Info message

[loliserver]

This message is normal?

[info]: Pinging SQL server to keep connection alive...

It is shown many times in the console.

 

[Angelmelody]

it's normal and can be caused 'wait_timeout' being set too low , you can set the 'wait_timeout' to higher value

 

[loliserver]

Thanks, wait_timeout is mysql config right?

 

[Angelmelody]

Thanks, wait_timeout is mysql config right?

yes, my.cnf(linux) or my.ini(windows)

http://www.serveridol.com/2012/04/13/mysql-interactive_timeout-vs-wait_timeout/