[ros-users] rosjava xmlRpcPort issue

[Damon Kohler]

On Wed, Jun 8, 2011 at 3:56 PM, Abhishek Verma
<toabhishekverma at gmail.com> wrote:
> Hi Damon,
> There are no errors.

Ok.

> Talker is publishing message but Listener is not getting it.

Can you see the messages using rostopic echo? What about if you use
roscore instead of the RosCore class in rosjava?

> They are not in same channel I mean Listener and Talker cant reach each
> other.
> I suppose by giving same master uri, both should be able to communicate.

Correct.

> is xmlRpcPort is used in this communication?

Which argument is it exactly you're asking about? I don't see it
specified in your code snippet.

In general, a port argument of 0 means that the OS should pick an
available port to bind to.

> Thanks and Regards
> Abhishek Verma
>
>
> On Wed, Jun 8, 2011 at 2:06 PM, Damon Kohler <damonkohler at google.com> wrote:
>>
>> Hi,
>>
>> Could you add some additional information?
>>
>> Are you getting any errors? How about stack traces?
>>
>> Thanks,
>> Damon
>>
>> On Wed, Jun 8, 2011 at 2:59 PM, Abhishek Verma
>> <toabhishekverma at gmail.com> wrote:
>> > Hi Friends,
>> > I am new to Ros an rosjava and tying to do something on my PC.
>> > I am not sure its correct or not.
>> > I am using rosjava on my Linux (ubuntu 10.4).
>> > Currently I am trying to run rosjava alone. and trying to use Talker and
>> > Listener example available in source.
>> > I am starting Ros core and talker and listener by following commands
>> > RosCore --
>> > rosCore = new RosCore(11311);
>> > nodeRunner = NodeRunner.createDefault();
>> > nodeRunner.run(rosCore, Lists.newArrayList("RosCore",
>> > "__master:=http://localhost:11311"));
>> > Talker
>> >  nodeRunner.run(new Talker(),Lists.newArrayList("talker",
>> > "__ip:=127.0.0.1",
>> > "__master:=http://localhost:11311"));
>> > Listener
>> >  nodeRunner.run(new Listener(),Lists.newArrayList("listener",
>> > "__ip:=127.0.0.1", "__master:=http://localhost:11311"));
>> > Publisher and subscriber are not able to communicate. AndI am trying to
>> > understand why..
>> > I found that value of xmlRpcPort is 0 and not changed anywhere.
>> > Am I doing right thing by running rosjava alone?
>> > Is xmlRpcPort port need to set? whats is it for? I suppose it might be
>> > for
>> > remote communication with RcpCore (or MasterServer)
>> > in my case rosroot and ros package paths are empty...is that ok?
>> > Thanks and Regards
>> > Abhishek Verma
>> >
>> > _______________________________________________
>> > ros-users mailing list
>> > ros-users at code.ros.org
>> > https://code.ros.org/mailman/listinfo/ros-users
>> >
>> >
>>
>>
>>
>> --
>> ----------------------------------------------
>> Damon Kohler
>> Software Engineer
>>
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-- 
----------------------------------------------
Damon Kohler
Software Engineer

Google Germany GmbH
Dienerstr. 12
80331 München
----------------------------------------------
AG Hamburg, HRB 86891
Sitz der Gesellschaft: Hamburg
Geschäftsführer: John Herlihy, Graham Law, Lloyd Martin, Kent Walker
----------------------------------------------
Diese E-Mail ist vertraulich. Wenn Sie nicht der richtige Adressat
sind, leiten Sie diese bitte nicht weiter, informieren den Absender
und löschen Sie die E-Mail und alle Anhänge. Vielen Dank.

This email is confidential. If you are not the right addressee please
do not forward it, please inform the sender, and please erase this
e-mail including any attachments. Thanks.