Roland Kuhn questions

Roland Kuhn answers

• how to tell akka actor sends message to other actor's mailbox successfully? [closed]
• How to log all incoming messages from Akka (Java)
• Using @Transactional on actors class definition with Akka 2.X.X?
• Why exactly does akka need immutable messages
• Persisting Akka state in case of a crash
• Akka testing - sender is deadLetters
• on demand actor get or else create
• Giving an ActorPath for a testProbe
• Akka-remote over the Internet
• Akka Java - Creating recursive child actors on the fly?