On Wed, May 12, 2010 at 5:25 PM, Amy Ng <amyntt@gmail.com> wrote:

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 <johnhsu@willowgarage.com> 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 <amyntt@gmail.com> 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

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