Re: [Quickfix-developers] re quest missed messages

[rallykarro <rik...@kt...>]

Hi,

Just a recap so I understand correctly, if the trading day runs without
problems and my quickfix engine do not need to re-logon for any reason all
issues regarding sequence numbers, filing gaps etc. is taken care of
automatically?

But, I if my application crash, get network failure etc. and need to
re-login I need to manually sort out any issues with for example
"(quickfix.SessionException MsgSeqNum too low, expecting 2 but received 1)"?

If above is correct, where do I handle the logic of catching up of seqno
intraday for example manually set the seqno as you describe? I guess this
must be a very common case, is there any java example implementation to look
at to handle catch up of seq no intraday in case of neet to re-login?''

my setings are now:
ResetOnLogon=N
ResetOnLogout=N
ResetOnDisconnect=N

Thanks a lot for your time and answers.


Pierre El-khoury wrote:
> 
> QuickFIX Documentation:
> http://www.quickfixengine.org/quickfix/doc/html/index.html
> QuickFIX Support: http://www.quickfixengine.org/services.html
> 
> Hi 
>  Well, that is what exactly happens. When you have a daily session the
> Sequence number will be rest each new day on the starttime and you will be
> loge doff on the end time. On during the session time the sequence number
> will be incremented on each message, where the Quickfix engine will take
> care of the gap fill automatically.
> If you set RestOnLogon = y then what happens is that your QF engine, This
> has no side effect on the first log but, will rest the Sequence number on
> the re-logon where apparently the Data supplier is not resetting the
> sequence number and there by they are expecting a higher sequence number 
> and not "0".
> When getting this message " MsgSeqNum too low, expecting ..." then your
> partner is getting a lower sequence number than expected ( we do agree on
> that) and this happens on the re-logon, then what you could do is just set
> you sequence number as the suggest in there rest of their message.
> 
> 
> Regards 
>           Pierre
> 
> 

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