Ah, sorry, I misunderstood. Perhaps the handshake is failing? Could you provide a wireshark dump of the Android app publishing to a roscpp subscriber? Be sure to include the negotiation phase. On Thu, Dec 13, 2012 at 2:32 PM, Marcus Liebhardt wrote: > On Thu, Dec 13, 2012 at 7:09 PM, Damon Kohler > 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 >> 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@yujinrobot.com >> > Phone: +82-70-46577073 >> > >> > _______________________________________________ >> > Ros-release mailing list >> > Ros-release@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@yujinrobot.com > Phone: +82-70-46577073 -- :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