緣由: com/mysql/cj/jdbc/Driver是6.0版本的驅動,兼容JDK8環境,不兼容JDK7環境,在基於jdk7的tomcat中編譯運行會出錯,在基於jdk8的tomcat中編譯運行則不會出錯。mysql
解決方案: 一、jdk7+老版5.0驅動com/mysql/jdbc/Driver 二、jdk8+新版6.0驅動com/mysql/cj/jdbc/Driversql