[FIX JENKINS-33418] exit if elem not defined
[FIX JENKINS-33418] exit if elem not defined

tangkun75/jenkins,dennisjlee/jenkins,ydubreuil/jenkins,bkmeneguello/jenkins,jglick/jenkins,Jochen-A-Fuerbacher/jenkins,tfennelly/jenkins,dennisjlee/jenkins,SebastienGllmt/jenkins,patbos/jenkins,Ykus/jenkins,sathiya-mit/jenkins,pjanouse/jenkins,wuwen5/jenkins,jenkinsci/jenkins,ajshastri/jenkins,jenkinsci/jenkins,amuniz/jenkins,wuwen5/jenkins,NehemiahMi/jenkins,ikedam/jenkins,azweb76/jenkins,Ykus/jenkins,evernat/jenkins,batmat/jenkins,escoem/jenkins,fbelzunc/jenkins,damianszczepanik/jenkins,tangkun75/jenkins,Jochen-A-Fuerbacher/jenkins,bkmeneguello/jenkins,bpzhang/jenkins,stephenc/jenkins,escoem/jenkins,dariver/jenkins,stephenc/jenkins,batmat/jenkins,bkmeneguello/jenkins,Jimilian/jenkins,tfennelly/jenkins,bpzhang/jenkins,vjuranek/jenkins,kohsuke/hudson,jpbriend/jenkins,jglick/jenkins,alvarolobato/jenkins,kohsuke/hudson,ajshastri/jenkins,viqueen/jenkins,christ66/jenkins,gitaccountforprashant/gittest,evernat/jenkins,varmenise/jenkins,kohsuke/hudson,Jimilian/jenkins,christ66/jenkins,FarmGeek4Life/jenkins,varmenise/jenkins,azweb76/jenkins,vjuranek/jenkins,recena/jenkins,wuwen5/jenkins,godfath3r/jenkins,alvarolobato/jenkins,fbelzunc/jenkins,godfath3r/jenkins,sathiya-mit/jenkins,viqueen/jenkins,rlugojr/jenkins,Jimilian/jenkins,samatdav/jenkins,DanielWeber/jenkins,andresrc/jenkins,ydubreuil/jenkins,DanielWeber/jenkins,daniel-beck/jenkins,ajshastri/jenkins,ndeloof/jenkins,patbos/jenkins,godfath3r/jenkins,batmat/jenkins,MarkEWaite/jenkins,NehemiahMi/jenkins,vjuranek/jenkins,tfennelly/jenkins,olivergondza/jenkins,oleg-nenashev/jenkins,dennisjlee/jenkins,NehemiahMi/jenkins,ydubreuil/jenkins,kohsuke/hudson,christ66/jenkins,stephenc/jenkins,dariver/jenkins,ErikVerheul/jenkins,viqueen/jenkins,gusreiber/jenkins,lilyJi/jenkins,bkmeneguello/jenkins,andresrc/jenkins,v1v/jenkins,DanielWeber/jenkins,tfennelly/jenkins,rsandell/jenkins,protazy/jenkins,gusreiber/jenkins,ErikVerheul/jenkins,hplatou/jenkins,ikedam/jenkins,daniel-beck/jenkins,stephenc/jenkins,daniel-beck/jenkins,FarmGeek4Life/jenkins,gusreiber/jenkins,olivergondza/jenkins,ErikVerheul/jenkins,SebastienGllmt/jenkins,pjanouse/jenkins,patbos/jenkins,wuwen5/jenkins,ndeloof/jenkins,aldaris/jenkins,damianszczepanik/jenkins,ErikVerheul/jenkins,azweb76/jenkins,patbos/jenkins,v1v/jenkins,amuniz/jenkins,bpzhang/jenkins,oleg-nenashev/jenkins,Vlatombe/jenkins,evernat/jenkins,lilyJi/jenkins,hplatou/jenkins,fbelzunc/jenkins,andresrc/jenkins,ErikVerheul/jenkins,Vlatombe/jenkins,dariver/jenkins,olivergondza/jenkins,jglick/jenkins,stephenc/jenkins,lilyJi/jenkins,ikedam/jenkins,olivergondza/jenkins,jglick/jenkins,SebastienGllmt/jenkins,ydubreuil/jenkins,stephenc/jenkins,jpbriend/jenkins,gitaccountforprashant/gittest,pjanouse/jenkins,MichaelPranovich/jenkins_sc,varmenise/jenkins,ErikVerheul/jenkins,andresrc/jenkins,damianszczepanik/jenkins,sathiya-mit/jenkins,azweb76/jenkins,tfennelly/jenkins,protazy/jenkins,rlugojr/jenkins,alvarolobato/jenkins,ydubreuil/jenkins,rsandell/jenkins,recena/jenkins,NehemiahMi/jenkins,oleg-nenashev/jenkins,MichaelPranovich/jenkins_sc,gitaccountforprashant/gittest,evernat/jenkins,gitaccountforprashant/gittest,v1v/jenkins,pjanouse/jenkins,fbelzunc/jenkins,damianszczepanik/jenkins,jglick/jenkins,ikedam/jenkins,batmat/jenkins,NehemiahMi/jenkins,FarmGeek4Life/jenkins,batmat/jenkins,olivergondza/jenkins,Jimilian/jenkins,rlugojr/jenkins,sathiya-mit/jenkins,damianszczepanik/jenkins,rsandell/jenkins,rlugojr/jenkins,DanielWeber/jenkins,tangkun75/jenkins,jenkinsci/jenkins,escoem/jenkins,MichaelPranovich/jenkins_sc,gitaccountforprashant/gittest,recena/jenkins,andresrc/jenkins,recena/jenkins,escoem/jenkins,damianszczepanik/jenkins,fbelzunc/jenkins,dennisjlee/jenkins,godfath3r/jenkins,varmenise/jenkins,FarmGeek4Life/jenkins,jpbriend/jenkins,fbelzunc/jenkins,amuniz/jenkins,varmenise/jenkins,ndeloof/jenkins,dariver/jenkins,jenkinsci/jenkins,bkmeneguello/jenkins,fbelzunc/jenkins,protazy/jenkins,protazy/jenkins,Jochen-A-Fuerbacher/jenkins,godfath3r/jenkins,v1v/jenkins,godfath3r/jenkins,samatdav/jenkins,oleg-nenashev/jenkins,ndeloof/jenkins,bkmeneguello/jenkins,FarmGeek4Life/jenkins,lilyJi/jenkins,recena/jenkins,aldaris/jenkins,MarkEWaite/jenkins,Jochen-A-Fuerbacher/jenkins,aldaris/jenkins,MarkEWaite/jenkins,ydubreuil/jenkins,Jimilian/jenkins,Jochen-A-Fuerbacher/jenkins,dennisjlee/jenkins,Jimilian/jenkins,dariver/jenkins,vjuranek/jenkins,samatdav/jenkins,rsandell/jenkins,jpbriend/jenkins,wuwen5/jenkins,Vlatombe/jenkins,azweb76/jenkins,v1v/jenkins,NehemiahMi/jenkins,daniel-beck/jenkins,olivergondza/jenkins,tangkun75/jenkins,escoem/jenkins,SebastienGllmt/jenkins,jpbriend/jenkins,v1v/jenkins,jpbriend/jenkins,jglick/jenkins,dariver/jenkins,christ66/jenkins,jpbriend/jenkins,v1v/jenkins,dariver/jenkins,daniel-beck/jenkins,batmat/jenkins,samatdav/jenkins,Ykus/jenkins,andresrc/jenkins,Jochen-A-Fuerbacher/jenkins,wuwen5/jenkins,dennisjlee/jenkins,SebastienGllmt/jenkins,escoem/jenkins,recena/jenkins,tangkun75/jenkins,ikedam