final FessMessages messages1 = new FessMessages();
        messages1.addErrorsOperationAlreadyRunning("prop", "host1");
        assertFalse(messages1.isEmpty());

        final FessMessages messages2 = new FessMessages();
        messages2.addErrorsOperationAlreadyRunning("prop", "node1@host2");
        assertFalse(messages2.isEmpty());
    }

        if (fessConfig instanceof SimpleImpl) {
            final Properties prop = new Properties();
            ((SimpleImpl) fessConfig).keySet().stream().forEach(k -> prop.setProperty(k, fessConfig.get(k)));

            final ZipEntry entry = new ZipEntry(id + "/fess_config.properties");
            try {
                zos.putNextEntry(entry);
                prop.store(zos, getHostInfo());
            } catch (final IOException e) {

     */
    protected void parseProjectProperties(final Path propPath) {
        try (final InputStream in = Files.newInputStream(propPath)) {
            final Properties prop = new Properties();
            prop.load(in);
            version = prop.getProperty("fess.version", "0.0.0");
            final String[] values = version.split("\\.");
            majorVersion = Integer.parseInt(values[0]);