java.lang.ClassNotFoundException:javax.validation.validation 导入java.util.ArrayList; 导入java.util.List; 导入java.util.Set; 导入javax.validation.ConstraintViolation; 导入javax.validation.Valid; 导入javax.validation.validation; 导入javax.validation.Validator; 导入javax.validation.ValidatorFactory; 导入org.springframework.beans.factory.annotation.Autowired; 导入org.springframework.http.HttpStatus; 导入org.springframework.web.bind.annotation.GetMapping; 导入org.springframework.web.bind.annotation.PostMapping; 导入org.springframework.web.bind.annotation.RequestBody; 导入org.springframework.web.bind.annotation.RequestMapping; 导入org.springframework.web.bind.annotation.ResponseBody; 导入org.springframework.web.bind.annotation.RestController; 导入org.springframework.web.server.ResponseStatusException; 导入lombok.extern.slf4j.slf4j; 导入com.example.demo.entity.Country; 导入com.example.demo.repository.CountryRepository; @Slf4j @RestController @请求映射(“/countries”) 公共类控制器{ @自动连线 私人国家; @邮戳 公共国家/地区addCountry(@RequestBody@Valid Country){ log.info(“已启动”); //创建验证器工厂 ValidatorFactory=Validation.buildDefaultValidatorFactory(); Validator Validator=factory.getValidator(); //根据country bean中定义的注释进行验证 设置冲突=validator.validate(国家/地区); 列表错误=新建ArrayList(); //在字符串类型的ArrayList中累积所有错误 for(约束冲突:冲突){ errors.add(违例.getMessage()); } //抛出异常,以便此web服务的用户收到相应的错误消息 如果(冲突.size()>0){ 抛出新的ResponseStatusException(HttpStatus.BAD_请求,errors.toString()); } 返回国; } }
每当我发送post请求时,就会收到错误java.lang.ClassNotFoundException:javax.validation.validation。我试着在git bash->curl-I-H'内容类型:application/json'-X POST-s-d'{“code”:“in”,“nae”:“India”}中编写这篇文章http://localhost:8080/countriesjava.lang.ClassNotFoundException:javax.validation.validation 导入java.util.ArrayList; 导入java.util.List; 导入java.util.Set; 导入javax.validation.ConstraintViolation; 导入javax.validation.Valid; 导入javax.validation.validation; 导入javax.validation.Validator; 导入javax.validation.ValidatorFactory; 导入org.springframework.beans.factory.annotation.Autowired; 导入org.springframework.http.HttpStatus; 导入org.springframework.web.bind.annotation.GetMapping; 导入org.springframework.web.bind.annotation.PostMapping; 导入org.springframework.web.bind.annotation.RequestBody; 导入org.springframework.web.bind.annotation.RequestMapping; 导入org.springframework.web.bind.annotation.ResponseBody; 导入org.springframework.web.bind.annotation.RestController; 导入org.springframework.web.server.ResponseStatusException; 导入lombok.extern.slf4j.slf4j; 导入com.example.demo.entity.Country; 导入com.example.demo.repository.CountryRepository; @Slf4j @RestController @请求映射(“/countries”) 公共类控制器{ @自动连线 私人国家; @邮戳 公共国家/地区addCountry(@RequestBody@Valid Country){ log.info(“已启动”); //创建验证器工厂 ValidatorFactory=Validation.buildDefaultValidatorFactory(); Validator Validator=factory.getValidator(); //根据country bean中定义的注释进行验证 设置冲突=validator.validate(国家/地区); 列表错误=新建ArrayList(); //在字符串类型的ArrayList中累积所有错误 for(约束冲突:冲突){ errors.add(违例.getMessage()); } //抛出异常,以便此web服务的用户收到相应的错误消息 如果(冲突.size()>0){ 抛出新的ResponseStatusException(HttpStatus.BAD_请求,errors.toString()); } 返回国; } },java,spring-boot,spring-mvc,spring-data-jpa,spring-rest,Java,Spring Boot,Spring Mvc,Spring Data Jpa,Spring Rest,每当我发送post请求时,就会收到错误java.lang.ClassNotFoundException:javax.validation.validation。我试着在git bash->curl-I-H'内容类型:application/json'-X POST-s-d'{“code”:“in”,“nae”:“India”}中编写这篇文章http://localhost:8080/countries 我得到了一个错误您必须将javax.validationAPI的实现添加到项目的依赖项中。 如
我得到了一个错误您必须将
javax.validation
API的实现添加到项目的依赖项中。
如果您使用maven构建它,那么可以在pom
文件的依赖项部分添加以下内容
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import javax.validation.ConstraintViolation;
import javax.validation.Valid;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
import lombok.extern.slf4j.Slf4j;
import com.example.demo.entity.Country;
import com.example.demo.repository.CountryRepository;
@Slf4j
@RestController
@RequestMapping("/countries")
public class CountryController {
@Autowired
private Country country;
@PostMapping
public Country addCountry(@RequestBody @Valid Country country){
log.info("Started");
// Create validator factory
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
// Validation is done against the annotations defined in country bean
Set<ConstraintViolation<Country>> violations = validator.validate(country);
List<String> errors = new ArrayList<String>();
// Accumulate all errors in an ArrayList of type String
for (ConstraintViolation<Country> violation : violations) {
errors.add(violation.getMessage());
}
// Throw exception so that the user of this web service receives appropriate error message
if (violations.size() > 0) {
throw new ResponseStatusException(HttpStatus.BAD_REQUEST, errors.toString());
}
return country;
}
}
org.hibernate
休眠验证器
6.1.2.最终版本
此问题是由于hibernate验证程序依赖项的版本不正确造成的。您需要尝试此依赖项的其他版本来解决此问题
在pom文件中添加以下依赖项可能会解决此问题:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.1.2.Final</version>
</dependency>
javax.validation
验证api
1.0.0.GA
org.hibernate
休眠验证器
4.3.1.最终版本
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.0.0.GA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.3.1.Final</version>
</dependency>