/jenkins,lilyJi/jenkins,kohsuke/hudson,jenkinsci/jenkins,MarkEWaite/jenkins,hplatou/jenkins,gusreiber/jenkins,andresrc/jenkins,oleg-nenashev/jenkins,ajshastri/jenkins,MarkEWaite/jenkins,patbos/jenkins,MichaelPranovich/jenkins_sc,rsandell/jenkins,hplatou/jenkins,oleg-nenashev/jenkins,daniel-beck/jenkins,vjuranek/jenkins,bkmeneguello/jenkins,godfath3r/jenkins,ydubreuil/jenkins,amuniz/jenkins,SebastienGllmt/jenkins,christ66/jenkins,azweb76/jenkins,FarmGeek4Life/jenkins,daniel-beck/jenkins,sathiya-mit/jenkins,varmenise/jenkins,protazy/jenkins,stephenc/jenkins,Vlatombe/jenkins,pjanouse/jenkins,evernat/jenkins,DanielWeber/jenkins,viqueen/jenkins,rsandell/jenkins,MarkEWaite/jenkins,pjanouse/jenkins,sathiya-mit/jenkins,Jochen-A-Fuerbacher/jenkins,amuniz/jenkins,hplatou/jenkins,azweb76/jenkins,samatdav/jenkins,ErikVerheul/jenkins,aldaris/jenkins,NehemiahMi/jenkins,viqueen/jenkins,tangkun75/jenkins,Ykus/jenkins,SebastienGllmt/jenkins,olivergondza/jenkins,dennisjlee/jenkins,ajshastri/jenkins,rlugojr/jenkins,aldaris/jenkins,MichaelPranovich/jenkins_sc,rlugojr/jenkins,tfennelly/jenkins,escoem/jenkins,rsandell/jenkins,samatdav/jenkins,alvarolobato/jenkins,MichaelPranovich/jenkins_sc,alvarolobato/jenkins,ikedam/jenkins,jenkinsci/jenkins,oleg-nenashev/jenkins,batmat/jenkins,ajshastri/jenkins,amuniz/jenkins,kohsuke/hudson,ajshastri/jenkins,tangkun75/jenkins,viqueen/jenkins,aldaris/jenkins,DanielWeber/jenkins,gusreiber/jenkins,bpzhang/jenkins,Vlatombe/jenkins,Vlatombe/jenkins,rlugojr/jenkins,jglick/jenkins,christ66/jenkins,christ66/jenkins,recena/jenkins,ndeloof/jenkins,damianszczepanik/jenkins,alvarolobato/jenkins,viqueen/jenkins,daniel-beck/jenkins,vjuranek/jenkins,gusreiber/jenkins,gitaccountforprashant/gittest,amuniz/jenkins,Ykus/jenkins,damianszczepanik/jenkins,alvarolobato/jenkins,bpzhang/jenkins,sathiya-mit/jenkins,tfennelly/jenkins,MichaelPranovich/jenkins_sc,Ykus/jenkins,vjuranek/jenkins,DanielWeber/jenkins,ndeloof/jenkins,wuwen5/jenkins,FarmGeek4Life/jenkins,protazy/jenkins,bpzhang/jenkins,gusreiber/jenkins,protazy/jenkins,hplatou/jenkins,patbos/jenkins,aldaris/jenkins,lilyJi/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,bpzhang/jenkins,varmenise/jenkins,hplatou/jenkins,ikedam/jenkins,gitaccountforprashant/gittest,lilyJi/jenkins,kohsuke/hudson,samatdav/jenkins,MarkEWaite/jenkins,patbos/jenkins,ndeloof/jenkins,evernat/jenkins,evernat/jenkins,Ykus/jenkins,Vlatombe/jenkins,ikedam/jenkins,kohsuke/hudson,jenkinsci/jenkins,rsandell/jenkins,Jimilian/jenkins,pjanouse/jenkins