// getBucket will get a bucket metacache or load it from disk if needed.
func (m *metacacheManager) getBucket(ctx context.Context, bucket string) *bucketMetacache {
	m.init.Do(m.initManager)

	// Return a transient bucket for invalid or system buckets.
	m.mu.RLock()
	b, ok := m.buckets[bucket]
	if ok {
		m.mu.RUnlock()
		if b.bucket != bucket {
			logger.Info("getBucket: cached bucket %s does not match this bucket %s", b.bucket, bucket)

| `minio_s3_requests_rejected_header_total`     | Total number S3 requests rejected for invalid header.    |
| `minio_s3_requests_rejected_invalid_total`    | Total number S3 invalid requests.                        |
| `minio_s3_requests_rejected_timestamp_total`  | Total number S3 requests rejected for invalid timestamp. |
| `minio_s3_requests_total`                     | Total number S3 requests.                                |

                    } else if (response.getContentException() != null) {
                        logger.warn("Invalid request for {}.", path, response.getContentException());
                    } else {
                        logger.warn("Invalid request for {}. The response is {}", path, response.getContentAsString());
                    }
                }
            } catch (final Exception e) {

		fallthrough
	case "keyInvalid":
		fallthrough
	case "forbidden":
		err = PrefixAccessDenied{
			Bucket: bucket,
			Object: object,
		}
	case "invalid":
		err = BucketNameInvalid{
			Bucket: bucket,
		}
	case "notFound":
		if object != "" {
			err = ObjectNotFound{
				Bucket: bucket,
				Object: object,
			}
			break
		}

            }
        )
    try:
        return ModelField(**kwargs)  # type: ignore[arg-type]
    except (RuntimeError, PydanticSchemaGenerationError):
        raise fastapi.exceptions.FastAPIError(
            "Invalid args for response field! Hint: "
            f"check that {type_} is a valid Pydantic field type. "
            "If you are using a return type annotation that is not a valid Pydantic "

		// Test case - 3
		// In case of garbage request body ErrMalformedXML is returned.
		{badRequest, globalMinioDefaultRegion, ErrMalformedXML},
		// Test case - 4
		// In case of invalid XML request body ErrMalformedXML is returned.
		{malformedReq, globalMinioDefaultRegion, ErrMalformedXML},
	}

	for i, testCase := range testCases {
		config.SetRegion(globalServerConfig, testCase.serverConfigRegion)

echo location of your Java installation. >&2
echo.
goto error

:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init

echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error

		}
	}
}

// Test all s3 supported auth types.
func TestS3SupportedAuthType(t *testing.T) {
	type testCase struct {
		authT authType
		pass  bool
	}
	// List of all valid and invalid test cases.
	testCases := []testCase{
		// Test 1 - supported s3 type anonymous.
		{
			authT: authTypeAnonymous,
			pass:  true,
		},
		// Test 2 - supported s3 type presigned.
		{

				} else {
					logger.Fatal(errInvalidArgument, "Unable to use the drive %s: %v", endpoints[i], err)
				}
			}
		}
	}

	// Pre-emptively check if one of the formatted disks
	// is invalid. This function returns success for the
	// most part unless one of the formats is not consistent
	// with expected Erasure format. For example if a user is
	// trying to pool FS backend into an Erasure set.

* **Convertir datos**: desde el request al tipo requerido.
* **Validar datos**: viniendo de cada request:
    * Generando **errores automáticos** devueltos al cliente cuando los datos son inválidos.
* **Documentar** la API usando OpenAPI:
    * que en su caso es usada por las interfaces de usuario de la documentación automática e interactiva.