Got error message as response "message as communication failure" i have added mysql connector in lib folder. can you please suggest me solution for this.
Your hostname in the JDBC URL doesn't seem to be correct.
You need to change
phpmyadmin.co to "what you use as the server name" in the phpmyadmin.co website:
Also you need to ensure that you're able to reach your server on the given port
3306 using telnet client application or equivalent
Check out The Real Secret to Building a Database Test Plan With JMeter article for more information on performing databases load testing using JMeter