tomcat：8.5.8
持久層：mybatis，druid-1.1.16.jar
registered the JDBC driver [com.alibaba.druid.proxy.DruidDriver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
網上的解決方案都不行
問題：密碼錯誤嘗試上線，資料庫連結不上