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  1. ROS Answers archive

    This is the static archive of questions from ROS Answers archive Answers.

  2. Rosdep update error:The read operation timed out - ROS Answers

    Nov 5, 2016 · I'm troubled in install ROS on Ubuntu 14.04, when I try rosdep update, this is what it shows:

  3. Cannot locate rosdep definition - ROS Answers archive

    Apr 9, 2019 · There is no ROS package called gazebo_plugin, nor is there an Ubuntu package (in your case) that is called gazebo_plugin, so rosdep cannot determine which package should be …

  4. RTI Connext DDS environment script not found (ROS2 on …

    May 28, 2021 · I am following the official tutorial to install ROS2 on Windows. At the step of Environment setup, I did "> call C:\dev\ros2 galactic\local setup.bat" and here comes the error:

  5. libexec directory does not exist - ROS Answers

    Nov 16, 2020 · And it works fine. But when I use ros2 run ea maintenance mode manager maintenance mode it doesn't work, I get no executable found.

  6. TF_OLD_DATA ignoring data from the past for frame base ... - ROS …

    By doing an echo of my /tf topic I am able to see the timestamps of the different transforms, and I realized that those timestamps are given in seconds from 1970, whereas the message I get …

  7. Unconnected nodes: Hector_Slam and Navigation - ROS Answers

    I try to get the hector slam (github.com/tu-darmstadt-ros-pkg/hector slam.git /catkin) package running with the navigation stack (github.com/ros-planning/navigation ...

  8. Is /clock being published? - ROS Answers archive

    Details given below. I am using Apollo Auto (open source autonomous car project) which uses ros platform for communication between the nodes. Basically Apollo uses docker environment to …

  9. MoveIt! unable to sample any valid states for goal tree - ROS …

    I have a robotic arm integrated with MoveIt! and Gazebo. When I launch the Gazebo simulation and MoveIt! controller, I can use a python script which, using the moveit_commander, can set …

  10. ROS 2: How to quit a node from within a callback?

    Sep 15, 2022 · I could do this in ROS 1 simply by calling rospy.signal_shutdown (). In ROS 2, I tried calling rclpy.shutdown (), but this just hangs the node. Any thoughts? Below is a …