{{Quickfixn}} SeqNum sync

[Mike Gatny]

This should never happen because the only place where the sender seqnum is
incremented is in Session.SendRaw, which is protected by a mutex.

So:: are you doing something unusual like calling IncrNextSenderMsgSeqNum
manually?  Or manually setting the MsgSeqNum field on your messages?

Also:
- Which version of quickfix/n are you using? The latest is v1.8.0.
- Can you post some more of that message log, i.e. after the heartbeat
where 34=1364?

--
Mike Gatny
Connamara Systems


On Wed, Jan 9, 2019 at 6:29 AM Gabe Barwick <barwickhome at hotmail.com> wrote:

> Hi,
>
> I am regularly (1 or 2 times per day) sending FIX messages with SeqNum out
> of sequence.
>
> 20190107-11:43:31.174 : 8=FIX.4.4 9=70 35=0 34=1361 49=SenderID
> 52=20190107-11:43:31.143 56=TargetID 10=192
> 20190107-11:44:01.122 : 8=FIX.4.4 9=0070 35=0 49=TargetID 56=SenderID
> 34=1415 52=20190107-11:44:01.123 10=028
> 20190107-11:44:01.186 : 8=FIX.4.4 9=70 35=0 34=1362 49=SenderID
> 52=20190107-11:44:01.153 56=TargetID 10=192
> 20190107-11:44:31.141 : 8=FIX.4.4 9=0070 35=0 49=TargetID 56=SenderID
> 34=1416 52=20190107-11:44:31.141 10=032
> 20190107-11:44:31.187 : 8=FIX.4.4 9=70 35=0 34=1363 49=SenderID
> 52=20190107-11:44:31.165 56=TargetID 10=199
> 20190107-11:45:01.160 : 8=FIX.4.4 9=0070 35=0 49=TargetID 56=SenderID
> 34=1417 52=20190107-11:45:01.160 10=032
> 20190107-11:45:01.404 : 8=FIX.4.4 9=209 35=D 34=1365 49=SenderID
> 52=20190107-11:45:01.393 56=TargetID <Hidden> 10=102
> 20190107-11:45:01.408 : 8=FIX.4.4 9=70 35=0 34=1364 49=SenderID
> 52=20190107-11:45:01.198 56=TargetID 10=204
>
> What might be causing QuickFixN to do this?
>
> How can I minimise the number of times this happens?
>
> Lawrence
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