Ok ok, I know. This question has been asked a lot. But, so far, I have not found a working solution. I boiled my page down to nothing but this:
First of all you don't need row or col-*12 classes if your section is 100% wide look at this bootstrap example they have not taken any row or col-*12 neither with header nor jumbotron. If your section has column Just take row inside col-* classes for example
stuff
stuff
Fiddle
Or in case if you are using container-fluid
stuff
stuff
Fiddle