ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question
1

ROS unable to function after fuerte update (due to python) [closed]

asked 2013-01-23 23:09:18 -0500

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

Since finding myself victim of the infamous multi-master roslaunch problem I updated my fuerte installation.

Now nothing works anymore.

erupter@FCD-04-Ubuntu:~/Apps/ROS$ roscore
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/ros_comm-1.8.12-py2.7.egg/roslaunch/__init__.py", line 222, in main
    uuid = rlutil.get_or_generate_uuid(options.run_id, options.wait_for_master)
  File "/usr/local/lib/python2.7/dist-packages/ros_comm-1.8.12-py2.7.egg/roslaunch/rlutil.py", line 170, in get_or_generate_uuid
    param_server = rosgraph.Master('/roslaunch')
  File "/usr/local/lib/python2.7/dist-packages/ros_comm-1.8.12-py2.7.egg/rosgraph/masterapi.py", line 97, in __init__
    self._reinit(master_uri)
  File "/usr/local/lib/python2.7/dist-packages/ros_comm-1.8.12-py2.7.egg/rosgraph/masterapi.py", line 118, in _reinit
    self.handle = xmlrpclib.ServerProxy(self.master_uri)
  File "/usr/lib/python2.7/xmlrpclib.py", line 1549, in __init__
    raise IOError, "unsupported XML-RPC protocol"
IOError: unsupported XML-RPC protocol

Tried compiling ros_comm from source, it's now 1.8.15 yet it still provokes the same error. Which at this point I suppose has something to do with python rather than ros...

edit retag flag offensive reopen merge delete

Closed for the following reason the question is answered, right answer was accepted by Claudio
close date 2013-01-23 23:46:28

1 Answer

Sort by ยป oldest newest most voted
3

answered 2013-01-23 23:45:51 -0500

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

Found the culprit: these errors spawn if, for some reason, the ROS_MASTER_URI is malformed. In my case it was something like

htpp://hostname:11311/

notice the htpp. Correcting this everything gets back to working.

edit flag offensive delete link more

Question Tools

Stats

Asked: 2013-01-23 23:09:18 -0500

Seen: 576 times

Last updated: Jan 23 '13