EDIT

Hi Andreas,

what can be the cause for this odd issue.

Andreas

This is often the case for imports running from commandline. They can run without authentification. It is also the case as far as I can see as all TaxonName and Registration with createdby_id IS NULL have almost the same created date.

Is there any problem with createdby_id = NULL or can we close the ticket?

I consider this as problematic since it it a source for potential errors and misuse of the cdm entities.
We are very eager to provide a clear API to developers that helps avoiding errors. For example the Reference model provides interfaces for each reference type!

On the other hand we now have the createdBy field. An entity that exists has obviously been created by someone, otherwise it could not exists at all. This field now can be just null in some cases which are not clear to anyone but to the person who wrote and ran the import.

I think we either force createdBy to never be null and set all null values to the user id '10' or we should clearly indicate in the documentation of the getter that the createdBy user can be null.

Applied in changeset cdmlib|d199517b4b86e38386578de341491f62819ea651.