MongoDB2.x升级到3.x解决方案

<!-- mongodb -->
<dependency>
　　<groupId>org.springframework.data</groupId>
　　<artifactId>spring-data-mongodb</artifactId>
　　<version>1.6.1.RELEASE</version>
</dependency>    
<dependency>
　　<groupId>org.mongodb</groupId>
　　<artifactId>mongo-java-driver</artifactId>
　　<version>2.12.4</version>
</dependency>
<dependency>
　　<groupId>org.springframework.data</groupId>
   <artifactId>spring-data-commons</artifactId>
    <version>1.9.1.RELEASE</version>
</dependency>

<?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:mongo="http://www.springframework.org/schema/data/mongo" xsi:schemaLocation="http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.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/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongo" ref="mongo" />
        <constructor-arg name="databaseName" value="${mongo.databa.sename}" />
        <constructor-arg name="userCredentials" ref="mongoCredentials" />
    </bean>
    <bean id="mongoCredentials" class="org.springframework.data.authentication.UserCredentials">
        <constructor-arg name="username" value="" />
        <constructor-arg name="password" value="" />
    </bean>
    <mongo:mongo host="${mongo.host}" port="${mongo.port}">
        <mongo:options connections-per-host="10" threads-allowed-to-block-for-connection-multiplier="100" connect-timeout="10000" max-wait-time="15000" auto-connect-retry="true" />
    </mongo:mongo>
    <bean id="mongoDao" class="com.tofba.dao.common.base.MongoDao">
        <property name="mongoTemplate" ref="mongoTemplate" />
    </bean>
</beans>

<dependency>
    <groupId>org.springframework.data</groupId>
    <artifactId>spring-data-mongodb</artifactId>
    <version>1.8.0.RELEASE</version>
</dependency>

<?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:mongo="http://www.springframework.org/schema/data/mongo" 
xsi:schemaLocation="http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/data/mongo  
    http://www.springframework.org/schema/data/mongo/spring-mongo.xsd">
    <mongo:mongo id="mongo" replica-set="${mongo.hostport}">
        <!-- 一些连接属性的设置 -->
        <mongo:options 
        connections-per-host="${mongo.connectionsPerHost}" 
        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="1" 
        write-timeout="0" 
        write-fsync="true"
        threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"  />
    </mongo:mongo>
    <mongo:db-factory dbname="${mongo.dbname}" mongo-ref="mongo" />
    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg ref="mongo" />
        <constructor-arg name="databaseName" value="${mongo.dbname}" />
        <constructor-arg name="userCredentials" ref="mongoCredentials" />
    </bean>
    <bean id="mongoCredentials" class="org.springframework.data.authentication.UserCredentials">
        <constructor-arg name="username" value="${mongo.username}" />
        <constructor-arg name="password" value="${mongo.password}" />
    </bean>
    <bean id="mongoDao" class="com.jiufang.dao.common.base.MongoDao">
        <property name="mongoTemplate" ref="mongoTemplate" />
    </bean>
</beans>
    <!-- mongodb -->