@Valid和@NotBlank的弹簧启动验证注释不起作用

下面给出的是我的主控制器，我从中调用getPDFDetails方法。

@RequestMapping(value=PATH_PRINT_CONTRACTS, method=RequestMethod.POST)
    public ResponseEntity<?> printContracts(@RequestBody final UpdatePrintContracts updatePrintContracts) throws Exception {
    
        System.out.println("contracts value is "+ updatePrintContracts);
        
        Integer cancellationReasons = service.getPDFDetails(updatePrintContracts);
        
        System.out.println("success!");
        
        return ResponseEntity.ok(cancellationReasons);
    }   

下面是 UpdatePrintContracts 类，我在其中定义了所有带有验证注释和相应 getter/setter 方法的变量。

public class UpdatePrintContracts {
    
    @Valid
    @NotBlank
    @Pattern(regexp = "\\p{Alnum}{1,30}")
    String isReprint;
    
    @Valid
    @NotBlank
    Integer dealerId;
    
    @Valid
    @NotBlank
    @Pattern(regexp = "\\p{Alnum}{1,30}")
    String includeSignatureCoordinates;
    
    @Valid
    @NotBlank
    java.util.List<Integer> contractNumbers;

    public String getIsReprint() {
        return isReprint;
    }

    public void setIsReprint(String isReprint) {
        this.isReprint = isReprint;
    }

    public Integer getDealerId() {
        return dealerId;
    }

    public void setDealerId(Integer dealerId) {
        this.dealerId = dealerId;
    }

    public String getIncludeSignatureCoordinates() {
        return includeSignatureCoordinates;
    }

    public void setIncludeSignatureCoordinates(String includeSignatureCoordinates) {
        this.includeSignatureCoordinates = includeSignatureCoordinates;
    }

    public java.util.List<Integer> getContractNumbers() {
        return contractNumbers;
    }

    public void setContractNumbers(java.util.List<Integer> contractNumbers) {
        this.contractNumbers = contractNumbers;
    }
    
}

我正在尝试通过右键单击项目（运行方式）并通过Soap UI传递变量的空白值来将应用程序作为Spring Boot应用程序运行。但是，验证似乎不起作用，并且不会在 Soap UI 中引发任何验证错误。我错过了什么？任何帮助是值得赞赏的！