When trying to create a data source in the advanced reporting tab, you need to specify the parameters for an jdbc connection to Oracle (thin client)
The interface is asking username/pw, host, port and Service name.
This results in a connection string like :
http://<host name>:<portnumber>:<service name>
This can result in an error message for the connection.
Make sure you specify the following instead:
http://<host name>:<portnumber>/<service name>
This will make your connection work.