* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - Required if you want to use the default template configuration.

    waiter2.join();
  }

  public void testRemoveWaiter_polling() throws Exception {
    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();

You can check it at <a href="http://127.0.0.1:9999/api/v1/docs" class="external-link" target="_blank">http://127.0.0.1:9999/api/v1/docs</a>:

<img src="/img/tutorial/behind-a-proxy/image02.png">

Right as we wanted it. ✔️

This is because FastAPI uses this `root_path` to create the default `server` in OpenAPI with the URL provided by `root_path`.

## Additional servers { #additional-servers }

/// warning

---

"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"

---

<div style="text-align: left; direction: ltr;">"Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted <strong>Hug</strong> to be - it's really inspiring to see someone build that."</div>

---

"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._"

    waiter2.join();
  }

  public void testRemoveWaiter_polling() throws Exception {
    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();

  `What IS a Caucus-race?' said Alice; not that she wanted much
to know, but the Dodo had paused as if it thought that SOMEBODY
ought to speak, and no one else seemed inclined to say anything.

  `Why,' said the Dodo, `the best way to explain it is to do it.'
(And, as you might like to try the thing yourself, some winter
day, I will tell you how the Dodo managed it.)

	}

	if !reflect.DeepEqual(got[0], want) && !reflect.DeepEqual(got[1], want) {
		t.Fatalf("got %s; want array containing %s", toJSONString(got), toJSONString(want))
	}

	if !reflect.DeepEqual(got[0], want2) && !reflect.DeepEqual(got[1], want2) {
		t.Errorf("got %s; want array containing %s", toJSONString(got), toJSONString(want2))
	}
}

func TestNilPointerSlice2(t *testing.T) {

    }
  }

  public void verifyBarFail(Method method, TwoArg bar) {
    try {
      new NullPointerTester().testMethod(bar, method);
    } catch (AssertionError expected) {
      return; // good...we wanted a failure
    }
    String errorMessage =
        rootLocaleFormat("Should have flagged method %s for %s", method.getName(), bar);
    fail(errorMessage);
  }