<span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Waiting for application startup.
     <span style="background-color:#007166"><font color="#D3D7CF"> INFO </font></span>  Application startup complete.
```

</div>

Na saída, temos:

```hl_lines="4"
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

    return patternCompiler.isPcreLike();
  }

  private static PatternCompiler loadPatternCompiler() {
    // We want the JDK Pattern compiler:
    // - under Android (where it hurts startup performance)
    // - even for the JVM in our open-source release (https://github.com/google/guava/issues/3147)
    // If anyone in our monorepo uses the Android copy of Guava on a JVM, that would be unfortunate.

            this.flags = flags;
            this.timestamp = System.currentTimeMillis();
        }
    }

    /**
     * Start the mock witness service
     *
     * @throws IOException if service startup fails
     */
    public void start() throws IOException {
        serverSocket = new ServerSocket(0); // Use any available port
        running.set(true);

sk-attached-to-a-different-loop" class="external-link" target="_blank">MotorClient de MongoDB</a>), recuerda crear instances de objetos que necesiten un loop de eventos solo dentro de funciones async, por ejemplo, en un callback `'@app.on_event("startup")`.

///...

<span style="color: green;">INFO</span>:     Started server process [28722]
<span style="color: green;">INFO</span>:     Waiting for application startup.
<span style="color: green;">INFO</span>:     Application startup complete.
```

</div>

/// note | Hinweis

Der Befehl `uvicorn main:app` bezieht sich auf:

* `main`: die Datei `main.py` (das sogenannte Python-„Modul“).

sk-attached-to-a-different-loop" class="external-link" target="_blank">MongoDB's MotorClient</a>), то не забывайте инициализировать объекты, которым нужен цикл событий (event loop), только внутри асинхронных функций, например, в `'@app.on_event("startup")` callback.

///...

<font color="#4E9A06">INFO</font>:     Started server process [<font color="#06989A">2265873</font>]
<font color="#4E9A06">INFO</font>:     Waiting for application startup.
<font color="#4E9A06">INFO</font>:     Application startup complete.
```

</div>

En el resultado, hay una línea con algo como:

```hl_lines="4"
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [28720]
INFO:     Started server process [28722]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
```

</div>

<details markdown="1">
<summary>Про команди <code>uvicorn main:app --reload</code>...</summary>

Команда `uvicorn main:app` посилається на:

### Create Database Tables on Startup { #create-database-tables-on-startup }

We will create the database tables when the application starts.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[32:37] hl[35:37] *}

Here we create the tables on an application startup event.

        exit 1
    fi
}

start() {
    checkJava
    [ -x $exec ] || exit 5

    # Ensure that the PID_DIR exists (it is cleaned at OS startup time)
    if [ -n "$PID_DIR" ] && [ ! -e "$PID_DIR" ]; then
        mkdir -p "$PID_DIR" && chown "$FESS_USER":"$FESS_GROUP" "$PID_DIR"
    fi
    if [ -n "$pidfile" ] && [ ! -e "$pidfile" ]; then