On Fri, 2022-02-18 at 19:25 +0000, Rob Wiskow wrote:
> Ok, that led me in the right direction. Turns out cmake wasn't able
> to find the qpid-proton library. I was able to fix it by pointing
> cmake directly to where it was. Seems like maybe it should be a
> required library.
Feel free to submit a PR!
The reason that the Qpid Proton library is optional is historical: AMQP
1.0 support is a relative latecomer to the Qpid project and initially
only AMQP 0-10 was required. This situation has remained because the
Qpid project (as opposed to Qpid Proton) is very lightly maintained
currently).
Andrew
>
> -----Original Message-----
> From: Andrew Stitcher <astitc...@redhat.com>
> Sent: Friday, February 18, 2022 11:53 AM
> To: users@qpid.apache.org
> Subject: Re: AMQP 1.0 support in Qpid Messaging C++ 1.39.0
>
> I don't have time for a full reply, but it looks like you didn't
> build qpid 1.39 with the qpid-proton library.
>
> The Proton library is what handles AMQP 1.0 so qpid needs to be able
> to find it when it is built.
>
> When built with Proton, qpid will create the modules for amqp 1.0 and
> you should be able to get them to load (if you do a default install
> everything should be a place where that automatically happens)
>
> HTH
>
> Andrew
>
> On Fri, 2022-02-18 at 16:28 +0000, Rob Wiskow wrote:
> > I'm attempting to write a small program using AMQP via the Qpid
> > Messaging C++ API. I downloaded and built the 1.39.0 library, and
> > got
> > my program to compile.
> > I'm specifying the "{protocol:amqp1.0}" connection option. However
> > when I try to run the program, I get an exception:
> > terminate called after throwing an instance of
> > 'qpid::messaging::MessagingException'
> > what(): Unsupported protocol: amqp1.0 (valid values are amqp0-
> > 10)
> >
> > After a lot of searching, all I've found is one old thread, which
> > talks about setting QPID_LOAD_MODULE to "amqpc.so", which is a file
> > that doesn't seem to exist.
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.apache.org_
> > thread_t5c2dxb22ftwy57dhjyr5jwtym0q7kob&d=DwIDaQ&c=u4prgGy6AhZ9kpd8
> > CpB
> > _THof_5a8-Rz0QxAUK3K7xW8&r=rJpqg5ZNA7pmKih-mRFJVtOoVA8ieZR3-ikoPEL-
> > H90
> > &m=I2UELXlnt5cpLwMdARKqNqLzevJLor2UAAQif--
> > 6xcqoYUDAfQs_2CA6UGLKymUM&s=
> > 3x0gDbn98nln_HTLP2KYrAAl5dxTV4V8oqskuEjISck&e=
> > If I try to set that environment variable to libqpid-proton-cpp.so,
> > which I built from the Qpid Proton 0.36.0 library, it errors out
> > claiming it can't load the file:
> > terminate called after throwing an instance of 'qpid::Exception'
> > what(): /.../qpid-proton-
> > 0.36.0/build/install_dir/usr/local/lib64/libqpid-proton-
> > cpp.so.12.10.0.so: cannot open shared object file: No such file or
> > directory: /.../qpid-proton-
> > 0.36.0/build/install_dir/usr/local/lib64/libqpid-proton-
> > cpp.so.12.10.0.so (/.../qpid-cpp-
> > 1.39.0/src/qpid/sys/posix/Shlib.cpp:35)
> > If I set it to any other .so, it just goes back to complaining
> > about
> > the unsupported protocol.
> >
> > Can anyone give me some help in this?
> > Thanks,
> > Rob.
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