com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed

Question

I built an application and deployed locally ... and it was working perfectly. I deployed it on a remote server and started getting the exception mentioned in the subject lin

Answer 1

This is due to using obsolete mysql-connection-java version, your MySQl is updated but not your MySQL jdbc Driver, you can update your connection jar from the official site Official MySQL Connector site. Good Luck.