jdbc 数据库连接 长时间空闲 断开连接 ApplicationContext.xml

数据库连接 长时间空闲 断开连接
solution:

<property name="validationQuery" value="select 1"/>    <!-- 执行没有实际意义的sql -->
<property name="testWhileIdle" value="true" />
<property name="removeAbandoned" value="true"/> 

 

.\src\main\resources\ApplicationContext.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:util="http://www.springframework.org/schema/util" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:jee="http://www.springframework.org/schema/jee"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:task="http://www.springframework.org/schema/task"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsd
        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd 
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd 
        http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.0.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd" xmlns:aop="http://www.springframework.org/schema/aop">

    <description>Spring公共配置 </description>
    
    <context:property-placeholder ignore-unresolvable="true" file-encoding="utf-8" 
            location="classpath:config.properties,classpath:jdbc.properties" />

    <!-- 使用annotation 自动注册bean, 并保证@Required、@Autowired的属性被注入 -->
    <context:component-scan base-package="com.tsinghuadtv.www" use-default-filters="true">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

    <!-- 使用annotation定义事务 -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />

	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis/config.xml"/>
        <property name="mapperLocations" value="classpath*:mybatis/mappers/**/*.xml"/>
        <property name="typeHandlers" value="#{getObject('typeHandlers')}" />
    </bean>

	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.tsinghuadtv.www.mapper" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
	</bean>
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
        <constructor-arg index="0" ref="sqlSessionFactory"/>
    </bean>

    <!-- 数据源配置, 使用Tomcat JDBC连接池 -->
	<bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close">
        <!-- Connection Info -->
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />

        <!-- Connection Pooling Info -->
        <property name="maxActive" value="${jdbc.pool.maxActive}" />
        <property name="maxIdle" value="${jdbc.pool.maxIdle}" />
        <property name="minIdle" value="10" />
        <property name="defaultAutoCommit" value="false" />
        <property name="validationQuery" value="select 1"/> 
        <property name="testWhileIdle" value="true" />
        <property name="removeAbandoned" value="true"/>
    </bean>
    
    <!-- 配置jdbcTemplate -->
	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    	<property name="dataSource" ref="dataSource"></property>
    </bean>
     
    <bean class="com.tsinghuadtv.www.model.filter.OrderByBuilder">
	  	<property name="configFile" value="classpath:mybatis/PropertyColumnMapping.xml"/>
	</bean>
	
	<!-- 定时任务annotation驱动 -->
    <task:annotation-driven/>

</beans>

　　

.\src\main\resources\jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver

jdbc.url=jdbc:mysql://127.0.0.1/dbname?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&allowMultiQueries=true
jdbc.username=root
jdbc.password=

#connection pool settings
jdbc.pool.maxIdle=20
jdbc.pool.maxActive=300