split(host, ",").get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).toArray(n -> new String[n]));
        final Builder builder = Settings.builder()
                .putList("http.hosts", hosts)
                .put("processors", fessConfig.availableProcessors())
                .put("http.heartbeat_interval", fessConfig.getFesenHeartbeatInterval());

        System.clearProperty("lasta.env");
        final List<String> ptList = pathMappingHelper.getProcessTypeList();
        assertEquals(2, ptList.size());
        assertTrue(ptList.contains(Constants.PROCESS_TYPE_DISPLAYING));
        assertTrue(ptList.contains(Constants.PROCESS_TYPE_BOTH));
    }

    @Test
    public void test_getProcessTypeList_nonCrawlerMode() {

        final List<String> ptList = new ArrayList<>();
        final String executeType = System.getProperty("lasta.env");
        if (Constants.EXECUTE_TYPE_CRAWLER.equalsIgnoreCase(executeType)) {
            ptList.add(Constants.PROCESS_TYPE_REPLACE);
        } else {
            ptList.add(Constants.PROCESS_TYPE_DISPLAYING);
            ptList.add(Constants.PROCESS_TYPE_BOTH);
        }

            // setup path mapping
            final List<String> ptList = new ArrayList<>();
            ptList.add(Constants.PROCESS_TYPE_CRAWLING);
            ptList.add(Constants.PROCESS_TYPE_BOTH);
            pathMappingHelper.setPathMappingList(options.sessionId, pathMappingService.getPathMappingList(ptList));

            // duplicate host
            try {

        pathMappingService = new PathMappingService() {
            @Override
            public List<org.codelibs.fess.opensearch.config.exentity.PathMapping> getPathMappingList(java.util.Collection<String> ptList) {
                return new ArrayList<>();
            }
        };
        crawler.pathMappingService = pathMappingService;

        crawlingInfoService = new CrawlingInfoService() {
            @Override