配置MongoDB+Spring是时mongoTemplate的bean初始化失败问题

首先给出运行出错时的application-mongodb.xml中的信息:

<?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:util="http://www.springframework.org/schema/util"
       xmlns:mongo="http://www.springframework.org/schema/data/mongo"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
		http://www.springframework.org/schema/util 
		http://www.springframework.org/schema/util/spring-util-3.1.xsd
        http://www.springframework.org/schema/data/mongo 
        http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!-- 引入配置文件 -->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location" value="classpath:properties/mongodb.properties" />
    </bean>
  
    <!-- 定义mongo对象,对应的是mongodb官方jar包中的Mongo,replica-set设置集群副本的ip地址和端口 -->
    <mongo:mongo id="mongo" replica-set="${mongo.hostport}">
        <!-- 一些连接属性的设置 -->
        <mongo:options
                connections-per-host="${mongo.connectionsPerHost}"
                threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"
                connect-timeout="${mongo.connectTimeout}"
                max-wait-time="${mongo.maxWaitTime}"
                auto-connect-retry="${mongo.autoConnectRetry}"
                socket-keep-alive="${mongo.socketKeepAlive}"
                socket-timeout="${mongo.socketTimeout}"
                slave-ok="${mongo.slaveOk}"
                write-number="${mongo.write-number}"
                write-timeout="${mongo.write-timeout}"
                write-fsync="${mongo.write-fsync}"/>
        </mongo:mongo>

     <bean id="userCredentials" class="org.springframework.data.authentication.UserCredentials">
        <constructor-arg name="username" value="ywx" />
        <constructor-arg name="password" value="123456" />
    </bean>

    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name = "mongo" ref="mongo"/>
        <constructor-arg name="databaseName" value="ywx"/>
        <constructor-arg ref = "userCredentials"/>
    </bean>  
  
    <!--实体映射自动扫描注入的包 -->
	<mongo:mapping-converter>
		<mongo:custom-converters base-package="com.ywx.practice.mongodb.pojo" />
	</mongo:mapping-converter>
</beans>


运行报错信息:

[ERROR]-[org.springframework.web.context.ContextLoader] Context initialization failed
  org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mongoTemplate' defined in file [D:\ScalaWorkSpace\ywx\out\artifacts\ywx_war_exploded\WEB-INF\classes\spring\applicationContext-mongodb.xml]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.core.convert.support.ConversionServiceFactory.createDefaultConversionService()Lorg/springframework/core/convert/support/GenericConversionService;
	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:275)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1143)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1046)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
	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:772)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
	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:5110)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1899)
	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:618)
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:565)
	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 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 javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
	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:324)
	at sun.rmi.transport.Transport$1.run(Transport.java:200)
	at sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
	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:745)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.mongodb.core.MongoTemplate]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.core.convert.support.ConversionServiceFactory.createDefaultConversionService()Lorg/springframework/core/convert/support/GenericConversionService;
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
	at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:267)
	... 59 more
Caused by: java.lang.NoSuchMethodError: org.springframework.core.convert.support.ConversionServiceFactory.createDefaultConversionService()Lorg/springframework/core/convert/support/GenericConversionService;
	at org.springframework.data.mongodb.core.convert.MappingMongoConverter.<init>(MappingMongoConverter.java:100)
	at org.springframework.data.mongodb.core.MongoTemplate.getDefaultMongoConverter(MongoTemplate.java:1946)
	at org.springframework.data.mongodb.core.MongoTemplate.<init>(MongoTemplate.java:210)
	at org.springframework.data.mongodb.core.MongoTemplate.<init>(MongoTemplate.java:195)
	at org.springframework.data.mongodb.core.MongoTemplate.<init>(MongoTemplate.java:186)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
	... 61 more
修改后正常运行的application-mongodb.xml的信息:

<?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:util="http://www.springframework.org/schema/util"
       xmlns:mongo="http://www.springframework.org/schema/data/mongo"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
		http://www.springframework.org/schema/util 
		http://www.springframework.org/schema/util/spring-util-3.1.xsd
        http://www.springframework.org/schema/data/mongo 
        http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!-- 引入配置文件 -->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="location" value="classpath:properties/mongodb.properties" />
    </bean>
  
    <!-- 定义mongo对象,对应的是mongodb官方jar包中的Mongo,replica-set设置集群副本的ip地址和端口 -->
    <mongo:mongo id="mongo" replica-set="${mongo.hostport}">
        <!-- 一些连接属性的设置 -->
        <mongo:options
                connections-per-host="${mongo.connectionsPerHost}"
                threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"
                connect-timeout="${mongo.connectTimeout}"
                max-wait-time="${mongo.maxWaitTime}"
                auto-connect-retry="${mongo.autoConnectRetry}"
                socket-keep-alive="${mongo.socketKeepAlive}"
                socket-timeout="${mongo.socketTimeout}"
                slave-ok="${mongo.slaveOk}"
                write-number="${mongo.write-number}"
                write-timeout="${mongo.write-timeout}"
                write-fsync="${mongo.write-fsync}"/>
        </mongo:mongo>
    
    <!--连接池工厂配置 -->
	<mongo:db-factory dbname="ywx" username="ywx" password="123456" mongo-ref="mongo" />

    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name = "mongo" ref="mongo"/>
        <constructor-arg name="databaseName" value="ywx"/>
    </bean>  
  
    <!--实体映射自动扫描注入的包 -->
	<mongo:mapping-converter>
		<mongo:custom-converters base-package="com.ywx.practice.mongodb.pojo" />
	</mongo:mapping-converter>
</beans>
出错的配置文件中将mongodb的用户名和密码在一个用户验证的bean中,然后在mongoTemplate的bean中引用,这种方式使得hostport与username和password无法有效连接,而使用以上<mongo:db-factory>的标签方式可以引用定义了hostport的bean名为mongo,由此验证了mongodb的用户名和密码,然后再定义mongoTemplate的bean实例。由此问题得到解决。


over!




版权声明:本文为u010697988原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。