Hibernate version:3

Hi, i'm using hibernate 3 into tomcat with a db2/400 using jtopen library.
I have a problem, my iseries at 24:00 every day shutdown and restart 7:00am .
to the morning my web app throws "communication link failure", i have put this my hibernate.cfg




But don't work again, it's problem of my jtopen library? or or mistake me.
Can you help me to Reconnect to the database with hibernate please
Devis

Are you using Hibernate to create the connections by itself, or do you use Tomcats DataSource?
If you are using Tomcats DataSource, have a look in the Tomcat documentation on how to configure it.