Scarab 0.21 + Derby

Hello Community,

the tutorial given for MySQL is very nice.
Is there another tutorial for the usage of Scarab with Derby?

I've tried some stuff but this won't work...
Moreover I retrieve the following stacktrace from scarab:
[ERROR] BasePeer - -getPendingNotifications(): 
org.apache.torque.TorqueException: 
org.apache.commons.dbcp.SQLNestedException: could not retrieve 
connection info from pool
[ERROR] ScarabUserImpl - -An exception prevented retrieving any modules 
(org.apache.torque.TorqueException: 
org.apache.common.dbcp.SQLNestedException: Could not retrieve connection 
info from pool)orbg.apache.torque.TorqueException: 
org.apache.commons.dbcp.SQLNestedException: Could not retrieve 
connection info from pool
...

What changes have to be done to get Scarab together with Derby working?

regards,

Maik Schlotter