The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped

Question

I\'ve seen few similar issues on stackoverflow but i could not figure out how i can solve my problem. After adding Spring Security to my Spring MVC project i got following e

Answer 1

what i did was just to put the mysql-connector-java-5.1.31-bin.jar in $CATALINA_HOME/lib. no modifications to server.xml.