"title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"

		[size_is(num_sids)] LsarSidPtr *sids;
	} LsarSidArray;

	typedef enum {
		SID_NAME_USE_NONE = 0, /* NOTUSED */
		SID_NAME_USER     = 1, /* user */
		SID_NAME_DOM_GRP  = 2, /* domain group */
		SID_NAME_DOMAIN   = 3, /* domain: don't know what this is */
		SID_NAME_ALIAS    = 4, /* local group */
		SID_NAME_WKN_GRP  = 5, /* well-known group */
		SID_NAME_DELETED  = 6, /* deleted account: needed for c2 rating */

		[size_is(num_sids)] LsarSidPtr *sids;
	} LsarSidArray;

	typedef enum {
		SID_NAME_USE_NONE = 0, /* NOTUSED */
		SID_NAME_USER     = 1, /* user */
		SID_NAME_DOM_GRP  = 2, /* domain group */
		SID_NAME_DOMAIN   = 3, /* domain: don't know what this is */
		SID_NAME_ALIAS    = 4, /* local group */
		SID_NAME_WKN_GRP  = 5, /* well-known group */
		SID_NAME_DELETED  = 6, /* deleted account: needed for c2 rating */

{
  "item": "The Foo Wrestlers"
}
```

但如果客户端请求 `http://example.com/items/bar`（不存在的 `item_id` `"bar"`），则会接收到 HTTP 状态码 404（“未找到”错误）及如下 JSON 响应结果：

```JSON
{
  "detail": "Item not found"
}
```

/// tip | 提示

触发 `HTTPException` 时，可以用参数 `detail` 传递任何能转换为 JSON 的值，不仅限于 `str`。

还支持传递 `dict`、`list` 等数据结构。

**FastAPI** 能自动处理这些数据，并将之转换为 JSON。

///

## 添加自定义响应头 { #add-custom-headers }

async def get_token_header(x_token: Annotated[str, Header()]):
    if x_token != "fake-super-secret-token":
        raise HTTPException(status_code=400, detail="X-Token header invalid")


async def get_query_token(token: str):
    if token != "jessica":

                        "title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"

def test_model_optional_list_str_missing():
    client = TestClient(app)
    response = client.post("/model-optional-list-str")
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "input": None,
                "loc": ["body"],
                "msg": "Field required",
                "type": "missing",
            },
        ],
    }

	)

	ErrOverlappingDomainValue = newErrFn(
		"Overlapping domain values",
		"Please check the passed value",
		"MINIO_DOMAIN only accepts non-overlapping domain values",
	)

	ErrInvalidDomainValue = newErrFn(
		"Invalid domain value",
		"Please check the passed value",
		"Domain can only accept DNS compatible values",
	)

	ErrInvalidErasureSetSize = newErrFn(

    /**
     * Constructs a new exception with the specified message and cause.
     * This constructor creates an empty problem collector.
     *
     * @param message the detail message
     * @param cause the cause of this exception
     */
    public MavenBuilderException(String message, Throwable cause) {
        super(message, cause);
        problems = ProblemCollector.empty();
    }

                        "title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"