cannot run roscore due to error in rosversion

asked 2012-10-02 10:01:39 -0600

bhaskara
1479 ●15 ●24 ●32

updated 2012-12-09 02:11:37 -0600

Kevin

2952 ●50 ●76 ●113 http://walchko.github.io/

When running roscore with a new groovy install, i get this error:

... logging to /u/bhaskara/.ros/log/2674d9d4-0ccb-11e2-9426-f46d0429e87d/roslaunch-spf-11815.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
WARNING: disk usage in log directory [/u/bhaskara/.ros/log] is over 1GB.
It's recommended that you use the 'rosclean' command.
WARNING: disk usage in log directory [/u/bhaskara/.ros/log] is over 1GB.
It's recommended that you use the 'rosclean' command.
2;roscore
Cannot locate [ros]Invalid <param> tag: Cannot load command parameter [rosversion]: command [rosversion ros] returned with code [1]. 

Param xml is <param command="rosversion ros" name="rosversion"/>
Invalid <param> tag: Cannot load command parameter [rosversion]: command [rosversion ros] returned with code [1]. 

Param xml is <param command="rosversion ros" name="rosversion"/>

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answered 2012-10-10 07:39:43 -0600

hersh
1351 ●16 ●21 ●28

This is caused by having a previously-installed "pip" version of rospkg which is out of date.

Fix this by:

sudo pip uninstall rospkg

repeat this until it says "not found"

then to be sure you have the latest:

sudo apt-get update sudo apt-get install python-rospkg

The "pip uninstall" version is supposed to work, but personally I did:

sudo rm -rf /usr/local/lib/python2.7/dist-packages/catkin* sudo rm -rf /usr/local/lib/python2.7/dist-packages/ros* sudo rm -rf /usr/local/bin/ros* sudo rm -rf /usr/local/bin/catkin*

to remove the old pip-installed versions. This should be safe for both Fuerte and Groovy users, because these tools are all now installed to /usr/ instead of /usr/local and are available as debian packages.