accessResult1.setRuleId("htmlRule");
        accessResult1.setSessionId("id1");
        accessResult1.setStatus(200);
        accessResult1.setUrl("http://www.id1.com/");

        dataService.store(accessResult1);

        final OpenSearchAccessResult accessResult2 = dataService.getAccessResult("id1", "http://www.id1.com/");
        assertNotNull(accessResult2);

        accessResult2.setMimeType("text/html");

        // Create channels with zero scores (failed state)
        channel1.setState(ChannelState.FAILED);
        channel2.setState(ChannelState.FAILED);

        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));

        // Should still select a channel even with zero scores
        ChannelInfo selected = loadBalancer.selectChannel(mockMessage);

     */
    ROUND_ROBIN,

    /**
     * Select the least busy channel based on pending operations
     */
    LEAST_LOADED,

    /**
     * Weighted random selection based on channel scores
     */
    WEIGHTED_RANDOM,

    /**
     * Affinity-based selection for related operations
     */
    AFFINITY_BASED,

    /**
     * Adaptive selection based on operation type and performance

     */
    public OptionalEntity<KeyMatch> getKeyMatch(final String id) {
        return keyMatchBhv.selectByPK(id);
    }

    /**
     * Store a key match.
     *
     * @param keyMatch The key match to store.
     */
    public void store(final KeyMatch keyMatch) {

        keyMatchBhv.insertOrUpdate(keyMatch, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    /**

        return new ThreadPoolExecutor(nThreads, nThreads, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(nThreads),
                new ThreadPoolExecutor.CallerRunsPolicy());
    }

    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
        final CrawlerStatsHelper crawlerStatsHelper = ComponentUtil.getCrawlerStatsHelper();

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when an error occurs during data store operations.
 * This is a system-level exception that indicates problems with data store
 * configuration, connectivity, or data processing.
 */
public class DataStoreException extends FessSystemException {
    private static final long serialVersionUID = 1L;

            }
            return;
        }

        TimeoutTask task = null;
        try {
            if (scheduledJob.isLoggingEnabled()) {
                jobHelper.store(jobLog);
                task = jobHelper.startMonitorTask(jobLog);
            }

            if (logger.isDebugEnabled()) {

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/15.3/admin/scheduler-guide.html).

## Migration from another search provider

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

## Data Store

import java.util.Map;

/**
 * Interface for search log events in the Fess search system.
 *
 * This interface defines the contract for search log event objects that can be
 * written to log files or stored in the search index. Implementations include
 * search logs, click logs, favorite logs, and user information logs.
 */
public interface SearchLogEvent {
    /**
     * Gets the unique identifier for this search log event.

     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this elevate word configuration was last updated.
     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**