Tomcat下JNDI数据源配置

//Tomcat下/conf/context.xml的配置
<!-- The contents of this file will be loaded for each web application -->
<Context path="by"     
         docBase="E:\Apache Software Foundation\Tomcat 6.0\webapps\by"   
         debug="5"     
         reloadable="true"     
         crossContext="true"> 

    <!-- Default set of monitored resources -->
    <WatchedResource>WEB-INF/web.xml</WatchedResource>

    <!-- Uncomment this to disable session persistence across Tomcat restarts -->
    <!--
    <Manager pathname="" />
    -->
<Resource
		name="jdbc/by"
		auth="Container"
		type="javax.sql.DataSource"
		driverClassName="com.mysql.jdbc.Driver"
		maxIdle="100"
		maxWait="5000"
		removeAbandoned="true"
		logAbndoned="true"
		removeAbandonedTimeout="60"
	    username="root"
		password="root"
		url="jdbc:mysql://localhost:3306/by?unicode=true&characterEncoding=UTF-8"
		maxActive="4"/>
</Context>