//                                                                      ==============
    /**
     * Displays the bad request error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the bad request error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_BadRequestJsp));
    }

**FastAPI** использует его для того, чтобы, если вы используете Pydantic-модель в `response_model`, и ваши данные содержат ошибку, вы увидели ошибку в журнале.

Но клиент/пользователь этого не увидит. Вместо этого клиент получит сообщение "Internal Server Error" с кодом состояния HTTP `500`.

	if objAPI == nil {
		return errServerNotInitialized
	}

	var errs []error
	setDriveCounts := objAPI.SetDriveCounts()
	switch subSys {
	case config.APISubSys:
		apiConfig, err := api.LookupConfig(s[config.APISubSys][config.Default])
		if err != nil {
			configLogIf(ctx, fmt.Errorf("Invalid api configuration: %w", err))
		}

// If ReadBytes encounters an error before finding a delimiter,
// it returns the data read before the error and the error itself (often [io.EOF]).
// ReadBytes returns err != nil if and only if the returned data does not end in
// delim.
func (b *Buffer) ReadBytes(delim byte) (line []byte, err error) {
	slice, err := b.readSlice(delim)

	AND	$0x22220000, R2, RSP                             // ERROR "illegal combination"
	ANDS	$0x22220000, R2, RSP                             // ERROR "illegal combination"
	ADD	R1, R2, R3, R4                                   // ERROR "illegal combination"
	BICW	R7@>33, R5, R16                                  // ERROR "shift amount out of range 0 to 31"

        when(mockChannelManager.getLoadBalancer()).thenReturn(mockLoadBalancer);
    }

    @Test
    void testHandleFailure() {
        IOException error = new IOException("Connection failed");

        failover.handleFailure(failedChannel, error);

        assertEquals(ChannelState.FAILED, failedChannel.getState());
        verify(mockChannelManager).removeChannel(failedChannel);
    }

    @Test

	Delete(ctx context.Context) (rowsAffected int, err error)
	Update(ctx context.Context, name string, value any) (rowsAffected int, err error)
	Updates(ctx context.Context, t T) (rowsAffected int, err error)
	Count(ctx context.Context, column string) (result int64, err error)
}

type ExecInterface[T any] interface {
	Scan(ctx context.Context, r interface{}) error
	First(context.Context) (T, error)
	Last(ctx context.Context) (T, error)

var errRetryHealing = errors.New("some items failed to heal, we will retry healing this drive again")

func healFreshDisk(ctx context.Context, z *erasureServerPools, endpoint Endpoint) error {
	poolIdx, setIdx := endpoint.PoolIdx, endpoint.SetIdx
	disk := getStorageViaEndpoint(endpoint)
	if disk == nil {
		return fmt.Errorf("Unexpected error disk must be initialized by now after formatting: %s", endpoint)
	}

<% 
Integer statusCode = (Integer)request.getAttribute("jakarta.servlet.error.status_code");
String servletName = (String)request.getAttribute("jakarta.servlet.error.servlet_name");
String requestUri = (String)request.getAttribute("jakarta.servlet.error.request_uri");
String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());

<% 
Integer statusCode = (Integer)request.getAttribute("jakarta.servlet.error.status_code");
String servletName = (String)request.getAttribute("jakarta.servlet.error.servlet_name");
String requestUri = (String)request.getAttribute("jakarta.servlet.error.request_uri");
String type = request.getParameter("type");
StringBuilder redirectPage = new StringBuilder();
redirectPage.append(((jakarta.servlet.http.HttpServletRequest)request).getContextPath());