ROS Answers archive
This is the static archive of questions from ROS Answers archive Answers.
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:
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 installed to …
RTI Connext DDS environment script not found (ROS2 on Windows)
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:
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.
rviz error. segmentation fault (core dumped) - ROS Answers
Feb 12, 2019 · IBUS-WARNING **: Unable to connect to ibus: could not connect: connection refused. Segmentation fault (core dumped)
MoveIt! unable to sample any valid states for goal tree - ROS Answers
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 the joint …
ROS2 How to uninstall/remove a package - ROS Answers
Oct 25, 2020 · In ROS1 I would source ROS again, rebuild my packages and it would be done ! But here in ROS2 Dashing even when sourcing ROS2 again I still have this package in those env variables : …
RVIZ Error: Global Status Warn and No Tf data - ROS Answers
Jul 12, 2019 · Note: I have tried the same on Melodic with Ubuntu 18.04, kinetic with Ubuntu 16.04 also on Ros Development Studios (RDS) and on Robot Ignite Academy but everywhere I get the same result.
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 modification of the publisher …