Fix 'org.jboss.msc.Service' API to enable proper service installation --------------------------------------------------------------------- Key: WFLY-11810 URL: https://issues.jboss.org/browse/WFLY-11810 Project: WildFly Issue Type: Bug Components: MSC Affects Versions: 16.0.0.Final Reporter: Jan Stourac Assignee: Jeff Mesnil Priority: Major I have no necessary insight regarding to the code but based on the discussion in WFLY-11603 ([comment|https://issues.jboss.org/browse/WFLY-11603?focusedCommentId=13687...]) it is not possible to use 'org.jboss.msc.Service' API to properly install service and deprecated 'org.jboss.msc.service.Service' API has to be used instead. It is necessary to fix the behavior of the new API so when we switch to it, we don't introduce the issue described and fixed in WFLY-11603 again. As it was an intermittent NPE, there is a risk that during the simple switch from deprecated API the introduced issue is not caught right-away but after some time...