Do not see the robot in Gazebo Simulator: Unit 2: spawn.launch

[peerajak]

Do not see the robot in Gazebo Simulator: Unit 2: spawn.launch

waiting a service forever

Please help

roslaunch robot_description spawn.launch

process[master]: started with pid [1173]
ROS_MASTER_URI=http://1_xterm:11311

setting /run_id to 67fc2b00-dac8-11ee-915f-0242ac120006
process[rosout-1]: started with pid [1192]
started core service [/rosout]
process[mybot_spawn-2]: started with pid [1195]
[INFO] [1709626478.499529]: Loading model XML from ros parameter robot_description
[INFO] [1709626478.503649]: Waiting for service /gazebo/spawn_urdf_model

I use 2nd terminal to find out what happened during the execution of the above roslaunch, here is what I found:

user:~$ env | grep GAZEBOGAZEBO_MASTER_URI=http://1_xterm:11345
GAZEBO_PLUGIN_PATH=/usr/lib/x86_64-linux-gnu/gazebo-11/plugins:/usr/lib/x86_64-linux-gnu/gazebo-11/plugins:
GAZEBO_MODEL_DATABASE_URI=http://models.gazebosim.org
GAZEBO_RESOURCE_PATH=/usr/share/gazebo-11:/usr/share/gazebo-11:/usr/share/gazebo
GAZEBO_MASTER_PORT=11345
GAZEBO_MASTER_HOSTNAME=1_xterm
GAZEBO_MODEL_PATH=/usr/share/gazebo-11/models:/usr/share/gazebo-11/models:/usr/share/gazebo-9/models:/usr/share/gazebo/models_robox
GAZEBO_VERBOSE=0
user:~$ ps faux | grep gzclient
user      1649  0.0  0.0   3312   736 pts/1    S+   04:15   0:00  |   \_ grep --color=auto gzclient
user:~$ ps faux | grep gzserver
user      1696  0.0  0.0   3312   732 pts/1    S+   04:15   0:00  |   \_ grep --color=auto gzserver
user:~$

[girishkumar.kannan]

Hi @peerajak ,

Are you forgetting to launch Gazebo?

If you have not launched Gazebo, then you cannot spawn any model.

Check the spawn.launch file to see if you have Gazebo node.

Regards,
Girish

[peerajak]

Thank you very much. It works! I can see my robot moving in Gazebo.