更新时间:2023-11-18 16:33:16
Your problem is related to the Mongo Reactive Streams Driver. The version that Alpakka uses is a little bit old (Aug 13, 2019). See in the Alpakka doc in the "direct dependencies" section:
org.mongodb mongodb-driver-reactivestreams 1.12.0
In that jar you can find the Success class: