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2021-01-03 03:22:20 -0500 | asked a question | rviz: won't start, symbol lookup error rviz doesn't start Hi I'm using Ubuntu 18.04 and ros melodic. I'm a rookie in Linux and have been trapped for a long tim |
2020-12-05 05:42:32 -0500 | commented answer | "Undefined reference to »tf2_ros::TransformListener::TransformListener(tf2::BufferCore&, ros::NodeHandle const&, bool)« Hi Islabon, I have the same problem with you. But it fails again when I reinstall the tf2_ros package. Do you have any s |
2020-12-04 12:24:17 -0500 | asked a question | Ubuntu 18.04 Invoking "make -j12 -l12" failed when catkin_make Ubuntu 18.04 Invoking "make -j12 -l12" failed when catkin_make I have catkin_ws in /home/yukun. The error occurs when I |