} catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to select a job by {}", id, e);
                }
                lastException = e;
                ThreadUtil.sleep(RandomUtils.nextLong(500, 5000));
            }
        }
        logger.warn("Failed to select a job by {}", id, lastException);
        return OptionalEntity.empty();

import org.apache.logging.log4j.Logger;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.jcifs.smb.SID;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for Samba-related operations.
 */
public class SambaHelper {

    private static final Logger logger = LogManager.getLogger(SambaHelper.class);

    /**

 * and ignored. Otherwise, they will be re-thrown as {@link CrawlerSystemException}.
 * </p>
 *
 */
public abstract class AbstractIntervalController implements IntervalController {

    private static final Logger logger = LogManager.getLogger(AbstractIntervalController.class);

    /**
     * Indicates whether exceptions during the delay process should be ignored.
     * If set to true, exceptions will be caught and ignored. If set to false,

                            if (logger.isDebugEnabled()) {
                                logger.debug("Authentication failed.");
                            }
                            return null;
                        }

                        final List<String> errors = auth.getErrors();
                        if (!errors.isEmpty()) {

    public AdminKeymatchAction() {
        super();
    }

    /** The role name for key match administration. */
    public static final String ROLE = "admin-keymatch";

    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(AdminKeymatchAction.class);

    // ===================================================================================

import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class ZipExtractorTest extends PlainTestCase {
    private static final Logger logger = LogManager.getLogger(ZipExtractorTest.class);

    public ZipExtractor zipExtractor;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

 */
package org.codelibs.core.concurrent;

import java.util.concurrent.ForkJoinPool;

import org.codelibs.core.log.Logger;

/**
 * Utility for common pool operations.
 */
public abstract class CommonPoolUtil {
    private static final Logger logger = Logger.getLogger(CommonPoolUtil.class);

    protected CommonPoolUtil() {
        // nothing
    }

    /**

 * Path mappings define URL path transformations and redirections for crawling and indexing.
 */
public class ApiAdminPathmapAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminPathmapAction.class);

    // ===================================================================================

 * Related content settings define content relationships and associations for search results.
 */
public class ApiAdminRelatedcontentAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminRelatedcontentAction.class);

    // ===================================================================================

            if (settings.getAsList("synonyms", null) != null) {
                logger.warn("synonyms values are empty.");
            } else if (settings.get("synonyms_path") != null) {
                logger.warn("synonyms_path[{}] is empty.", settings.get("synonyms_path"));
            } else {
                logger.debug("No synonym data.");
            }
        }
    }

    @Override