[Ros-release] roscpp subscriber callback not triggered when sending from Android
Marcus Liebhardt
marcus.liebhardt at rnd.yujinrobot.com
Thu Dec 13 13:32:32 UTC 2012
On Thu, Dec 13, 2012 at 7:09 PM, Damon Kohler <damonkohler at google.com>wrote:
> This may be a good question for http://answers.ros.org
Hmm, might be true. I was not sure, if it fits. Since it was working for
Fuerte, it might be a hidden Groovy bug.
I'll repost it there, if you like.
>
>
> The first thing I would check is whether or not the message is
> actually making it over the network (e.g. wireshark). You could also
> try a simple rosjava subscriber. I can say, that this use case is used
> actively so it's likely a configuration problem.
>
The message does come through, since the rospy subscribers I have tested in
parallel are receiving the message. Only the roscpp callbacks are not
triggered.
Marcus
> On Thu, Dec 13, 2012 at 10:15 AM, Marcus Liebhardt
> <marcus.liebhardt at rnd.yujinrobot.com> wrote:
> > Another problem I ran into today:
> > When sending messages from an Android app (e.g. Turtlebot teleop sending
> > geometry_msgs/Twist), the callback of my roscpp subscriber didn't get
> > triggered.
> > I tested this with simple subscriber implementations in roscpp and rospy
> in
> > parallel (plus rostopic echo, which is also implemented with rospy
> AFAIK).
> > This only happened when sending from Android, so might be a bug there (or
> > just because we currently can't recompile those apps). When sending from
> > another 2.Beta Groovy 64Bit Ubuntu machine, callbacks in both
> > implementations worked fine.
> >
> > If anybody knows further tests, with which I could narrow down the root
> > cause, please let me know!
> >
> > Thanks,
> > Marcus
> >
> > --
> > Marcus Liebhardt
> > Control Engineer
> > Yujin Robot
> > 주소: 대한민국 서울시 금천구 가산동 345-30 남성프라자 #601, 153-023.
> > Address: Door #601, Namsung-Plaza, 345-30 Gasan-dong, Guemcheon-gu,
> Seoul,
> > 153-023, Republic of Korea
> > Website: http://www.yujinrobot.com
> > Email: marcus.liebhardt at yujinrobot.com
> > Phone: +82-70-46577073
> >
> > _______________________________________________
> > Ros-release mailing list
> > Ros-release at code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-release
> >
>
>
>
> --
> :wq
>
> Google Germany GmbH
> Dienerstr. 12
> 80331 München
>
> AG Hamburg, HRB 86891
> Sitz der Gesellschaft: Hamburg
> Geschäftsführer: Graham Law, Katherine Stephens
>
> Tax ID:- 48/725/00206
> VAT ID:- DE813741370
>
--
Marcus Liebhardt
Control Engineer
Yujin Robot
주소: 대한민국 서울시 금천구 가산동 345-30 남성프라자 #601, 153-023.
Address: Door #601, Namsung-Plaza, 345-30 Gasan-dong, Guemcheon-gu, Seoul,
153-023, Republic of Korea
Website: http://www.yujinrobot.com
Email: marcus.liebhardt at yujinrobot.com
Phone: +82-70-46577073
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ros.org/pipermail/ros-release/attachments/20121213/7e8bc6c3/attachment-0009.html>
More information about the Ros-release
mailing list