final Path jarPath = Paths.get(ResourceUtil.getPluginPath().toString(), fileName);
        if (!Files.exists(jarPath)) {
            throw new PluginException(fileName + " does not exist.");
        }

        switch (artifact.getType()) {
        case THEME:
            ComponentUtil.getThemeHelper().uninstall(artifact);
            uninstall(fileName, jarPath);
            break;

    //                                                                      ==============
    @Override
    protected AccessContextArranger newAccessContextArranger() { // for framework
        // fess does not use DBFlute, and this is unneeded so dummy
        return resource -> {
            final AccessContext context = new AccessContext();
            context.setAccessLocalDateTimeProvider(() -> timeManager.currentDateTime());

                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("Suggest creator does not work correctly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }

errors.could_not_find_log_file=Could not find {0}.
errors.failed_to_start_crawl_process=Failed to start a crawl process.
errors.invalid_design_jsp_file_name=Invalid JSP file.
errors.design_jsp_file_does_not_exist=JSP file does not exist.
errors.design_file_name_is_not_found=The file name is not specified.
errors.failed_to_write_design_image_file=Failed to upload an image file.
errors.failed_to_update_jsp_file=Failed to update a jsp file.

labels.system_info_prop_title=System Properties
labels.system_info_fess_prop_title=Fess Properties
labels.system_info_bug_report_title=Properties for Bug Report
labels.system_info_system_properties_does_not_exist=system.properties does not exist. Default values are applied.
labels.file_auth_configuration=File Authentication
labels.file_auth_list_hostname=Hostname
labels.file_auth_list_file_crawling_config=Config Name
labels.file_auth_any=Any

            try {
                webConfig = webConfigService.getWebConfig(getWebConfigId()).get();
            } catch (final Exception e) {
                logger.warn("Web Config {} does not exist.", getWebConfigId(), e);
            }
        }
        return webConfig;
    }

    public String getId() {
        return asDocMeta().id();
    }

    /** The key of the message: system.properties does not exist. Default values are applied. */
    public static final String LABELS_system_info_system_properties_does_not_exist =
            "{labels.system_info_system_properties_does_not_exist}";

    /** The key of the message: File Authentication */

                logger.info("Crawler is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("Crawler does not work correctly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (commandThread != null && commandThread.isAlive()) {
                commandThread.interrupt();
            }

labels.system_info_prop_title=Systemeigenschaften
labels.system_info_fess_prop_title=Fess-Eigenschaften
labels.system_info_bug_report_title=Eigenschaften für Bug-Report
labels.system_info_system_properties_does_not_exist=system.properties existiert nicht. Standardwerte werden angewendet.
labels.file_auth_configuration=Datei-Authentifizierung
labels.file_auth_list_hostname=Hostname

labels.system_info_prop_title	=	Propriétés du système
labels.system_info_fess_prop_title	=	Propriétés de FESS
labels.system_info_bug_report_title	=	Propriétés pour le rapport Bug
labels.system_info_system_properties_does_not_exist	=	system.properties n'existe pas. Les valeurs par défaut sont appliquées.
labels.file_auth_configuration	=	Authentification des fichiers
labels.file_auth_list_hostname	=	Hostname