Re: [Quickfixj-users] Sequence number too low vs Sequence number expecting?

[Colin D. <co...@ma...>]

I would like to help, but, I, too, didn't really understand the question.

I think, Robert, you're looking for the pattern of messages you'd expect 
if you change the sequence without logging off. I can't help you there 
because we found this just didn't work well. However, if you stop the 
session, change the sequence in the store, and log on again, it works well.

In fact, we used this technique to help us address messages that we 
might have dropped during a failover event. Under appropriate 
circumstances, you can set the sequence number to be a few less than 
what the counter is looking for and you'll get some messages replayed.

On 3/3/21 5:14 AM, Christoph John via Quickfixj-users wrote:
> QuickFIX/J Documentation: http://www.quickfixj.org/documentation/
> QuickFIX/J Support: http://www.quickfixj.org/support/
>
>
> Hi,
>
> sorry, I don't fully understand the question (non-native speaker here).
> Which messages are used in tag 58? Can you paste some example FIX 
> messages and what you did to trigger these?
>
> Are you saying that although you are choosing too low a sequence 
> number on Logon that sometimes the Logon works and sometimes it is 
> rejected because the seqnum is too low? If yes then that would be 
> strange to me.
>
> Cheers,
> Chris.
>
> On 02.03.21 18:11, Robert Nicholson wrote:
>> QuickFIX/J Documentation: http://www.quickfixj.org/documentation/
>> QuickFIX/J Support: http://www.quickfixj.org/support/
>>
>>
>> Does anybody have any experience to know when if you lower the sender 
>> sequence number for say a logon vs heartbeat etc when each of the 
>> above kinds of messages are used in tag 58 on logout from the other 
>> side?
>>
>> I think I see cases where if I lower the next heartbeat it won’t use 
>> the “too low” message but if I perform a logon too low it will.
>>
>> Are there any rules or conventions that say when each of these is used?
>>
>> The reason I ask this question is because as an initiator I have 
>> logic in fromAdmin to simply take the advice of the other side and 
>> immediately move to where they want me rather than waiting until I 
>> eventually get there after N logon attempts.
>>
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>
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Colin DuPlantis
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