MYSQL数据连接池配置
在 apache-tomcat-7.0.25/conf
里面的context
 
   type="javax.sql. DataSource"  maxActive="100" maxIdle="30" maxWait="10000"  username="root" password="123456"  driverClassName="com.mysql.jdbc.Driver"  url="jdbc:mysql://localhost:3306/bookstore?autoReconnect=true"  removeAbandoned="true" removeAbandonedTimeout="60" logAbandoned="true"/>