基于ssm框架开发的项目,在service层测试时发生错误,求指点?

基于ssm框架开发的项目,在做service层测试时发生错误,如下:

 五月 11, 2018 3:19:54 下午 org.springframework.test.context.support.DefaultTestContextBootstrapper getDefaultTestExecutionListenerClassNames
信息: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener]
五月 11, 2018 3:19:54 下午 org.springframework.test.context.support.DefaultTestContextBootstrapper getTestExecutionListeners
信息: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@4cb2c100, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@6fb554cc, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@614c5515, org.springframework.test.context.support.DirtiesContextTestExecutionListener@77b52d12, org.springframework.test.context.transaction.TransactionalTestExecutionListener@2d554825, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@68837a77]
五月 11, 2018 3:19:55 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring/spring-dao.xml]
五月 11, 2018 3:19:55 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [spring/spring-service.xml]
五月 11, 2018 3:19:55 下午 org.springframework.test.context.TestContextManager prepareTestInstance
严重: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@614c5515] to prepare test instance [com.imooc.o2o.service.AreaServiceTest@2353b3e6]
java.lang.IllegalStateException: Failed to load ApplicationContext
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124)
    at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:287)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:289)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [spring/spring-service.xml]; nested exception is java.io.FileNotFoundException: class path resource [spring/spring-service.xml] cannot be opened because it does not exist
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:344)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:252)
    at org.springframework.test.context.support.AbstractGenericContextLoader.loadBeanDefinitions(AbstractGenericContextLoader.java:257)
    at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:124)
    at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60)
    at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:108)
    at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:251)
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98)
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116)
    ... 25 more
Caused by: java.io.FileNotFoundException: class path resource [spring/spring-service.xml] cannot be opened because it does not exist
    at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:172)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:330)
    ... 37 more

service实现类代码如下:
package com.imooc.o2o.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.imooc.o2o.dao.AreaDao;
import com.imooc.o2o.entity.Area;
import com.imooc.o2o.service.AreaService;
@Service
public class AreaServiceImpl implements AreaService {
@Resource
private AreaDao areaDao;
public List getAreaList() {
return areaDao.queryArea();
}

}
service 配置文件代码如下:

 <?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"/>
    <!-- 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>

13个回答

spring/spring-service.xml文件找不到,
1.检查文件是否存在,/src/test/resources/目录下是否该配置文件
2.检查是否在程序的入口配置文件中引入该配置文件,
3.先 clean ,在重新编译,

fengyidong123
fengyidong123 非常感谢,问题已经解决
大约 2 年之前 回复

找不到spring/spring-service.xml文件,首先确定文件名称是否写对,其次就是核对是否配置扫描语句。

检查下配置文件,应该是配置文件有问题。

java.lang.IllegalStateException: Failed to load ApplicationContext
加载spring配置文件失败!你看下配置文件是否配置正确,你配置文件里需要加入serviceImpl对应的吧!

java.io.FileNotFoundException: class path resource [spring/spring-service.xml] cannot be opened because it does not exist,
报错找不到spring-service.xml文件,看下你编译过后的项目文件里面是否有这个xml,在项目没有问题的情况下,建议clean下,然后重新启动试试。重新编译下

m0_38009359
m0_38009359 找不到你配置文件,你看一下配置文件的放置的位置
大约 2 年之前 回复
zhu_fei_chao
朱飞超 检查一下配置文件您是否有问题
大约 2 年之前 回复
it_zhangwei
路漫漫兮其修远兮 如果不是编译的问题,应该就是service的xml向主程序的xml里面引入的路径不对,没有读取到的问题吧
大约 2 年之前 回复

找不到spring/spring-service.xml文件

一看到这样大片大片贴错误代码的就头疼,找出关键错误代码,再贴出来

toomanyhair
toomanyhair 好的,我也是刚刚入门,请各位谅解
10 个月之前 回复

class path resource [spring/spring-service.xml] cannot be opened because it does not exist 没有找到spring-service.xml文件,所以你不能打开或者去读取。 一般找错误看错误第一行或者有**Caused by:**的地方。

spring/spring-service.xml文件 里面id name是不是拼错了噢

找到引用spring/spring-service.xml的地方,从项目中选中spring-service.xml右键拷贝它的绝对路径path,然后把之前的项目路径删掉,按住Ctrl键看点不点的进去

