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://lists.apache.org/thread/t5c2dxb22ftwy57dhjyr5jwtym0q7kob
> 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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