[ros-users] Publish/Subscriber loosing first message

Ugo Cupcic ugo at shadowrobot.com
Wed May 11 10:19:47 UTC 2011


You can have a look at this:

<https://code.ros.org/trac/ros/ticket/3450#comment:2>Could you ask the
question again on ros-answer? This way we can put this answer here.



On Wed, May 11, 2011 at 11:14 AM, Sebastian Schneider
<s.schneider at unibw.de>wrote:

> Hello,
> I'm currently trying out the Tutorials from the ROS Wiki and I have a
> question to the part "Examining the Simple Publisher and Subscriber"
> (http://www.ros.org/wiki/ROS/Tutorials/ExaminingPublisherSubscriber). So
> far, my programs are working as expected, but I wonder why the first
> message from the publisher "Hello there! This is message [0]" does not
> reach the subscriber. The first message the subscriber receives is
> "Hello there! This is message [1]".
> This also happens, if I start the subscriber before I start the publisher.
> Any ideas?
> Sebastian Schneider
> _______________________________________________
> ros-users mailing list
> ros-users at code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users

Ugo Cupcic | Shadow Robot Company | ugo at shadowrobot.com
Software Engineer | 251 Liverpool Road |
need a Hand? | London N1 1LX | +44 20 7700 2487
http://www.shadowrobot.com/hand/ @shadowrobot
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