As per Supun, this is because BinaryRelay consumes the message stream, so there is no way to automatically failover when binary relay is used.
On Sun, Jun 26, 2011 at 2:06 AM, Afkham Azeez <[email protected]> wrote: > The root cause of this issue is as follows. > > As soon as a new worker node joins, and its HTTP/S ports become available, > the LB tries to send messages to that node. However, that node need a few > more seconds to "warm up", hence a few initial requests fail. The failover > mechanism kicks in and tries to resends the message to another instance. > However, an error occurs when it tries to retrieve the original request > envelope, and ends up sending an empty message to the worker node, which > shows up as a malformed XML error when the StAX parser tries to parse the > message. > > One measure I have implemented is allowing some warm up time for newly > added worker nodes which solved this problem for the moment. However, the > failover logic is still broken and needs to be fixed. > > > On Sun, Jun 12, 2011 at 9:21 PM, Sanjiva Weerawarana <[email protected]>wrote: > >> Not very likely dude :) .. its been in HEAVY use in eBay for a long time >> now. There has to be some other combination of events that triggers this. >> >> Sanjiva. >> >> On Sun, Jun 12, 2011 at 4:25 PM, Sameera Jayasoma <[email protected]>wrote: >> >>> Binary relay impl might be failing to handle messages in high >>> concurrency. >>> >>> Thanks, >>> Sameera >>> >>> >>> On Fri, Jun 10, 2011 at 3:34 PM, Afkham Azeez <[email protected]> wrote: >>> >>>> Folks, >>>> Please note $subject. This happens rarely. We are using binary relay in >>>> the LB. >>>> >>>> -- >>>> *Afkham Azeez* >>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>> Member; Apache Software Foundation; http://www.apache.org/ >>>> * <http://www.apache.org/>** >>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>> twitter: >>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>> * >>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>> * >>>> * >>>> *Lean . Enterprise . Middleware* >>>> >>>> >>> >>> >>> -- >>> Sameera Jayasoma >>> Technical Lead and Product Manager, WSO2 Carbon >>> >>> WSO2, Inc. (http://wso2.com) >>> email: [email protected] >>> blog: http://tech.jayasoma.org >>> >>> Lean . Enterprise . Middleware >>> >>> _______________________________________________ >>> Carbon-dev mailing list >>> [email protected] >>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev >>> >>> >> >> >> -- >> Sanjiva Weerawarana, Ph.D. >> Founder, Chairman & CEO; WSO2, Inc.; http://wso2.com/ >> email: [email protected]; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1 >> 650 265 8311 >> blog: http://sanjiva.weerawarana.org/ >> >> Lean . Enterprise . Middleware >> > > > > -- > *Afkham Azeez* > Director of Architecture; WSO2, Inc.; http://wso2.com > Member; Apache Software Foundation; http://www.apache.org/ > * <http://www.apache.org/>** > email: **[email protected]* <[email protected]>* cell: +94 77 3320919 > blog: **http://blog.afkham.org* <http://blog.afkham.org>* > twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> > * > linked-in: **http://lk.linkedin.com/in/afkhamazeez* > * > * > *Lean . Enterprise . Middleware* > > -- *Afkham Azeez* Director of Architecture; WSO2, Inc.; http://wso2.com Member; Apache Software Foundation; http://www.apache.org/ * <http://www.apache.org/>** email: **[email protected]* <[email protected]>* cell: +94 77 3320919 blog: **http://blog.afkham.org* <http://blog.afkham.org>* twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> * linked-in: **http://lk.linkedin.com/in/afkhamazeez* * * *Lean . Enterprise . Middleware*
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