MySQL Connection Timeout Issue - Grails Application on Tomcat using Hibernate and ORM

Question

I have a small grails application running on Tomcat in Ubuntu on a VPS. I use MySql as my datastore and everything works fine unless I leave the application for more than ha

Answer 1

Try increasing the number of open MySQL connections by putting the following in your DataSources.groovy:

dataSource {
     driverClassName = "com.mysql.jdbc.Driver"
     pooled=true
     maxActive=10
     initialSize=5
     // Remaining connection params
}

If you want to go the whole hog, try implementing a connection pool; here is a useful link on this.