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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Are you sending messages from concurrent threads?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Quickfixn [mailto:quickfixn-bounces@lists.quickfixn.com] <b>On Behalf Of </b>Mike Gatny<br><b>Sent:</b> January-09-19 8:47 AM<br><b>To:</b> Mailing list for QuickFIX/n <quickfixn@lists.quickfixn.com><br><b>Subject:</b> Re: {{Quickfixn}} SeqNum sync<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>This should never happen because the only place where the sender seqnum is incremented is in Session.SendRaw, which is protected by a mutex.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>So:: are you doing something unusual like calling IncrNextSenderMsgSeqNum manually? Or manually setting the MsgSeqNum field on your messages?<o:p></o:p></p><div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Also:<o:p></o:p></p></div><div><p class=MsoNormal>- Which version of quickfix/n are you using? The latest is v1.8.0.<o:p></o:p></p></div></div><div><p class=MsoNormal>- Can you post some more of that message log, i.e. after the heartbeat where 34=1364?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>--</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Mike Gatny</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial",sans-serif'>Connamara Systems</span><o:p></o:p></p></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Jan 9, 2019 at 6:29 AM Gabe Barwick <<a href="mailto:barwickhome@hotmail.com" target="_blank">barwickhome@hotmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>Hi,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>I am regularly (1 or 2 times per day) sending FIX messages with SeqNum out of sequence.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>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 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>What might be causing QuickFixN to do this?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>How can I minimise the number of times this happens?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>Lawrence<o:p></o:p></span></p></div></div><p class=MsoNormal>_______________________________________________<br>Quickfixn mailing list<br><a href="mailto:Quickfixn@lists.quickfixn.com" target="_blank">Quickfixn@lists.quickfixn.com</a><br><a href="http://lists.quickfixn.com/listinfo.cgi/quickfixn-quickfixn.com" target="_blank">http://lists.quickfixn.com/listinfo.cgi/quickfixn-quickfixn.com</a><o:p></o:p></p></blockquote></div></div></body></html>