Stephen Duncan Jr

The mapAsyncUnordered output is the desired output (the whole item from the top-level is dropped when there is a failure in the sub-flow, but the other items that did not...

In the meantime, it seems like at least the docs should be updated to add this to the list, currently on the error handling page (http://doc.akka.io/docs/akka/current/scala/stream/stream-error.html) it lists: > ZipWith,...

I agree that an exception is pretty heavy-weight for this situation, which is unfortunate. It's also not made clear at all in the documentation, and it's not a specific exception...