How to correct PlantUML Line Path

Question

I created this diagram using the following code. But as you can see, the lines going from (Cancel Order) and (Place Order) to (Publisher) decide to take a terribly rounded p

Answer 1

Try the options suggested by @Peter Uhnak along with linetype :

skinparam linetype polyline
skinparam linetype ortho

Give better options for lines. Using ortho - (Here)

you will get -