Thanks. I still think that the docs need to be strengthened to state that 
the Processor will not work unless it receives a Recover message, and that 
the Recover message could take several forms depending on the recovery 
goals.


On Monday, May 5, 2014 11:40:59 PM UTC-6, Martin Krasser wrote:
>
>  
> On 06.05.14 04:26, Vaughn Vernon wrote:
>  
> When I override preStart in any way other than invoking super.preStart() 
> my actor is unable to receive any kind of message. It seems to be stashing 
> messages, but never delivering them. The only way I can work around this is 
> by leaving preStart as defaulted, and using the mode variables 
> recoveryRunning or receoveryFinished. (Or I can send Recover myself.) 
>
>  I found this: 
> https://groups.google.com/d/msg/akka-user/EBV0pLttClk/oP_wixqFSw8J
>
>  By this this it seems to me that the documentation probably requires 
> clarification. In the docs I get the impression that you never need to 
> recover an actor, but from the above link it appears that a Processor must 
> always receive a Recover message from something. Further, it seems that the 
> only way to avoid recovering a given actor is to ignore all messages until 
> receoveryFinished is true.
>  
>
> You could also send a Recover message with either toSequenceNr=0L or 
> replayMax=0L. This will enable the processor to process new messages 
> without replaying any messages.
>
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> Martin Krasser
>
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>  

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