}
    }

    override fun iterator() = error("unsupported")

    override fun offer(e: T) = error("unsupported")

    override fun peek(): T = error("unsupported")

    override fun offer(
      element: T,
      timeout: Long,
      unit: TimeUnit,
    ) = error("unsupported")

    override fun take() = error("unsupported")

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noCache"),
    level = DeprecationLevel.ERROR,
  )
  fun noCache(): Boolean = noCache

  @JvmName("-deprecated_noStore")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noStore"),
    level = DeprecationLevel.ERROR,
  )
  fun noStore(): Boolean = noStore

  @JvmName("-deprecated_maxAgeSeconds")
  @Deprecated(

    streamId: Int,
  ) {
    if (streamId == 0) throw IOException("PROTOCOL_ERROR: TYPE_DATA streamId == 0")

    // TODO: checkState open or half-closed (local) or raise STREAM_CLOSED
    val inFinished = flags and FLAG_END_STREAM != 0
    val gzipped = flags and FLAG_COMPRESSED != 0
    if (gzipped) {
      throw IOException("PROTOCOL_ERROR: FLAG_COMPRESSED without SETTINGS_COMPRESS_DATA")
    }

                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

eine Textversion:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

#### `RequestValidationError` vs. `ValidationError`

!!! warning "Achtung"

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "url"),
    level = DeprecationLevel.ERROR,
  )
  fun url(): HttpUrl = url

  @JvmName("-deprecated_method")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "method"),
    level = DeprecationLevel.ERROR,
  )
  fun method(): String = method

  @JvmName("-deprecated_headers")
  @Deprecated(

Now, get the user data from the (fake) database, using the `username` from the form field.

If there is no such user, we return an error saying "Incorrect username or password".

For the error, we use the exception `HTTPException`:

=== "Python 3.10+"

    ```Python hl_lines="3  79-81"
    {!> ../../../docs_src/security/tutorial003_an_py310.py!}
    ```

                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]
}
```

você receberá a versão em texto:

```
1 validation error
path -> item_id
  value is not a valid integer (type=type_error.integer)
```

### `RequestValidationError` vs `ValidationError`

!!! warning "Aviso"

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "type"),
    level = DeprecationLevel.ERROR,
  )
  fun type(): MediaType = type

  @JvmName("-deprecated_boundary")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "boundary"),
    level = DeprecationLevel.ERROR,
  )
  fun boundary(): String = boundary

  @JvmName("-deprecated_size")
  @Deprecated(

    override fun invoke() {
      var connectionErrorCode = ErrorCode.INTERNAL_ERROR
      var streamErrorCode = ErrorCode.INTERNAL_ERROR
      var errorException: IOException? = null
      try {
        reader.readConnectionPreface(this)
        while (reader.nextFrame(false, this)) {
        }
        connectionErrorCode = ErrorCode.NO_ERROR
        streamErrorCode = ErrorCode.CANCEL
      } catch (e: IOException) {

    message = "moved to val",
    replaceWith = ReplaceWith(expression = "name"),
    level = DeprecationLevel.ERROR,
  )
  fun name(): String = name

  @JvmName("-deprecated_value")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "value"),
    level = DeprecationLevel.ERROR,
  )
  fun value(): String = value

  @JvmName("-deprecated_persistent")
  @Deprecated(