嚴重: The web application [/xxx] registered the JDBC driver [oracle.jdbc.OracleDriver] but failed to unregister it when the web application was stopped .To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
通過servlet連接Oracle時報錯。
原因 在Tomcat--lib 包中導入ojdbc.jar包 有重複在web應用下的lib導入jar包 。jar包衝突。