/// info | Información

Puedes leer más sobre los manejadores `lifespan` de Starlette en <a href="https://www.starlette.dev/lifespan/" class="external-link" target="_blank">la documentación de `Lifespan` de Starlette</a>.

///

## Multiple Workers { #multiple-workers }

You can start multiple workers with the `--workers` command line option:

//// tab | `fastapi`

If you use the `fastapi` command:

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> run --workers 4 <u style="text-decoration-style:solid">main.py</u>

import java.io.Serializable;
import java.util.List;

import org.codelibs.fess.util.ComponentUtil;

/**
 * Pager class for character mapping management with pagination support.
 * Provides pagination functionality for character mapping lists.
 */
public class CharMappingPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /** Total number of records across all pages. */

import java.util.List;

import org.codelibs.fess.util.ComponentUtil;

/**
 * Pager for managing stopwords pagination.
 * This class handles the state and logic for paginating through a list of stopwords,
 * including total record count, page size, and current page number.
 */
public class StopwordsPager implements Serializable {

    /**
     * Constructs a new pager for stopwords.
     */
    public StopwordsPager() {

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing request headers used in web crawling configurations.
 * This service provides CRUD operations for request headers that are applied
 * during web crawling to configure HTTP request behavior.
 *
 */
public class RequestHeaderService {

    /**
     * Behavior for request header database operations.
     */

import javax.xml.validation.SchemaFactory;

import org.codelibs.core.exception.SAXRuntimeException;
import org.xml.sax.SAXException;

/**
 * Utility class for {@link Schema}.
 *
 * @author koichik
 */
public abstract class SchemaUtil {

    /**
     * Do not instantiate.
     */
    protected SchemaUtil() {
    }

    /**
     * Generates a {@link Schema} for W3C XML Schema from a file.

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;

import org.codelibs.core.misc.Base64Util;

/**
 * Utility class for conversions related to {@link String}.
 *
 * @author higa
 */
public abstract class StringConversionUtil {

    /**
     * Do not instantiate.
     */
    protected StringConversionUtil() {
    }

    /** WAVE DASH */

import org.lastaflute.web.ruts.process.ActionRuntime;

/**
 * The provider of action adjustment.
 *
 * @author jflute
 */
public class FessActionAdjustmentProvider implements ActionAdjustmentProvider {

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

    // _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
    // you can adjust your actions by overriding

import jcifs.smb1.ntlmssp.Type1Message;
import jcifs.smb1.ntlmssp.Type2Message;
import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.smb1.NtlmPasswordAuthentication;
import jcifs.smb1.util.Base64;

/**
 * This class is used internally by {@code NtlmHttpFilter},
 * {@code NtlmServlet}, and {@code NetworkExplorer} to negiotiate password
 * hashes via NTLM SSP with MSIE. It might also be used directly by servlet

import okhttp3.Request;
import okhttp3.Response;

/**
 * This prints events for a single in-flight call. It won't work for multiple concurrent calls
 * because we don't know what callStartNanos refers to.
 */
public final class PrintEventsNonConcurrent {
  private final OkHttpClient client = new OkHttpClient.Builder()
      .eventListener(new PrintingEventListener())
      .build();

  public void run() throws Exception {