Seems I was missing the licence file that needs to be copied with the .jar
Anyway if anybody has problems with that this topic:
Is the best I have found on the subject...
Now I got :
--- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
Depends On Me:
But it looks more like a JBoss portal error so maybe it's not the right place to talk about it
Maybe you put the com.ibm.db2.jdbc.app.DB2Driver in wrong place.
You should put it in the path:$JBOSS_HOME/conf/$YOUR_CONFIG(default)/lib/