Update: the code style does work, the communication issue was related to the ROS_HOSTNAME... the nodes never were properly connected to the core since they were in terminals which hadn't been reinitialized. -- View this message in context: http://ros-users.122217.n3.nabble.com/ROSOCT-services-tp1481922p1483233.html Sent from the ROS-Users mailing list archive at Nabble.com.