????C3P0????????????????JDBC??????????lib??????Hibernate????????????????jdbc3??jdbc2????淶?????Connection ??Statement ???DataSources ????
????BoneCP ?????????????? JDBC ??????BoneCP??С??????????K??????????log4j??Google Collections??????????????????С????????????? C3P0 ??????K???????????? BoneCP ?и???????JDBC??????????????????????????????Щ??÷??????????????????????????С?????? BoneCP ?????BoneCP ???????????????????????????????檔
????DBCP ??Database Connection Pool???????????Jakarta commons-pool????????????????????Tomcat?????????????DBCP???? DBCP ???????汾????? 1.3 ?? 1.4??1.3 ?汾??????? JDK 1.4-1.5 ?? JDBC 3????1.4 ?汾??? JDK 1.6 ?? JDBC 4??????????汾??????????????????? JDK ?汾?????????????????????
????Proxool?????Java SQL Driver?????????????????????????????????????????????????????????????????????С?????????á???????????????????????????????JDBC?????????????????????