In mysql Ruined Library: This example only needs Copy complete JAR files to lib and lines the package inside Hibernate; the package in Struts; (Repeat package in Hibernate) Spring. Just need Copy Spring.jar, Because other spring - *. JAR has already included also need Copy AopAlliance.jar in Spring.jar, otherwise I will throw the org.springframework.transaction.interceptoryBean Depends on no found last copy standard.jar, otherwise throws out An exception said that JSTL did not send instantiation, but also mysql-connector-java-3.0.11-stable-bin.jar modified Proxool.xml where the username and password to connect to MySQL correctly