[JENKINS-49196] Shutdown in a new thread to avoid PrematureEOF
[JENKINS-49196] Shutdown in a new thread to avoid PrematureEOF

Add a new thread to exit Jenkins for the shutdown cli command to avoid
the Premature EOF IOException

patbos/jenkins,batmat/jenkins,MarkEWaite/jenkins,stephenc/jenkins,daniel-beck/jenkins,damianszczepanik/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,sathiya-mit/jenkins,v1v/jenkins,Jochen-A-Fuerbacher/jenkins,patbos/jenkins,damianszczepanik/jenkins,stephenc/jenkins,damianszczepanik/jenkins,patbos/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins,rsandell/jenkins,Vlatombe/jenkins,batmat/jenkins,DanielWeber/jenkins,rsandell/jenkins,godfath3r/jenkins,bkmeneguello/jenkins,stephenc/jenkins,viqueen/jenkins,oleg-nenashev/jenkins,stephenc/jenkins,ikedam/jenkins,patbos/jenkins,jenkinsci/jenkins,pjanouse/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,DanielWeber/jenkins,jenkinsci/jenkins,stephenc/jenkins,damianszczepanik/jenkins,Jochen-A-Fuerbacher/jenkins,batmat/jenkins,viqueen/jenkins,rsandell/jenkins,sathiya-mit/jenkins,recena/jenkins,Vlatombe/jenkins,damianszczepanik/jenkins,oleg-nenashev/jenkins,Vlatombe/jenkins,recena/jenkins,ikedam/jenkins,ikedam/jenkins,pjanouse/jenkins,MarkEWaite/jenkins,patbos/jenkins,recena/jenkins,viqueen/jenkins,DanielWeber/jenkins,godfath3r/jenkins,DanielWeber/jenkins,rsandell/jenkins,batmat/jenkins,DanielWeber/jenkins,v1v/jenkins,viqueen/jenkins,godfath3r/jenkins,v1v/jenkins,v1v/jenkins,rsandell/jenkins,batmat/jenkins,sathiya-mit/jenkins,jenkinsci/jenkins,Jochen-A-Fuerbacher/jenkins,MarkEWaite/jenkins,bkmeneguello/jenkins,MarkEWaite/jenkins,ikedam/jenkins,daniel-beck/jenkins,bkmeneguello/jenkins,ikedam/jenkins,rsandell/jenkins,daniel-beck/jenkins,pjanouse/jenkins,pjanouse/jenkins,oleg-nenashev/jenkins,Vlatombe/jenkins,ikedam/jenkins,godfath3r/jenkins,jenkinsci/jenkins,stephenc/jenkins,rsandell/jenkins,godfath3r/jenkins,bkmeneguello/jenkins,jenkinsci/jenkins,rsandell/jenkins,jenkinsci/jenkins,recena/jenkins,recena/jenkins,pjanouse/jenkins,jenkinsci/jenkins,Jochen-A-Fuerbacher/jenkins,bkmeneguello/jenkins,stephenc/jenkins,viqueen/jenkins,godfath3r/jenkins,MarkEWaite/jenkins,godfath3r/jenkins,oleg-nenashev/jenkins,daniel-beck/jenkins,Jochen-A-Fuerbacher/jenkins,ikedam/jenkins,damianszczepanik/jenkins,v1v/jenkins,sathiya-mit/jenkins,oleg-nenashev/jenkins,sathiya-mit/jenkins,Jochen-A-Fuerbacher/jenkins,oleg-nenashev/jenkins,viqueen/jenkins,Vlatombe/jenkins,patbos/jenkins,bkmeneguello/jenkins,pjanouse/jenkins,batmat/jenkins,sathiya-mit/jenkins,ikedam/jenkins,batmat/jenkins,v1v/jenkins,recena/jenkins,Vlatombe/jenkins,bkmeneguello/jenkins,daniel-beck/jenkins,oleg-nenashev/jenkins,DanielWeber/jenkins,viqueen/jenkins,DanielWeber/jenkins,patbos/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,recena/jenkins,sathiya-mit/jenkins,Jochen-A-Fuerbacher/jenkins,jenkinsci/jenkins,Vlatombe/jenkins,v1v/jenkins