Bug #4071: Do not send an empty service name
Bug #4071: Do not send an empty service name

(cherry picked from commit effe92acf5465d406779c2da640d80bc32a2b7ef)

hsanjuan/one,hsanjuan/one,goberle/one,baby-gnu/one,fasrc/one,juanmont/one,OpenNebula/one,unistra/one,hsanjuan/one,atodorov-storpool/one,OpenNebula/one,goberle/one,goberle/one,fasrc/one,juanmont/one,juanmont/one,unistra/one,juanmont/one,fasrc/one,ohamada/one,goberle/one,fasrc/one,OpenNebula/one,atodorov-storpool/one,juanmont/one,atodorov-storpool/one,OpenNebula/one,abelCoronado93/one,fasrc/one,atodorov-storpool/one,ohamada/one,OpenNebula/one,abelCoronado93/one,goberle/one,baby-gnu/one,alvarosimon/one,alvarosimon/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,abelCoronado93/one,baby-gnu/one,abelCoronado93/one,abelCoronado93/one,ohamada/one,hsanjuan/one,atodorov-storpool/one,alvarosimon/one,unistra/one,alvarosimon/one,ohamada/one,hsanjuan/one,baby-gnu/one,juanmont/one,fasrc/one,OpenNebula/one,fasrc/one,OpenNebula/one,unistra/one,hsanjuan/one,alvarosimon/one,unistra/one,atodorov-storpool/one,abelCoronado93/one,ohamada/one,unistra/one,ohamada/one,abelCoronado93/one,alvarosimon/one,goberle/one,unistra/one,ohamada/one,hsanjuan/one,ohamada/one,unistra/one,abelCoronado93/one,baby-gnu/one,juanmont/one,alvarosimon/one,goberle/one,baby-gnu/one,hsanjuan/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,goberle/one,alvarosimon/one,fasrc/one,juanmont/one,atodorov-storpool/one,juanmont/one