求助springmvc+mongoDB整合无法注入MongoTemplate，折腾两天了

极客时代 2019-02-23 03:29:17

springmvc+mongoDB整合无法注入MongoTemplate，折腾两天了，有没有大佬帮帮我
异常信息

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'loginController': Unsatisfied dependency expressed through field 'mongoTemplate'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'org.springframework.data.mongodb.core.MongoTemplate' 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:587)

	org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91)

	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1350)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:580)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)

	org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)

	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)

	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)

	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)

	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)

	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:672)

	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:638)

	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:686)

	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:554)

	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:499)

	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:172)

	javax.servlet.GenericServlet.init(GenericServlet.java:158)

	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)

	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)

	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)

	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)

	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)

	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791)

	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417)

	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 'org.springframework.data.mongodb.core.MongoTemplate' 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:1509)

	org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)

	org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065)

	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:584)

	org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91)

	org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1350)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:580)

	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)

	org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)

	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)

	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)

	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)

	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)

	org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:672)

	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:638)

	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:686)

	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:554)

	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:499)

	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:172)

	javax.servlet.GenericServlet.init(GenericServlet.java:158)

	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)

	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)

	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)

	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)

	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)

	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791)

	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417)

	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)

springmvc.xml配置文件

<?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:mvc="http://www.springframework.org/schema/mvc"

	xmlns:tx="http://www.springframework.org/schema/tx"

	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.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-4.3.xsd

		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd

		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">



	<!-- 扫描路由控制器 -->

	<context:component-scan base-package="net.fuzui"></context:component-scan>

	

	<!-- 视图解析器 -->

	<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

		<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>

		<property name="prefix" value="/WEB-INF/views"></property>

		<property name="suffix" value=".jsp"></property>

	</bean>	

	

	<!--  -->

	<mvc:default-servlet-handler/>

	

	<!-- 支持注解 -->

	<mvc:annotation-driven></mvc:annotation-driven>

</beans>

...全文

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mongo配置文件

<?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:mongo="http://www.springframework.org/schema/data/mongo"

	xmlns:mvc="http://www.springframework.org/schema/mvc"

	xmlns:p="http://www.springframework.org/schema/p"

	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/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd

		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd

		http://www.springframework.org/schema/data/mongo http://www.springframework.org/schema/data/mongo/spring-mongo-1.5.xsd

		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd

		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">





	<bean id="mongo"

		class="org.springframework.data.mongodb.core.MongoFactoryBean">

		

		<property name="host" value="127.0.0.1"></property>

		<property name="port" value="27017"></property>

	</bean>

	



	

	<bean id="mongoTemplate"

		class="org.springframework.data.mongodb.core.MongoTemplate">

		<constructor-arg name="mongo" ref="mongo" />

		<constructor-arg name="databaseName" value="fuzui" />

	</bean>



</beans>

web.xml

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

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

  <display-name>mongodb</display-name>

  <welcome-file-list>

    

    <welcome-file>index.jsp</welcome-file>

    

  </welcome-file-list>

  

  

  	<!-- 加载spring ioc容器 -->

	<context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath:mongo.xml</param-value>

    </context-param>

  

  

  

  <!-- The front controller of this Spring Web application, responsible for handling all application requests -->

	<servlet>

		<servlet-name>springmvc</servlet-name>

		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

		<init-param>

			<param-name>contextConfigLocation</param-name>

			<param-value>classpath:springmvc.xml</param-value>

		</init-param>

		<load-on-startup>1</load-on-startup>

	</servlet>



	<!-- Map all requests to the DispatcherServlet for handling -->

	<servlet-mapping>

		<servlet-name>springmvc</servlet-name>

		<url-pattern>/</url-pattern>

	</servlet-mapping>

	

	

	<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>

	

	

	

	<filter>

		<filter-name>HiddenHttpMethodFilter</filter-name>

		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>

	</filter>



	<filter-mapping>

		<filter-name>HiddenHttpMethodFilter</filter-name>

		<url-pattern>/*</url-pattern>

	</filter-mapping>

	

</web-app>

其中一个控制类

package net.fuzui.mongo;



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



import org.springframework.data.mongodb.core.MongoTemplate;

import org.springframework.data.mongodb.core.query.Criteria;

import org.springframework.data.mongodb.core.query.Query;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestParam;



/**

 * @author fuzui

 * @date 2019年2月22日 下午4:01:54

 * 

 */

@Controller





public class LoginController {

	

	

	@Autowired

	MongoTemplate mongoTemplate;

	

	@RequestMapping(value= {"login"})

	public String login() {

		System.out.println("进入login");

		return "/login";

	}

	

	@RequestMapping(value= {"loginUser"})

	public String loginUser(Model model,@RequestParam String username,

			@RequestParam String password) {

		System.out.println("进入loginUser");

		Query query = new Query();

		query.addCriteria(Criteria.where("username").is(username));

		query.addCriteria(Criteria.where("password").is(password));

		

		if(mongoTemplate.count(query, User.class)>0) {

			//根据账号密码去mongodb数据库中查询User集合，数量大于0，则登录成功

			return "/index";

		}

		

		return "/login";

	}

	

	

}