도대체 뭐 떄문인지 모르겠습니다 분명 코드 똑같은데 미치겠씁니다

Question

- 학습 관련 질문을 남겨주세요. 상세히 작성하면 더 좋아요! 
- 먼저 유사한 질문이 있었는지 검색해보세요. 
- 서로 예의를 지키며 존중하는 문화를 만들어가요. 
- 잠깐! 인프런 서비스 운영 관련 문의는 1:1 문의하기를 이용해주세요.메시지 Request processing failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'loginUserBean' available

설명 서버가, 해당 요청을 충족시키지 못하게 하는 예기치 않은 조건을 맞닥뜨렸습니다.

예외

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'loginUserBean' available
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
	org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:652)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)

근본 원인 (root cause)

org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'loginUserBean' available
	org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:863)
	org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1344)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:309)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:283)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeanByName(AbstractAutowireCapableBeanFactory.java:461)
	org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:527)
	org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:497)
	org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$1.getTarget(CommonAnnotationBeanPostProcessor.java:461)
	org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:676)
	beans.UserBean$$EnhancerBySpringCGLIB$$62cae883.isUserLogin(<generated>)
	controller.UserController.login_pro(UserController.java:54)
	java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:566)
	org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197)
	org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:141)
	org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
	org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1064)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
	org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:652)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)


서비스 부분
package service;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import beans.UserBean;
import dao.UserDao;


@Service
public class UserService {
	
	@Autowired
	private UserDao userDao;
	
	@Resource(name = "loginUserBean")
	@Lazy
	private UserBean loginUserBean;
	
	public boolean checkuserIdExist(String user_id) {
		
		String user_name = userDao.checkUserIdExist(user_id);
		
		if(user_name == null) {
			return true;
		} else {
			return false;
		}
	}
	
	public void addUserInfo(UserBean joinUserBean) {
		userDao.addUserInfo(joinUserBean);
	}
	
	public void getLoginUserInfo(UserBean tempLoginUserBean) {
		
		UserBean tempLoginUserBean2 = userDao.getLoginUserInfo(tempLoginUserBean);
		
		if(tempLoginUserBean2 != null) {
			loginUserBean.setUser_idx(tempLoginUserBean2.getUser_idx());
			loginUserBean.setUser_name(tempLoginUserBean2.getUser_name());
			loginUserBean.setUserLogin(true);
		}
	}
}


컨트롤러 부분

package controller;

import javax.annotation.Resource;
import javax.validation.Valid;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import beans.UserBean;
import service.UserService;
import validator.UserValidator;


@Controller
@RequestMapping("/user")
public class UserController {
	
	@Autowired
	private UserService userService;
	
	@Resource(name = "loginUserBean")
	@Lazy
	private UserBean loginUserBean;

	@GetMapping("/login")
	public String login(@ModelAttribute("tempLoginUserBean") UserBean tempLoginUserBean,
						@RequestParam(value = "fail", defaultValue = "false") boolean fail,
						Model model) {
		
		model.addAttribute("fail", fail);
	
		return "user/login";
	}
	
	@PostMapping("/login_pro")
	public String login_pro(@Valid @ModelAttribute("tempLoginUserBean") UserBean tempLoginUserBean, BindingResult result) {
		
		if(result.hasErrors()) {
			return "user/login";
		}
		
		userService.getLoginUserInfo(tempLoginUserBean);
		
		if(loginUserBean.isUserLogin() == true) {
			return "user/login_success";
		} else {
			return "user/login_fail";
		}
	}
	
	@GetMapping("/join")
	public String join(@ModelAttribute("joinUserBean") UserBean joinUserBean) {
		return "user/join";
	}
	
	@PostMapping("/join_pro")
	public String join_pro(@Valid @ModelAttribute("joinUserBean") UserBean joinUserBean, BindingResult result) {
		if(result.hasErrors()) {
			return "user/join";
		}
		
		userService.addUserInfo(joinUserBean);
		
		return "user/join_success";
	}
	
	@GetMapping("/modify")
	public String modify() {
		return "user/modify";
	}
	
	@GetMapping("/logout")
	public String logout() {
		return "user/logout";
	}
	
	@InitBinder
	public void initBinder(WebDataBinder binder) {
		UserValidator validator1 = new UserValidator();
		binder.addValidators(validator1);
	}
}

dao부분
package dao;

import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import beans.UserBean;

