Hi Juri Zeisler,
You may need to get a look on how the UserGroupCallback is implemented in your environment.
If you use the default User Group Callback from JBPM 5.4 Installer, it will look for valid user and groups from
But this is just a default implementation,
You can even make your own User Group Callback implementation to get valid user from somewhere else,
Take a look at the documentation to get more info:
thank you for your answer. I think I understand now how the user management is done. But what are the entries in the organizationalentity table user for?