java - SpringBoot org.springframework.beans.factory.BeanCreationException:创建名为“requestMappingHandlerMapping”的bean时出错
问题描述
我正在netbeans上开发一个springboot项目。我收到以下异常:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'employeRestService' method
com.proj_web.controller.EmployeRestService#deleteMany(Long)
to {DELETE /listEmploye/{id}}: There is already 'employeRestService' bean method
com.proj_web.controller.EmployeRestService#delete(Long) mapped.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.4.RELEASE.jar:2.2.4.RELEASE]
at com.proj_web.ProjWebApplication.main(ProjWebApplication.java:21) [classes/:na]
Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'employeRestService' method
com.proj_web.controller.EmployeRestService#deleteMany(Long)
to {DELETE /listEmploye/{id}}: There is already 'employeRestService' bean method
com.proj_web.controller.EmployeRestService#delete(Long) mapped.
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.validateMethodMapping(AbstractHandlerMethodMapping.java:632) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(AbstractHandlerMethodMapping.java:599) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:318) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:350) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.registerHandlerMethod(RequestMappingHandlerMapping.java:67) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$1(AbstractHandlerMethodMapping.java:288) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:676) ~[na:1.8.0_73]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:286) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.processCandidateBean(AbstractHandlerMethodMapping.java:258) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:217) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:205) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:171) ~[spring-webmvc-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792) ~[spring-beans-5.2.3.RELEASE.jar:5.2.3.RELEASE]
... 16 common frames omitted
我尝试再次清理和构建项目,我什至更新了 maven 但它没有工作。
编辑:EmployeRestService
package com.proj_web.controller;
import com.dao.EmployeRepository;
import com.entity.Employe;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RequestMapping;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
/**
*
* @author Nassim Bouhadouf <Nassim.Bouhadouf at https://github.com/nassim-fox/>
*/
@RestController
@CrossOrigin("*")
public class EmployeRestService {
@Autowired
EmployeRepository employe_rep ;
@GetMapping()
public List<Object> list() {
return null;
}
@GetMapping("/listEmploye")
public List <Employe> getListEmploye() {
return employe_rep.findAll() ;
}
@GetMapping("/listEmploye/{id}")
public Employe getEmploye(@PathVariable(name="id") Long id) {
return employe_rep.findById(id).get() ;
}
@GetMapping("/listEmploye/search/{nom}")
public List<Employe> getEmployeByNom(@PathVariable(name="nom") String nom) {
return employe_rep.findByNom(nom) ;
}
@PutMapping("/listEmploye/{id}")
public Employe updateEmp(@PathVariable(name="id") Long id, @RequestBody Employe emp) {
emp.setId(id) ;
return employe_rep.save(emp) ;
}
@PostMapping("/listEmploye")
public Employe save(@RequestBody Employe emp) {
return employe_rep.save(emp) ;
}
@DeleteMapping(value="/listEmploye/{id}")
public void delete(@PathVariable(name="id") Long id) {
employe_rep.deleteById(id) ;
}
@DeleteMapping(value="/listEmploye/{id}")
public void deleteMany(@PathVariable(name="id") Long id) {
employe_rep.deleteById(id) ;
}
@PostMapping("/employeCreate/{num}")
public void createMany(@PathVariable(name="num") Long num,@RequestBody Employe employe)
{
int i = 0 ;
while(i<num)
{
employe_rep.save(employe) ;
i++ ;
}
}
}
拜托,谁能指导我完成这个。谢谢。
解决方案
根据堆栈跟踪,您有重复的方法:
{DELETE /listEmploye/{id}}
由于delete
和deleteMany
方法的实现是一样的,删除其中一个。
推荐阅读
- c# - 无论使用鼠标还是触摸,如何支持 MouseUp、MouseDown 和 MouseMove 事件
- html - 如何在 Angular 输入的 [value] 属性中使用多个变量
- java - 测试 Kafka、Spark 和 ES 集成的正确方法
- python - Wheel 包的 RECORD 文件中的 hash 是如何构造的?
- email - 如何代表外部托管域接收电子邮件
- ios - Swift - 为一个 ViewController 内的两个输入字段设置不同的最大长度
- r - 在执行长计算时更新 actionButton
- python - 如何使用 for 循环在 Python 中打开多个 json 文件?
- python - 文件打开困难
- c++ - 跨平台 C++ 异常和基本日志记录工具的首选字符类型是什么?