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Re: [milo-dev] deleteSubscriptions() at onSubscriptionTransferFailed()
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PW of 20171227192044.zip is "Pal8DpCf_dseVCkl".
> I will attach a part of the analysis result of HeapDump of OOME
> which occurred in about 65 hours. According to this, MonitoredItemData
> seems to occupy most of Heap.
>
> In these clients, onSubscriptionTransferFailed(), when receiving
> Bad_SubscriptionIdInvalid,
>
> 1) createSubscription()
> 2) createMonitoredItems()
>
> These clients handle the above but Bad_Timeout was thrown at createMonitoredItems().
> In this case, I think that the server succeeded 1), probably also succeeded 2).
> (Response only timed out)
>
> After that, onSubscriptionTransferFailed() continues to be received
> in a short time, similar processing runs and similarly receives Bad_Timeout.
> The SubscriptionId when receiving is different. Also, the times when these clients
> received Bad_SubscriptionIdInvalid were nearly the same.
>
> So, I guessed, as a result, I thought that OOME would occur as MonitoredItemData
> gathered a lot in the server.
>
> Anyways, I do not know the reason why the clients receive Bad_SubscriptionIdInvalid
> from the server.
>
> I am going to continue investigating problem areas.
>
> <kevinherron@xxxxxxxxx> wrote, Tue, 26 Dec 2017 08:05:29 -0800
>
> > I don't see anything that says delete should be called. For any
> > subscription-related operation you received Bad_SubscriptionIdInvalid for,
> > I can't imagine why DeleteSubscriptions service would return anything but
> > the same error.
> >
> > On Sun, Dec 24, 2017 at 10:18 PM, Shigeru Ishida <ishida_shigeru@xxxxxxxxxxx
> > > wrote:
> >
> > > Hi Kevin,
> > >
> > > I have a question about the processing of onSubscriptionTransferFailed().
> > >
> > > According to Part 4 - 6.5 Re-establishing connections, should
> > > BadSubscriptionIdInvalid
> > > be received, should the client call deleteSubscriptions(the previous
> > > SubscriptionId)
> > > before createSubscription() ?
> > >
> > > Regards,
> > >
> > > --Shigeru
> > > _______________________________________________
> > > milo-dev mailing list
> > > milo-dev@xxxxxxxxxxx
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> > > https://dev.eclipse.org/mailman/listinfo/milo-dev
