An exception is a noisy failure, and the supervisor is whatever try/catch that it bubles up to. Still, Erlang style has it's own complexities. It is in essence

An exception is a noisy failure, and the supervisor is whatever try/catch that it bubles up to. Still, Erlang style has it's own complexities. It is in essence a network of micro services, and creating that overlay network and manuvering in it isn't simple.