I have a Processor configured to use a few controller services (A Record Reader and Record Writer). Each of those services is dependent on the AvroSchemaRegistry service. All are defined on the root group.
The Processor is within a sub-group. If I go to disable the Record Reader or Record Writer, all works as expected. However, if I attempt to disable the AvroSchemaRegistry controller service, UI shows that it is "Stopping Referencing Processors and Reporting Tasks" and then the spinner spins indefinitely. Chrome developer tools shows the following error: