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HTTP Status 500 – Internal Server Error

麻烦老师帮我看一下 他提示创建名称为’shopManagementController’的bean时出错 我感觉是注解扫描没有成功 但我找不到问题具体出处 我试着用bean定义 还是一样的不行
错误：

Type Exception Report

Message Servlet.init() for servlet spring-dispatcher threw exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: Servlet.init() for servlet spring-dispatcher threw exception
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1441)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Unknown Source)
Root Cause

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'shopManagementController': Unsatisfied dependency expressed through field 'shopCategoryService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.imooc.o2o.service.ShopCategoryService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
	org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1441)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Unknown Source)
Root Cause

org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.imooc.o2o.service.ShopCategoryService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
	org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1486)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
	org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:138)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1441)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Unknown Source)
Note The full stack trace of the root cause is available in the server logs.

ShopCategoryServiceImpl .java

package com.imooc.o2o.service.impl;

import java.util.List;

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

import com.imooc.o2o.dao.ShopCategoryDao;
import com.imooc.o2o.entity.ShopCategory;
import com.imooc.o2o.service.ShopCategoryService;

@Service
public class ShopCategoryServiceImpl implements ShopCategoryService{

	@Autowired
	private ShopCategoryDao shopCategoryDao;
	@Override
	public List<ShopCategory> getShopCategoryList(ShopCategory shopCategoryCondition) {
		return shopCategoryDao.queryShopCategory(shopCategoryCondition);
	}

}

spring-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="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
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.imooc.o2o.service"/>
    
<!--     <bean id="shopCategoryServiceImpl"
        class="com.imooc.o2o.service.impl.ShopCategoryServiceImpl"/>
        <bean id="areaServiceImpl"
        class="com.imooc.o2o.service.impl.AreaServiceImpl"/>
        <bean id="shopServiceImpl"
        class="com.imooc.o2o.service.impl.ShopServiceImpl"/> -->

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>
_浮欢 2020-06-27 15:56:37
源自：4-11  店铺类别区域信息的获取
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2回答

翔仔 2020-06-28 12:27:49

同学好，跟监听器无关吧。。主要异常是

org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.imooc.o2o.service.ShopCategoryService' available: expected at least 1 bean which qualifies as autowire candidate.

ShopCategoryService 没有实现类，或者实现类头部没有添加@Service标签。。

0 回复 有任何疑惑可以回复我~
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  • 提问者 _浮欢 #1 
    老师 我之前出现一次500错误就是您说的没有@service标签 但我修改后正确了 但又出现了这个错误
    回复 有任何疑惑可以回复我~ 2020-06-28 23:20:59
  • 翔仔 回复 提问者 _浮欢 #2 
    同学好，出现的是哪个错误？是这个？org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.imooc.o2o.service.ShopCategoryService' available: expected at least 1 bean which qualifies as autowire candidate. 这个的话就是说的是接口找不到对应的实现类bean呢，如果还是这个，难道是扫描的时候没有扫到你的实现类？
    回复 有任何疑惑可以回复我~ 2020-06-29 23:58:11
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提问者 _浮欢 2020-06-27 16:37:18

这个~

https://img1.sycdn.imooc.com/szimg/5ef8b57a090b205511560853.jpg

0 回复 有任何疑惑可以回复我~
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