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关于SSM整合报Service层错误问题

``` org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'commandController': Unsatisfied dependency expressed through field 'service': Error creating bean with name 'serviceImp': Unsatisfied dependency expressed through field 'userMapper': No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'serviceImp': Unsatisfied dependency expressed through field 'userMapper': No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations : {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:350) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:775) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:861) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5181) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5704) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1018) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:994) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1900) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:619) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:566) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:301) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'serviceImp': Unsatisfied dependency expressed through field 'userMapper': No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:350) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:187) at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1208) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1048) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1018) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:570) ... 62 more Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.cwj.backoffice.web.mapper.UserMapper] found for dependency [com.cwj.backoffice.web.mapper.UserMapper]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1398) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1051) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1018) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:570) ... 76 more 浜旀湀 14, 2019 10:52:08 涓嬪崍 org.apache.catalina.core.ApplicationContext log 淇℃伅: Log4jServletContextListener ensuring that Log4j starts up properly. 浜旀湀 14, 2019 10:52:08 涓嬪崍 org.apache.catalina.core.ApplicationContext log 淇℃伅: Log4jServletContextListener ensuring that Log4j shuts down properly. 浜旀湀 14, 2019 10:52:08 涓嬪崍 org.apache.catalina.core.ApplicationContext log 淇℃伅: Closing Spring root WebApplicationContext ``` 求大佬帮帮忙,已经找了一天了,UserMapper还有Service一直报错。 ``` package com.cwj.backoffice.web.mapper; import com.cwj.backoffice.web.User.Items; import com.cwj.backoffice.web.User.User; import java.util.List; public interface UserMapper { public void save(User user); public List<Items> select(); } <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.cwj.backoffice.web.mapper.UserMapper"> <insert id="save" parameterType="user"> INSERT INTO t_user(id,username,password) values(#{id},#{username},#{password}); </insert> <select id="select" resultType="items"> SELECT * FROM t_user; </select> </mapper> ``` ``` package com.cwj.backoffice.web.UserService; import com.cwj.backoffice.web.User.Items; import com.cwj.backoffice.web.User.User; import java.util.List; public interface Service { public void save(User user); public List<Items> select(); } /** * Copyright (C), 2015-2019, XXX有限公司 * FileName: ServiceImp * Author: 50427 * Date: 2019/5/14 18:43 * Description: * History: * <author> <time> <version> <desc> * 作者姓名 修改时间 版本号 描述 */ package com.cwj.backoffice.web.UserService.Imp; import com.cwj.backoffice.web.User.Items; import com.cwj.backoffice.web.User.User; import com.cwj.backoffice.web.UserService.Service; import com.cwj.backoffice.web.mapper.UserMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.util.List; /** * 〈一句话功能简述〉<br> * 〈〉 * * @author 50427 * @create 2019/5/14 * @since 1.0.0 */ @org.springframework.stereotype.Service public class ServiceImp implements Service { @Autowired UserMapper userMapper; @Override public void save(User user) { userMapper.save(user); } @Override public List<Items> select() { return userMapper.select(); } } ```

ssm项目中,service层的遍历查询,如何编写?

刚入门的小白,还在自学中,基础知识偏薄弱。 希望能有前辈提供一下比较标准的业务层实现遍历查询的代码。 我想好好的参考,学习学习。 主要是想通过遍历查询,实现多张表的分级查询。 传入ID在第一张表中遍历,遍历出来的结果,再放到第二张表查询一遍。 这样一层一层的下来,使用for循环来实现分级和遍历查询。 还恳请各位教教我,谢谢!入门小白感激不尽! (如果可以,请写上注释,方便理解,谢谢!)

ssm框架 Service层 实例化对象后 对象不能赋值?

@Service public class UserService { @Autowired private UserMapper userMapper; public Table1 getTable1(Integer id) { Table1 t=new Table1(); String name=""; t=userMapper.getTable1(id); t总为空 } }

maven项目中搭建ssm框架 报错

严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167) at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:509) at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:490) at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:118) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4775) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:748) 十一月 03, 2017 9:58:44 上午 org.apache.catalina.core.StandardContext listenerStart pom文件配置 <modelVersion>4.0.0</modelVersion> <groupId>com.cbd</groupId> <artifactId>lianxi1102</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>lianxi1102 Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.5.2</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.5.2</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.3.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.6.RELEASE</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.6</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.1.0</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>4.3.8.RELEASE</version> </dependency> <dependency> <groupId>c3p0</groupId> <artifactId>c3p0</artifactId> <version>0.9.1.2</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.1.0</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.0.4</version> </dependency> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2</version> <exclusions> <exclusion> <artifactId>xercesImpl</artifactId> <groupId>xerces</groupId> </exclusion> </exclusions> </dependency> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> <filtering>false</filtering> </resource> </resources> </dependencies> <build> <finalName>lianxi1102</finalName> </build> </project> web.xml中配置listener监听 <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring.xml</param-value> </context-param>

