try (InputStream in = Files.newInputStream(path)) {
                    out.write(in);
                }
            });
        }
        throwValidationError(messages -> messages.addErrorsCouldNotFindLogFile(GLOBAL, filename), this::asIndexHtml);
        return redirect(getClass()); // no-op
    }

    /**
     * Gets a list of log file items for display in the admin interface.
     *

     * </pre>
     * @param property The property name for the message. (NotNull)
     * @param arg0 The parameter arg0 for message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsCouldNotFindLogFile(String property, String arg0) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_could_not_find_log_file, arg0));
        return this;
    }

    /**