Example 2.6 problem in roslaunch

Course Support ROS Basics In 5 Days (Python)
1

RLException: Invalid roslaunch XML syntax: no element found: line 1, column 0
The traceback for the exception was written to the log file

while compiling
roslaunch my_package my_package_launch_file.launch

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Hi @oihanealcuaz
can you hare your launch file?

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I type
cat my_package_launch_file.launch
and nothing shows

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Ohh then you have to fill it in! That’s why it says that the file lacks the correct syntax. Because it’s empty!

1 Like
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how can i fill it? its my first day in ROS

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Hi @oihanealcuaz ,

Welcome to this Community!

Since you are on ROS Basics course, the contents of the launch file should be mentioned in the course notes itself. Please refer back to the course cotes to find a sample of launch file.
Re-create the same contents of the launch file for your current package.

Regards,
Girish