users@glassfish.java.net

Re: EJB timer service can not automatically migration

From: Marina Vatkina <Marina.Vatkina_at_Sun.COM>
Date: Fri, 20 Feb 2009 17:10:41 -0800

Jason,

Did you enable timer migration? If yes, you might also need to enable delegated
transaction recovery in order to automatically migrate timers.

thanks,
-marina

shockwave_115_at_hotmail.com wrote:
> Hi
>
> When I look into the source code, I found the timer migration is invoked by
> AdminEventMulticaster.multicastEvent(AdminEvent event), so does it means
> the
> node failure event is monitored by DAS instead of other instance? If so how
> can I achieve the HA if DAS crashed?
>
> And the automatically migration problem is still there, I don't know how to
> do further investigation, I stop one instance on node one, I can see
> nothing
> showed in the logs of instance two on the node two.
>
> For my understanding, at least instance two should have the heartbeat with
> instance one, so when instance one crashed, instance two can know it. If
> so,
> why use multicast?
>
> BRs
> Jason
>
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