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Invalid <param> tag: Cannot load Husky into gazebo

asked 2015-01-04 19:24:11 -0500

Rahul Sharma gravatar image

Hello, I am currently running the Husky packages on gazebo-4.0. It worked fine till yesterday, but when I run it again using roslaunch it shows following error

 rahul@rahul-pc:~/husky_ws$ roslaunch husky_gazebo husky_empty_world.launch 
... logging to /home/rahul/.ros/log/014e7106-9478-11e4-b211-a4db30d7dfe6/roslaunch-rahul-pc-4352.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.

Traceback (most recent call last):
  File "/opt/ros/indigo/share/xacro/", line 60, in <module>
AttributeError: 'module' object has no attribute 'main'
while processing /home/rahul/sample_ws/src/husky_gazebo/launch/base.urdf.gazebo.launch:
Invalid <param> tag: Cannot load command parameter [robot_description]: command [/opt/ros/indigo/share/xacro/        '/home/rahul/sample_ws/src/husky_description/urdf/base.urdf.xacro'          gps_enabled:=true         imu_enabled:=true  front_laser:=true     ] returned with code [1]. 

Param xml is <param command="$(find xacro)/        '$(find husky_description)/urdf/base.urdf.xacro'          gps_enabled:=$(arg gps_enabled)         imu_enabled:=$(arg imu_enabled)  front_laser:=$(arg front_laser)     " name="robot_description"/>
The traceback for the exception was written to the log file

I don't know how to solve this problem. A little help would be appreciated. Thank you for your useful time



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1 Answer

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answered 2015-03-09 12:03:46 -0500

I had a similar issue when trying to update and run the husky simulation in indigo. I believe that the current git repo is still in devel and hence full sync is not available yet. Try cloning the urdf directory at under the huskygazebo folder and adding it to the /opt/ros/indigo/share/husky_gazebo folder. Make sure to change file permissions to allow writing.

Hope this helps.

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Asked: 2015-01-04 19:24:11 -0500

Seen: 4,652 times

Last updated: Mar 09 '15