This property has been deprecated and will be removed in a future version.
Use directories instead.
Reason:
Introduction of new list-valued property 'directories'
plugins.required-plugins
Type
List<String>
Description
A list of ids for plugins that are required. If one of these plugins
is missing or could not be started, the application startup will be
aborted. This property is only effective when 'plugins.directories' is
set.