ssm框架的项目如何访问jsp页面??

自己用spring springmvc mybatis 搭了一个项目 想访问jsp页面 但是老是报404 感觉是配置有问题 把配置图贴出来 求大神帮忙![![![图片说明](https://img-ask.csdn.net/upload/201710/18/1508311904_97457.png)图片说明](https://img-ask.csdn.net/upload/201710/18/1508311896_159545.png)图片说明](https://img-ask.csdn.net/upload/201710/18/1508311887_822679.png)

SSM框架中测试类一直提示找不到DAO层节点

这个是我的Mybatis配置,里面讲DAO所在的包利用包扫描放入容器了。 ![图片说明](https://img-ask.csdn.net/upload/202001/09/1578563429_267232.png) 这个是测试类的代码 ![图片说明](https://img-ask.csdn.net/upload/202001/09/1578563437_671642.png) 这是报的无法找到bean节点的错误 ![图片说明](https://img-ask.csdn.net/upload/202001/09/1578563448_56763.png) 有没有大佬指示一下,感谢!

SSM中Controller自动注入service失败

Root Cause org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'loginController': Unsatisfied dependency expressed through field 'loginServiceImpl'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.ssm.service.LoginServiceImpl' 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:586) org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:364) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1269) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:551) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:481) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:171) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:745) ## 在Controller中自动注入service就报以上错误 ![图片说明](https://img-ask.csdn.net/upload/202004/13/1586763996_66970.jpg) ## 该service为 ![图片说明](https://img-ask.csdn.net/upload/202004/13/1586764249_143874.jpg) spring-dao.xml ``` <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!--读取properties文件 --> <context:property-placeholder location="classpath:db.properties" /> <context:annotation-config></context:annotation-config> <!--配置数据源 --> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName"> <value>${driver}</value> </property> <property name="url"> <value>${url}</value> </property> <property name="username"> <value>${username}</value> </property> <property name="password"> <value>${password}</value> </property> </bean> <!-- 配置sqlsessionFactory --> <!-- 查看源码便可知注入的property的名字 --> <!-- 可以读取mybatis-config.xml文件,也可以不读取,信息全都在配置在spring中 --> <!-- <property name="configLocation" value="classpath:mybatis-config.xml" /> --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="typeAliasesPackage" value="com.ssm.bean"></property> <property name="configurationProperties"> <props> <prop key="cacheEnabled">true</prop> <prop key="lazyLoadingEnabled">false</prop> </props> </property> <!--告诉spring扫描映射文件 --> <property name="mapperLocations" value="classpath:com/ssm/dao/mapper/*.xml"></property> </bean> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.ssm.dao.mapperInterface"></property> </bean> </beans> ``` ## 以下是spring-service.xml ``` <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 扫描添加了spring注解的类 --> <context:component-scan base-package="com.ssm.service.*" /> <!-- 采用注解方式配置 --> <context:annotation-config /> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 配置事务拦截器 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <!-- 注入事务属性 --> <tx:attributes> <tx:method name="get*" read-only="true" /> <tx:method name="find*" read-only="true" /> <tx:method name="select*" propagation="REQUIRED" rollback-for="Exception" /> </tx:attributes> </tx:advice> <!-- spring的aop配置 --> <aop:config proxy-target-class="true"> <aop:pointcut id="txPointcut" expression="execution(* com.ssm.service..*.*(..)) " /> <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut" /> </aop:config> </beans> ``` ## 以下spring-web.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:mvc="http://www.springframework.org/schema/mvc" 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/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> <!-- 配置SpringMVC --> <!-- 1.开启SpringMVC注解模式 --> <!-- 简化配置: (1)自动注册DefaultAnootationHandlerMapping,AnotationMethodHandlerAdapter (2)提供一些列:数据绑定,数字和日期的format @NumberFormat, @DateTimeFormat, xml,json默认读写支持 --> <mvc:annotation-driven /> <!-- 采用注解方式配置 --> <context:annotation-config /> <!-- 2.静态资源默认servlet配置 (1)加入对静态资源的处理:js,gif,png (2)允许使用"/"做整体映射 --> <!-- <mvc:resources mapping="/images/**" location="/images/"/> <mvc:resources mapping="/js/**" location="/js/"/> <mvc:resources mapping="/css/**" location="/css/"/> <mvc:resources mapping="/fonts/**" location="/fonts/"/> <mvc:resources mapping="/script/**" location="/script/"/> --> <mvc:default-servlet-handler/> <!-- 3.配置jsp 显示ViewResolver --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/page/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 4.扫描web相关的bean --> <context:component-scan base-package="com.ssm.web.controller" /> </beans> ``` ##最后是web.xml ``` <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <display-name>SSMDemo</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <!-- 配置spring读取的配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:spring-dao.xml classpath:spring-service.xml </param-value> </context-param> <!--配置监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 如果是用mvn命令生成的xml,需要修改servlet版本为3.1 --> <!-- 配置DispatcherServlet --> <servlet> <servlet-name>SpringMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 配置springMVC需要加载的配置文件 spring-dao.xml,spring-service.xml,spring-web.xml Mybatis - > spring -> springmvc --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-web.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>SpringMVC</servlet-name> <!-- 默认匹配所有的请求 --> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 配置编码过滤 --> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/</url-pattern> </filter-mapping> </web-app> ``` ##求解决!!

求大神指点,SSM项目 dao层测试出错,不知道问题在哪里

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