[ros-users] tried rostopic list and rostopic echo \diagnostics
Tully Foote
tfoote at willowgarage.com
Fri Sep 14 22:52:31 UTC 2012
Hi Alan,
The best forum for ROS debugging questions, including TurtleBot, is
answers.ros.org. Please ask questions over there. It's much more easily
searched and tagged.
Tully
PS: It looks like you have a http//: instead of a http:// in your
ROS_MASTER_URI
On Thu, Sep 13, 2012 at 12:16 PM, Alan Marconett <KM6VV at sbcglobal.net>wrote:
> Already posted to HBRobotics list.****
>
> ** **
>
> Hi,****
>
> ** **
>
> I have the club’s Turtlebot, and I’ve been trying to control it via the
> turtlebot_bringup tutorials for a few weeks. I finally got the right
> understanding of the ssh commands into the Turtlebot. I’ve verified
> ROS_HOSTNAME and ROS_MASTER (first two lines of terminal sign-on are echos
> of values) which appears to work. I can “list” and “diagnostics” on my
> workstation, but not on the Turtlebot. Also, although I can usually get
> dashboard up, it doesn’t “connect” and control anything. ****
>
> ** **
>
> Can anyone suggest anything?****
>
> ** **
>
> Sure would like a “Turtlebot workshop”! ****
>
> ** **
>
> After I get the Turtlebot working, I’ve got a lot of work planned porting
> ROS over to my 6WD Robomagallan ‘bot.****
>
> ** **
>
> Thanks in advance for any help/comments!****
>
> ** **
>
> Alan KM6VV****
>
> ** **
>
> ROS_HOSTNAME 172.16.1.33****
>
> ROS_MASTER http://172.16.1.35:11311****
>
> alan at alan-desktop:~$ ssh turtlebot at turtlebot-0170 turtlebot at turtlebot-0170's
> password:****
>
> Linux turtlebot-0170 2.6.32-38-generic #83-Ubuntu SMP Wed Jan 4 11:12:07
> UTC 2012 x86_64 GNU/Linux Ubuntu 10.04.4 LTS****
>
> ** **
>
> Welcome to Ubuntu!****
>
> * Documentation: https://help.ubuntu.com/****
>
> ** **
>
> 237 packages can be updated.****
>
> 168 updates are security updates.****
>
> ** **
>
> New release 'precise' available.****
>
> Run 'do-release-upgrade' to upgrade to it.****
>
> ** **
>
> Last login: Tue Sep 11 19:13:45 2012 from alan-desktop ROS_MASTER http//:
> 172.16.1.35:11311 ROS_IP 172.16.1.35****
>
> ROS_HOST_172.16.1.35****
>
> turtlebot at turtlebot-0170:~$ roscore****
>
> Traceback (most recent call last):****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/roslaunch/src/roslaunch/__init__.py",
> ****
>
> line 217, in main****
>
> uuid = roslaunch.rlutil.get_or_generate_uuid(options.run_id,****
>
> options.wait_for_master)****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/roslaunch/src/roslaunch/rlutil.py",
> ****
>
> line 170, in get_or_generate_uuid****
>
> param_server = roslib.scriptutil.get_param_server()****
>
> File "/opt/ros/electric/ros/core/roslib/src/roslib/scriptutil.py",****
>
> line 150, in get_param_server****
>
> return get_master()****
>
> File "/opt/ros/electric/ros/core/roslib/src/roslib/scriptutil.py",****
>
> line 141, in get_master****
>
> raise roslib.exceptions.ROSLibException("invalid master URI: %s"%uri)
> ****
>
> ROSLibException: invalid master URI: http//:172.16.1.35:11311turtlebot at turtlebot-0170:~$
> rostopic list Traceback (most recent call last):****
>
> File "/opt/ros/electric/ros/bin/rostopic", line 45, in <module>****
>
> rostopic.rostopicmain()****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 1700, in rostopicmain****
>
> _rostopic_cmd_list(argv)****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 1642, in _rostopic_cmd_list****
>
> exitval = _rostopic_list(topic, verbose=options.verbose,
> subscribers_only=options.subscribers,****
>
> publishers_only=options.publishers, group_by_host=options.hostname) or 0**
> **
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 870, in _rostopic_list****
>
> master = rosgraph.masterapi.Master('/rostopic')****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/rosgraph/src/rosgraph/masterapi.py",
> ****
>
> line 94, in __init__****
>
> self._reinit(master_uri)****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/rosgraph/src/rosgraph/masterapi.py",
> ****
>
> line 105, in _reinit****
>
> self.handle = xmlrpclib.ServerProxy(self.master_uri)****
>
> File "/usr/lib/python2.6/xmlrpclib.py", line 1463, in __init__****
>
> raise IOError, "unsupported XML-RPC protocol"****
>
> IOError: unsupported XML-RPC protocol****
>
> turtlebot at turtlebot-0170:~$ rostopic echo /diagnostics Traceback (most
> recent call last):****
>
> File "/opt/ros/electric/ros/bin/rostopic", line 45, in <module>****
>
> rostopic.rostopicmain()****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 1694, in rostopicmain****
>
> _rostopic_cmd_echo(argv)****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 1039, in _rostopic_cmd_echo****
>
> _rostopic_echo(topic, callback_echo, bag_file=options.bag)****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 689, in _rostopic_echo****
>
> _check_master()****
>
> File****
>
> "/opt/ros/electric/stacks/ros_comm/tools/rostopic/src/rostopic.py", line
> 79, in _check_master****
>
> rosgraph.masterapi.Master('/rostopic').getPid()****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/rosgraph/src/rosgraph/masterapi.py",
> ****
>
> line 94, in __init__****
>
> self._reinit(master_uri)****
>
> File****
>
>
> "/opt/ros/electric/stacks/ros_comm/tools/rosgraph/src/rosgraph/masterapi.py",
> ****
>
> line 105, in _reinit****
>
> self.handle = xmlrpclib.ServerProxy(self.master_uri)****
>
> File "/usr/lib/python2.6/xmlrpclib.py", line 1463, in __init__****
>
> raise IOError, "unsupported XML-RPC protocol"****
>
> IOError: unsupported XML-RPC protocol****
>
> turtlebot at turtlebot-0170:~$****
>
> ** **
>
> _______________________________________________
> ros-users mailing list
> ros-users at code.ros.org
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>
>
--
Tully Foote
tfoote at willowgarage.com
(650) 475-2827
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