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Invalid roslaunch XML syntax: no root <launch> tag

asked 2017-03-20 23:53:35 -0600

st20000942 gravatar image

updated 2017-03-21 00:00:32 -0600

I am quite new to ROS. I would like to what I should do? I have a capstonerobot.urdf file and a capstonerobot.launch file

**My Error

... logging to /home/ishira/.ros/log/ed78a238-0df0-11e7-ba77-645a04940732/roslaunch-ishira-Inspiron-3521-7754.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.
Invalid roslaunch XML syntax: no root <launch> tag
The traceback for the exception was written to the log file**

**My launch file

<launch>
    <!-- Load the capstonerobot URDF model into the parameter server -->
    <param name="robot_description" textfile="$(find capstonerobot)/capstonerobot.urdf" />
    <!-- Start Gazebo with an empty world -->
    <include file="$(find gazebo_ros)/launch/empty_world.launch"/>
    <!-- Spawn a capstonerobot in Gazebo, taking the description from the
    parameter server -->
    <node name="spawn_urdf" pkg="gazebo_ros" type="spawn_model"
        args="-param robot_description -urdf -model capstonerobot" />
</launch>

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Comments

Please use the preformatted text button to format your error message and your launch file. As it is now it's quite difficult to read.

ahendrix gravatar imageahendrix ( 2017-03-20 23:57:00 -0600 )edit

while it's works for me, maybe you should check empty_world.launch or you should just get a new launch file and retype it.

DinnerHowe gravatar imageDinnerHowe ( 2017-03-21 00:18:17 -0600 )edit

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answered 2017-11-17 01:37:08 -0600

updated 2017-11-17 01:43:47 -0600

gvdhoorn gravatar image

you need to roslaunch <package name> <name1.launch> rather than roslaunch <package name> <name2.urdf>

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Asked: 2017-03-20 23:53:35 -0600

Seen: 883 times

Last updated: Nov 17 '17