@Repository
public class UserDao {
	
	@Autowired
	private SqlSessionTemplate sqlSessionTemplate;
	
	public String checkUserIdExist(String user_id) {
		return sqlSessionTemplate.selectOne("user.checkUserIdExist", user_id);
	}
	
	public void addUserInfo(UserBean joinUserBean) {
		sqlSessionTemplate.insert("user.addUserInfo", joinUserBean);
	}
	
	public UserBean getLoginUserInfo(UserBean tempLoginUserBean) {
		return sqlSessionTemplate.selectOne("user.getLoginUserInfo", tempLoginUserBean);
	}
	
}


서블릿 컨테스트 부분

<?xml version="1.0" encoding="UTF-8"?>

<beans:beans xmlns="http://www.springframework.org/schema/mvc"
			 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			 xmlns:beans="http://www.springframework.org/schema/beans"
			 xmlns:context="http://www.springframework.org/schema/context"
			 xsi:schemaLocation="http://www.springframework.org/schema/mvc
			 					 http://www.springframework.org/schema/mvc/spring-mvc.xsd
			 					 http://www.springframework.org/schema/beans
			 					 http://www.springframework.org/schema/beans/spring-beans.xsd
			 					 http://www.springframework.org/schema/context
			 					 http://www.springframework.org/schema/context/spring-context.xsd">


	<!-- 스캔한 패키지 내부의 클래스 중 Controller 어노테이션을 가지고 있는 클래스들을 Controller로 로딩한다.  -->	
	<annotation-driven/>
	
	<!-- 스캔할 bean들이 모여있는 패키지를 지정한다. -->
	<context:component-scan base-package="controller"/>
	<context:component-scan base-package="dao"/>
	<context:component-scan base-package="service"/>
	
	<!-- Controller의 메서드에서 반환하는 문자열 앞뒤에 붙일 경로 정보를 셋팅한다. -->
	<beans:bean class = "org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/"/>
		<beans:property name="suffix" value=".jsp"/>
	</beans:bean>
	
	<!-- 정적파일(이미지, 사운드, 동영상, js, css 등등) 경로 셋팅-->
	<resources location="/resources/" mapping="/**"></resources>
	
	<!-- properties 파일의 내용을 사용할수 있도록 bean을 정의 -->
	<beans:bean class='org.springframework.beans.factory.config.PropertyPlaceholderConfigurer'>
		<beans:property name="location">
			<beans:value>/WEB-INF/properties/db.properties</beans:value>
		</beans:property>
	</beans:bean>
	
	<beans:bean class='org.apache.commons.dbcp2.BasicDataSource' id='basic_data_source'>
		<beans:property name="driverClassName" value="${db.classname}"/>
		<beans:property name="url" value="${db.url}"/>
		<beans:property name="username" value="${db.username}"/>
		<beans:property name="password" value="${db.password}"/>
	</beans:bean>
	
	<beans:bean class='org.mybatis.spring.SqlSessionFactoryBean' id='sqlSession'>
		<beans:property name="dataSource" ref='basic_data_source'/>
		<beans:property name="mapperLocations" value='/WEB-INF/mapper/*.xml'/>
	</beans:bean>
	
	<beans:bean class='org.mybatis.spring.SqlSessionTemplate' id='sqlSessionTemplate'>
		<beans:constructor-arg index='0' ref='sqlSession'/>
	</beans:bean>
	
	<interceptors>
		<interceptor>
			<mapping path="/**"/>
			<beans:bean class="interceptor.TopMenuInterceptor"/>
		</interceptor>
	</interceptors>
	
	<!-- messageSource를 등록한다 -->
	<beans:bean class='org.springframework.context.support.ReloadableResourceBundleMessageSource' id = 'messageSource'>
		<beans:property name="basenames">
			<beans:list>
				<beans:value>/WEB-INF/properties/error_message</beans:value>
			</beans:list>
		</beans:property>
	</beans:bean>
	
	<!-- Message접근을 위한 접근자 등록 -->
	<beans:bean class='org.springframework.context.support.MessageSourceAccessor'>
		<beans:constructor-arg ref='messageSource'/>
	</beans:bean>
	
	
</beans:beans>

/WEB-INF/properties/db.properties

/WEB-INF/properties/error_message

Answer

loginUserBean 이라는 이름의 bean을 정의하셨는지 확인해보시기 바랍니다.

창민

도대체 뭐 떄문인지 모르겠습니다 분명 코드 똑같은데 미치겠씁니다

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