@Override
            public String getMailReturnPath() {
                return "******@****.***";
            }

            @Override
            public Integer getCrawlerSystemMonitorIntervalAsInteger() {
                return 60000;
            }
        };
        ComponentUtil.register(fessConfig, "fessConfig");

        File propFile = File.createTempFile("test", ".properties");

            commandThread.start();

            systemMonitorTask = TimeoutManager.getInstance()
                    .addTimeoutTarget(new SystemMonitorTarget(), ComponentUtil.getFessConfig().getCrawlerSystemMonitorIntervalAsInteger(),
                            true);

            if (options.hotThread != null) {