idx := strings.Index(input, archivePattern)
	if idx < 0 {
		// Should never happen

    @Mock
    private CIFSContext mockCifsContext;

    private Handler handler;

    private Properties originalSystemProperties;

    @BeforeEach
    void setUp() throws Exception {
        // Backup system properties to restore them after each test
        originalSystemProperties = (Properties) System.getProperties().clone();
        // Reset static state of the Handler class before each test for isolation

    HtmlNext path_AdminAccesstoken_AdminAccesstokenEditJsp = new HtmlNext("/admin/accesstoken/admin_accesstoken_edit.jsp");

    /** The path of the HTML: /admin/backup/admin_backup.jsp */
    HtmlNext path_AdminBackup_AdminBackupJsp = new HtmlNext("/admin/backup/admin_backup.jsp");

    /** The path of the HTML: /admin/badword/admin_badword.jsp */

        assertEquals("/admin/accesstoken/admin_accesstoken_edit.jsp",
                FessHtmlPath.path_AdminAccesstoken_AdminAccesstokenEditJsp.getRoutingPath());
        assertEquals("/admin/backup/admin_backup.jsp", FessHtmlPath.path_AdminBackup_AdminBackupJsp.getRoutingPath());
        assertEquals("/admin/badword/admin_badword.jsp", FessHtmlPath.path_AdminBadword_AdminBadwordJsp.getRoutingPath());

errors.crud_failed_to_delete_crud_table=Failed to delete the data. ({0})
errors.crud_could_not_find_crud_table = The data {0} is not found.
errors.could_not_find_backup_index=Could not find any backup index.
errors.no_user_for_changing_password=The current password is not correct.
errors.failed_to_change_password=Failed to change your password.
errors.unknown_version_for_upgrade=Unknown version for upgrade.