[zeromq-dev] Question on connecting a C++ model to a Java model via Python uzing ZeroMQ
stephen.riesenberg at gmail.com
Thu Apr 28 03:35:56 CEST 2016
While I've done quite a bit of working with jzmq on my local machine, I've
rarely run the local_lat program that's used as an example on the
documentation page for the java binding. So, I may be off a bit, but I
think you would need to build the C++ project in the
jzmq/builds/msvc/local_lat to have that class available. Possibly at one
time it was included in the jar, but that may have changed and it looks
like it isn't any longer.
Perhaps try running the following (assuming you have maven installed) in
the local directory where you downloaded and built jzmq:
Another option is the JeroMQ test suite, which includes several of the
guide examples, which also requires you to download and set up the project
locally (using maven). Or skip it and drop these classes into your own
Or try running a minimal example of your own within your own project.
Hope that helps.
On Wed, Apr 27, 2016 at 7:55 PM, Sara Rimer <sara.p.rimer at gmail.com> wrote:
> Hi everyone,
> I am finally getting back to this part of my project. So I think the issue
> is that I just can't get ZeroMQ to work with Java on my machine. I have
> tried JeroMQ as well. I have been following this guide:
> http://zeromq.org/bindings:java and when I try
> $ java -cp /usr/local/share/java/zmq.jar:. local_lat tcp://127.0.0.1:5000 1 100
> I get this error
> Error: Could not find or load main class local_lat
> I think I have just not found a good guide for how to set up ZeroMQ for
> Java on Linux 12.04. Any suggestions?
> Thank you.
> On Mon, Mar 28, 2016 at 8:30 PM, Stephen Riesenberg <
> stephen.riesenberg at gmail.com> wrote:
>> How far have you gotten in your effort? Do you have an example class?
>> What issues did you run into? What requirements do you have for your
>> API? Is it files, or just data you are sending back and forth between these
>> two environments?
>> Sorry for so many questions, but I bet with a few details we can get you
>> pointed in the right direction. Sounds like an interesting project!
>> On Friday, March 25, 2016, Sara Rimer <sara.p.rimer at gmail.com> wrote:
>>> This is most likely a very basic usage of ZeroMQ, but I am a
>>> computational engineer and I am trying to connect a hydraulic model written
>>> in C++ to a decision tree model written in Java. I would like to send data
>>> files back and forth between the two programs. I am using ZeroMQ for this.
>>> And I have gotten ZeroMQ to work via Python no problem (which I am planning
>>> on using for my C++ model which I run via a bash script). However, I am
>>> having difficulty interfacing it with Java. I was planning on just creating
>>> a class in Java that is solely used to interface with ZeroMQ. Does anyone
>>> have any suggestions?
>> zeromq-dev mailing list
>> zeromq-dev at lists.zeromq.org
> Sara Rimer
> University of Michigan Graduate Student
> Department of Civil and Environmental Engineering
> srimer at umich.edu
> sara.p.rimer at gmail.com
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
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