error while run roscore on armel ubuntu 12.04

asked 2014-12-09 00:24:22 -0600

Alice63
61 ●15 ●19 ●22

Hello, I have installed ros groovy from source on armel ubuntu 12.04.At first,roscore can run successfully.But now,when I run roscore I got the following message:

WARNING: unable to configure logging. No log files will be generated                                                                      
Checking log directory for disk usage. This may take awhile.                                                                              
Press Ctrl-C to interrupt                                                                                                                 
Done checking log file disk usage. Usage is <1GB.                                                                                         
2;roscore                                                                                                                                 
Invalid <param> tag: Cannot load command parameter [rosversion]: command [rosversion roslaunch] returned with code [1].                   

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

So I deleted the log through:$ rosclean purge Than refer to the website http://answers.ros.org/question/44996... remove the old rospkg:

 $ sudo pip uninstall rospkg

than install the latest version.$sudo pip install -U rospkg When I run roscore there is always the same message. please help me. Thank you very much.

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Now,the roscore can run normally.It is really due to setup.bash. I add many ROS_PACKAGE_PATH to the setup.bash.when I deleted them the roscore can run successfully.Can not add too many ROS_PACKAGE_PATH to the setup.bash?

Alice63 ( 2014-12-10 07:10:12 -0600 )edit

If i add many ROS_PACKAGE_PATH,it will show: `$rosversion roslaunch

cannot locate [roslaunch]`

Alice63 ( 2014-12-10 07:14:02 -0600 )edit

I've never seen an instance where a user's ROS_PACKAGE_PATH was too large. What's more likely is that you're overwriting your original ROS_PACKAGE_PATH instead of appending to it, and losing the part of the path which points to the core packages.

ahendrix ( 2014-12-10 12:20:59 -0600 )edit

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error while run roscore on armel ubuntu 12.04

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