The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Effective in version 10.2.2, the data type of the key header port in the Kafka target is binary. Previously, the data type of the key header port was string.
After you upgrade, to run an existing streaming mapping, you must re-create the data object, and update the streaming mapping with the newly created data object.
For more information about re-creating the data object, see the