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确保RMW_IMPLEMENTATION环境变量指向的RMW实现已经安装。例如,如果RMW_IMPLEMENTATION被设置为rmw_cyclonedds_cpp,你需要确保rmw_cyclonedds_cpp已经安装在你的系统上。 如果没有安装,安装缺失的rmw实现: 如果发现缺失了所需的rmw实现,你需要安装它。安装方法取决于你的ROS 2发行版和Linux发行版。以下是一个在Ubuntu上...
Also, I tested RMW_IMPLEMENTATION=rmw_fastrtps_cpp and with fastrtps I don't have this error. The problem seems to be only with Cyclone DDS. $ export RMW_IMPLEMENTATION=rmw_fastrtps_cpp $ ros2 run demo_nodes_cpp talker [INFO] [1718658361.109334174] [talker]: Publishing: 'Hello World: ...