Using domain exceptions in your app is an important step if you want to create abstractions over different 3rd party networking libraries like Retrofit or gRPC. Handling and mapping of these exceptions can quickly become a boilerplate that you and your colleagues have to think about and sooner or later you will probably forget to do it somewhere in your code. I want to explore how this task can be done automatically in a generic and clean way when using the Retrofit library. (more…)