javax.validation.UnexpectedTypeException: HV000030: No validator could be found for type: java.lang.
校验报错
javax.validation.UnexpectedTypeException: HV000030: No validator could be found for type: java.lang.Integer
原因：java中的实体Integer 类型 使用了@NotBlank注解，@NotBlank是判断字符串是否为空