If I attempt to create a datasource from incomplete parameters, the error message returned refers to the "admin console log file". Currently, we are logging to the server log file, so the error messages should lead to the log file, not the wild goose :)
Failed to create the dataSource, please check the admin console log file for detail.
No No-Transaction DataSources are currently deployed
The problem has been fixed in a recent check-in. The message now refers to the server log.