小编dur*_*sad的帖子

@NotNull、@NotEmpty、@NotBlank 注释在我的其余控制器中不起作用。我的要求是限制控制器的流量，当我在没有所需参数的情况下点击控制器时，会出现 400 错误。但是当我将 null 或空标头传递给控制器​​时，我没有收到 400 错误。我的控制器命中了我的处理程序类，这不是预期的行为

下面是我的控制器

@RestController
@RequestMapping("/intelligent-banking")
public class CrossSellOffersRetrievalController {


    @Autowired
    private CrossSellOffersRetrievalHandler crossSellOffersRetrievalHandler;

    @Autowired
    Environment env;

    @GetMapping(value = "/cross-sell-offers/{interactionPoint}", produces = { MediaType.APPLICATION_JSON_VALUE })
    public ResponseEntity<CrossSellOffersRetrievalResponse> getApplicableOffers(
            @RequestHeader(value = "channelId", required = true) @Valid String channelId,
            @RequestHeader(value = "clientId", required = false) String clientId,
            @RequestHeader(value = "actionId", required = true) @NotNull @NotEmpty String actionId,
            @RequestHeader(value = "customerId", required = true) @NotNull @NotBlank String customerId,
            @RequestHeader(value = "cinSuffix", required = true) @NotNull @NotBlank String cinSuffix, …