# Eski 403 Kimlik Doğrulama Hata Durum Kodlarını Kullanma { #use-old-403-authentication-error-status-codes }

FastAPI `0.122.0` sürümünden önce, entegre security yardımcı araçları başarısız bir kimlik doğrulama (authentication) sonrasında client'a bir hata döndüğünde HTTP durum kodu olarak `403 Forbidden` kullanıyordu.

Haló
svět

it's getting!'  She was close behind it when she turned the
corner, but the Rabbit was no longer to be seen:  she found
herself in a long, low hall, which was lit up by a row of lamps
hanging from the roof.

  There were doors all round the hall, but they were all locked;
and when Alice had been all the way down one side and up the
other, trying every door, she walked sadly down the middle,

## Herhangi Bir Veriyi JSON Uyumlu Hale Getirme { #convert-any-data-to-json-compatible }

Herhangi bir veriyi JSON uyumlu hale getirmek için, [Tutorial - JSON Compatible Encoder](../tutorial/encoder.md) dokümantasyonunu okuyun.

## OpenAPI Meta Verileri - Dokümantasyon { #openapi-metadata-docs }

```

çünkü path parametresi `item_id`, `int` olmayan `"foo"` değerine sahipti.

Aynı hata, şu örnekte olduğu gibi `int` yerine `float` verirseniz de ortaya çıkar: [http://127.0.0.1:8000/items/4.2](http://127.0.0.1:8000/items/4.2)

/// check | Ek bilgi

Yani, aynı Python tip tanımıyla birlikte **FastAPI** size veri doğrulama sağlar.

Dikkat edin: hata ayrıca doğrulamanın geçmediği noktayı da açıkça belirtir.

	// Tolerance is not set, defaults to half of the locker clients.
	tolerance := len(restClnts) / 2

	// Quorum is effectively = total clients subtracted with tolerance limit
	quorum := len(restClnts) - tolerance
	if !isReadLock {
		// In situations for write locks, as a special case
		// to avoid split brains we make sure to acquire
		// quorum + 1 when tolerance is exactly half of the
		// total locker clients.

halo
dunia

            });
        }

        // register box to be shutdown if gradle dies
        reaper = reaperServiceProvider.get();
        reaper.registerCommand(extension.getBox(), "vagrant", "halt", "-f", extension.getBox());

        // We lock the provider to virtualbox because the Vagrantfile specifies lots of boxes that only work

  private final long k1;

  /**
   * @param c the number of compression rounds (must be positive)
   * @param d the number of finalization rounds (must be positive)
   * @param k0 the first half of the key
   * @param k1 the second half of the key
   */
  SipHashFunction(int c, int d, long k0, long k1) {
    checkArgument(
        c > 0, "The number of SipRound iterations (c=%s) during Compression must be positive.", c);

            buildContext.getReactorBuildStatus().halt();
        } else {
            logger.error("invalid reactor failure behavior " + rootSession.getReactorFailureBehavior());
            buildContext.getReactorBuildStatus().halt();
        }
    }

    public static void attachToThread(MavenProject currentProject) {