After rebooting the server, the oracle connection from the Tomcat server times out every night. Prior to the reboot, the connection didn\'t timeout. Now, in the morning, the
Check applications connection Pool settings, rather than altering any session timout settings on the oracle db. It's normal that they time out.
Have a look here: http://grails.org/doc/1.0.x/guide/3.%20Configuration.html#3.3%20The%20DataSource
Are you sure that you have set the "pooled" parameter correctly?
Greetings, Lars
EDIT:
Your config seems ok on first glimpse.
I came across this issue today. Maybe it is related to your pain:
"Infinite loop of exceptions if the application is started when the database is down for maintenance"