spring-boot - Spring Boot 中的大小注释返回 400 Bad Request
问题描述
@Size
在 Spring Boot bean 类中执行注释时我没有收到消息错误
下面是我的文件 pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.2.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.val</groupId>
<artifactId>Spring-boot-validation</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Spring-boot-validation</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
用户输入.java
package com.val.Springbootvalidation;
import java.time.LocalDate;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class UserInput {
@NotNull(message = "lastname can not be null")
@Size(min=3, max= 20, message = "Lastname should be between 3 and 20")
private String lastName;
private String middleName;
private String firstName;
private LocalDate dateOfBirth;
private Integer siblings;
}
用户.java
package com.val.Springbootvalidation;
import java.time.LocalDate;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class User {
private Long id;
private String lastName;
private String middleName;
private String firstName;
private LocalDate dateOfBirth;
private Integer siblings;
}
SpringBootValidationApplication.java(主加载器)
package com.val.Springbootvalidation;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootValidationApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootValidationApplication.class, args);
}
}
我正在传递的输入是
{
"firstName":"s"
}
我得到的回应是
{
"timestamp": "2020-07-27T07:20:04.655+00:00",
"status": 400,
"error": "Bad Request",
"message": "",
"path": "/api/user/save"
}
在控制台日志中显示
[org.springframework.web.bind.MethodArgumentNotValidException: Validation failed for argument [0] in public com.val.Springbootvalidation.User com.val.Springbootvalidation.UserController.save(com.val.Springbootvalidation.UserInput): [Field error in object 'userInput' on field 'lastName': rejected value [null]; codes [NotNull.userInput.lastName,NotNull.lastName,NotNull.java.lang.String,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [userInput.lastName,lastName]; arguments []; default message [lastName]]; default message [lastname can not be null]] ]
解决方案
Spring Boot 2.3.2 存在验证消息问题或行为更改。尝试降级到 Spring Boot 2.2.9
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