}
        try {
            dataService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete data: {}", sessionId, e);
        }
    }

    @Override
    public void run() {
        if (dataService == null) {
            throw new FessSystemException("DataService is null.");
        }

        if (logger.isDebugEnabled()) {

import org.codelibs.fess.crawler.client.CrawlerClientFactory;
import org.codelibs.fess.crawler.entity.EsAccessResult;
import org.codelibs.fess.crawler.extractor.ExtractorFactory;
import org.codelibs.fess.crawler.service.DataService;
import org.codelibs.fess.dict.DictionaryManager;
import org.codelibs.fess.ds.DataStoreFactory;
import org.codelibs.fess.es.client.SearchEngineClient;
import org.codelibs.fess.exception.ContainerNotAvailableException;

        final EsUrlQueueService urlQueueService = ComponentUtil.getComponent(EsUrlQueueService.class);
        final EsDataService dataService = ComponentUtil.getComponent(EsDataService.class);

        try {
            // clear url filter
            urlFilterService.delete(sid);
        } catch (final Exception e) {

   * Example usage:
   *
   * <pre>{@code
   * FluentFuture<RowKey> rowKeyFuture = FluentFuture.from(indexService.lookUp(query));
   * ListenableFuture<QueryResult> queryFuture =
   *     rowKeyFuture.transformAsync(dataService::readFuture, executor);
   * }</pre>
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See

   * Example usage:
   *
   * <pre>{@code
   * ListenableFuture<RowKey> rowKeyFuture = indexService.lookUp(query);
   * ListenableFuture<QueryResult> queryFuture =
   *     transformAsync(rowKeyFuture, dataService::readFuture, executor);
   * }</pre>
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See
   * the warnings the {@link MoreExecutors#directExecutor} documentation.