[![Java CI with Maven](https://github.com/codelibs/fess-crawler/actions/workflows/maven.yml/badge.svg)](https://github.com/codelibs/fess-crawler/actions/workflows/maven.yml)
=======

## Overview

        }

        if (cae.isDebugEnabled()) {
            logger.debug("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);
        } else if (cae.isInfoEnabled()) {
            logger.info("[{}] {}", failureUrlId, cae.getMessage());
        } else if (cae.isWarnEnabled()) {
            logger.warn("[{}] Crawling Access Exception at {}", failureUrlId, urlQueue.getUrl(), cae);

        final StringBuilder resultBuf = new StringBuilder();

        // purge crawling sessions
        try {
            crawlingInfoService.deleteBefore(systemHelper.getCurrentTimeAsLong());
        } catch (final Exception e) {
            logger.error("Failed to purge crawling sessions.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        // purge search logs

You can register crawling targets in the Admin UI on the (Web, File, Data Store) crawler configuration pages, and then start the Crawler manually on the [Scheduler page](https://fess.codelibs.org/14.17/admin/scheduler-guide.html).

## Migration from another search provider

Please see [MIGRATION.md](MIGRATION.md).

## Data Store

    protected ThreadLocal<String[]> sitemapsLocal = new ThreadLocal<>();

    /** The number of a thread */
    protected int numOfThread = 10;

    protected int maxThreadCheckCount = 20;

    /** a max depth for crawling. -1 is no depth check. */
    protected int maxDepth = -1;

    /** a max count to access urls. 0 is no limit to access it. */
    protected long maxAccessCount = 0;

    public String getSessionId() {

        if (sessionId == null) {
            return null;
        }
        return pathMappingMap.get(sessionId);
    }

    public String replaceUrl(final String sessionId, final String url) { // for crawling
        final List<PathMapping> pathMappingList = getPathMappingList(sessionId);
        if (pathMappingList == null) {
            return url;
        }
        return replaceUrl(pathMappingList, url);
    }

import org.codelibs.fess.crawler.service.UrlQueueService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jakarta.annotation.Resource;

/**
 * Crawler manages/controls a crawling information.
 *
 * @author shinsuke
 *
 */
public class Crawler implements Runnable, AutoCloseable {

    private static final Logger logger = LoggerFactory.getLogger(Crawler.class);

    @Resource

        Queue<String> queue = getUrls();

        String url;
        int count = 0;
        while((url = queue.poll()) != null && count < max) {

            try {
                Logger.info("crawling: " + url);
                HttpUriRequest request = new HttpGet(url);
                HttpResponse response = httpClient.execute(request);
                if(response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {

                if (logger.isDebugEnabled()) {
                    logger.debug("Canceled urlQueue: {}", urlQueue);
                }
                // cancel crawling
                crawlerContext.decrementAndGetAccessCount();
                final List<UrlQueue<?>> newUrlQueueList = new ArrayList<>();
                newUrlQueueList.add(urlQueue);

    }

    @Test
    void searchListTest() {
        logger.info("start searchListTest");
        testReadSearchList();
        testDeleteSearchList();
    }

    /**
     * Methods for a Web Crawling Job
     * */
    private static void createWebConfig() {
        final Map<String, Object> requestBody = new HashMap<>();
        final String urls = "https://www.codelibs.org/" + "\n" + "http://failure.url";