Re: [Quickfixj-users] Multiple logons/connections for this session are not allowed

[Christoph J. <chr...@ma...>]

Addition: if VPN rekeying is the problem you will probably see this message every hour (or whatever 
the rekey interval is)

Chris.

On 30.04.20 12:00, Christoph John wrote:
> Hi,
>
> did you change QFJ version or why do you think it is QFJ related? Do you only have one FIX 
> session? If not, do all sessions show this behaviour?
> (apart from that, the TCP/IP stuff is done via the MINA framework and not within QFJ itself)
>
> This message appears when the initiator side of the connection considers the connection broken and 
> tries to reconnect. But the acceptor still considers it a vital connection (probably until the 
> connection timeout kicks in).
>
> From my experience this happens mostly on VPN connections via internet. Reasons for this were one of:
>  - different MTU sizes on both sides of the connection or on a router/firewall in between
>  - asymmetric routing
>  - differing VPN parameters leading to different rekeying behaviour on both ends of the connection.
>
> Hope that helps,
> Chris.
>
>
> On 30.04.20 05:51, Vipin Chaudhary wrote:
>> QuickFIX/J Documentation:http://www.quickfixj.org/documentation/
>> QuickFIX/J Support:http://www.quickfixj.org/support/
>>
>>
>>
>> Hi Team,
>>
>> We are facing strange issue with quickfixj.
>>
>> We are SessionAcceptor, sometime when initiator disconnect, then quickfixj is not able to 
>> recognize the disconnection. So when client logon next time it say
>> " Multiple logons/connections for this session are not allowed".
>>   Although in reality client is disconnected.
>> Earlier it was very rare and happening once in a while but nowadays its happening like once in week.
>> Quickfixj is not able to recover from this and we need to restart our application
>>
>> *Do anyone have seen/fix this ?*
>>
>> Thanks
>> Vipin Chaudhary
>>
>>
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>
> -- 
> Christoph John
> Software Engineering
> T +49 241 557080-28
> chr...@ma...
>
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-- 
Christoph John
Software Engineering
T +49 241 557080-28
chr...@ma...

MACD GmbH
Oppenhoffallee 103
52066 Aachen, Germany
www.macd.com

Amtsgericht Aachen: HRB 8151
Ust.-Id: DE 813021663
Geschäftsführer: George Macdonald