return kuromojiService.getKuromojiFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                })).orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));
                    return null;
                });
    }

        return charMappingService.getCharMappingFile(body.dictId)
                .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                    file.writeOut(out);
                })).orElseGet(() -> {
                    throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));
                    return null;
                });

        final LabelType labelType = getLabelType(body).map(entity -> {
            try {
                labelTypeService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

        } catch (final StorageException e) {
            logger.warn("Failed to delete {}", id, e);
            throwValidationErrorApi(messages -> messages.addErrorsFailedToDeleteFile(GLOBAL, pi.getName()));
        }
        return null;
    }

    // curl -XPOST -H "Authorization: CHANGEME" localhost:8080/api/admin/storage/upload/ -F path=/ -F file=@...
    // POST /api/admin/storage/upload/{pathId}/
    @Execute

            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to select a job by {}", id, e);
                }
                lastException = e;
                ThreadUtil.sleep(RandomUtils.nextLong(500, 5000));
            }
        }
        logger.warn("Failed to select a job by {}", id, lastException);
        return OptionalEntity.empty();
    }

        final FileAuthentication fileAuth = getFileAuthentication(body).map(entity -> {
            try {
                fileAuthService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

        final WebAuthentication webAuth = getWebAuthentication(body).map(entity -> {
            try {
                webAuthService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

        });
        try {
            groupService.store(entity);
            saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

                } catch (final SuggesterException e) {
                    logger.warn("Failed to generate popular words.", e);
                }

                return wordList;
            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to load popular words.", e);
        }
        return Collections.emptyList();
    }

    public void clearCache() {

        Path filePath = ResourceUtil.getSitePath(path.replaceAll("\\.\\.+", StringUtil.EMPTY).replaceAll("/+", "/").split("/"));
        if (Files.isDirectory(filePath)) {
            filePath = filePath.resolve("index.html");
        }
        if (Files.exists(filePath)) {
            try (InputStream in = Files.newInputStream(filePath); ServletOutputStream out = response.getOutputStream()) {
                response.setStatus(HttpServletResponse.SC_OK);