java.sql.SQLTransacyionRollbackException:A lock could not be obtained within the time requested
This might help; it has a lot of additional information about what
is happening with your application and how you can learn more about it:
http://wiki.apache.org/db-derby/LockDebugging
You can also find a lot of valuable information here:
http://db.apache.org/derby/docs/10.11/devguide/cdevconcepts30291.html
thanks,
bryan
