Update code to throw a more user-friendly exception if index creation failure so it's easier to track what is going on.
Update code to throw a more user-friendly exception if index creation
failure so it's easier to track what is going on.

nzlosh/st2,nzlosh/st2,tonybaloney/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,tonybaloney/st2,tonybaloney/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2