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From "Jan Bares, WOOD & Co." <jan.ba...@wood.cz>
Subject RE: qpid-conf and AMQP version
Date Thu, 18 Jan 2018 10:23:24 GMT

> -----Original Message-----
> From: Gordon Sim [mailto:gsim@redhat.com]
> Sent: Thursday, January 18, 2018 11:10 AM
> To: users@qpid.apache.org
> Subject: Re: qpid-conf and AMQP version
> On 18/01/18 09:38, Jan Bares, WOOD & Co. wrote:
> > I installed C++ broker 1.37 and configured:
> >
> > protocols=amqp1.0
> >
> > but qpid-config complains:
> >
> > # qpid-config exchanges
> > Failed: VersionError: client: 0-10, server: 0-0
> >
> > I also tried with
> >
> > protocols=amqp1.0,amqp0-10
> >
> > but same result, there is no fallback?
> >
> > It works only when protocols are not specified. Would someone shed some
> light on this?
> The qpid-config tool unfortunately only speaks AMQP 0-10 at present. If you
> set AMQP 1.0 to be the only protocol, it can't connect.
> To specify multiple protocols, use separate protocol options. E.g. on
> command line do:
>    --protocol amqp1.0 --protocols amqp0-10
> and in a config file do:
> protocols=amqp1.0
> protocols=amqp0-10
> (Not the most intuitive configuration, I accept.)
> Note that these are the only two supported options, so enabling them both
> is what you get by default anyway.
> The c++ client has its own option, default-protocols, and there the ordering
> matters (and it is a comma separated list), as it dictates the order in which the
> protocols are tried. The server waits for the client to indicate the protocol it is
> using then responds.

Thank you for your time and explanation Gordon.

Kind regards, Jan

Jan Bares
Calypso / Java Lead Developer

Hradecka 10
Czech Republic
Mobile: +420 776 333 676

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