On 06.05.14 20:52, Vaughn Vernon wrote:
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.
I agree. Do you want to make a pull request with the changes you'd like
to see in the docs?
Thanks,
Martin
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
<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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