Hi John, can I re install gazebo_plugins individually or do i have to re compile the whole thing? and i launch the world via the below command roslaunch gazebo_worlds empty_world.launch Thanks Amy On Thu, May 13, 2010 at 9:51 AM, John Hsu wrote: > Hi Amy, > libgazebo_ros_time.so is in gazebo_plugins. So most likely gazebo_plugins > did not compile correctly. Also, can you point me to the exact commands you > used to bring up the world? > thanks, > John > > On Wed, May 12, 2010 at 3:31 PM, Amy Ng wrote: > >> Hi everybody >> >> I am new here. >> >> I have just installed gazebo-tools and pr2-gazebo as per instructions on >> web site and when i tried to run empty world I got this error: >> >> ODE Message 2: inertia must be positive definite in dMassCheck() File >> mass.cpp Line 53 >> Error Loading Gazebo >> /home/tingting/ros/stacks/simulator_gazebo/gazebo/gazebo-svn/server/Simulator.cc:240 >> : Exception: Failed to load the World >> /home/tingting/ros/stacks/simulator_gazebo/gazebo/gazebo-svn/server/controllers/ControllerFactory.cc:116 >> : Exception: Failed to load libgazebo_ros_time.so: file not found >> >> >> I have no idea where can i find libgazebo_ros_time.so and where should i >> put it >> >> any help will be great. >> >> thanks >> >> Amy >> >> >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users >> >> > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >