logger.warn("Failed to delete temporary file: {}", tempFile.getAbsolutePath());
            }
            throwValidationError(messages -> messages.addErrorsFileIsNotSupported(GLOBAL, fileName), this::asListHtml);
        }
        saveInfo(messages -> messages.addSuccessBulkProcessStarted(GLOBAL));
        return redirect(getClass()); // no-op
    }

    /**