# Response – Statuscode ändern

Sie haben wahrscheinlich schon vorher gelesen, dass Sie einen Standard-[Response-Statuscode](../tutorial/response-status-code.md){.internal-link target=_blank} festlegen können.

In manchen Fällen müssen Sie jedoch einen anderen als den Standard-Statuscode zurückgeben.

## Anwendungsfall

Stellen Sie sich zum Beispiel vor, Sie möchten standardmäßig den HTTP-Statuscode „OK“ `200` zurückgeben.

import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.maven.api.cli.Logger;

import static java.util.Objects.requireNonNull;

/**
 * Early CLI {@link Logger} that simply accumulates log entries until some point a real logger can emit them. This
 * logger is created at start, and it exists while no logging is available yet.
 */
public class AccumulatingLogger implements Logger {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.exception;

/**
 * This class represents a custom exception for the suggester component.
 * It extends the {@link RuntimeException} class and provides constructors
 * to create an exception instance with a message, a cause, or both.
 *
 * <p>Usage examples:</p>
 * <pre>
 * throw new SuggesterException("An error occurred");

   * keys. If so, the return value will indicate how many entries are still valid, and will also
   * include a {@link Builder.DuplicateKey} in case duplicate keys are not allowed now or will not
   * be allowed on a later {@link Builder#buildOrThrow()} call.
   *
   * @param keyOffset 1 if this is the reverse direction of a BiMap, 0 otherwise.

pkg go/doc/comment, type Heading struct, Text []Text #51082
pkg go/doc/comment, type Italic string #51082
pkg go/doc/comment, type Link struct #51082
pkg go/doc/comment, type Link struct, Auto bool #51082
pkg go/doc/comment, type Link struct, Text []Text #51082
pkg go/doc/comment, type Link struct, URL string #51082
pkg go/doc/comment, type LinkDef struct #51082
pkg go/doc/comment, type LinkDef struct, Text string #51082

If you have an older version, you would get errors when trying to use `Annotated`.

Make sure you [Upgrade the FastAPI version](../../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} to at least 0.95.1 before using `Annotated`.

///

### Import `Depends` { #import-depends }

{* ../../docs_src/dependencies/tutorial001_an_py310.py hl[3] *}

## Instalar manejadores de excepciones personalizados

Puedes agregar manejadores de excepciones personalizados con <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">las mismas utilidades de excepciones de Starlette</a>.

Supongamos que tienes una excepción personalizada `UnicornException` que tú (o un paquete que usas) podría lanzar.

## Instalando manipuladores de exceções customizados

Você pode adicionar manipuladores de exceção customizados com <a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">a mesma seção de utilidade de exceções presentes no Starlette</a>

Digamos que você tenha uma exceção customizada `UnicornException` que você (ou uma biblioteca que você use) precise lançar (`raise`).

build:macos --cxxopt=-std=c++17
build:macos --host_cxxopt=-std=c++17
build:windows --cxxopt=/std:c++17
build:windows --host_cxxopt=/std:c++17

# On windows, we still link everything into a single DLL.
build:windows --config=monolithic

# On linux, we dynamically link small amount of kernels
build:linux --config=dynamic_kernels

# Make sure to include as little of windows.h as possible
build:windows --copt=-DWIN32_LEAN_AND_MEAN

import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link CacheLoader}.
 *
 * @author Charles Fry
 */
@NullUnmarked
public class CacheLoaderTest extends TestCase {

  private static class QueuingExecutor implements Executor {