rqt_remocon not working

asked 2016-06-08 13:06:44 -0500

Vpachalla
1 ●1 ●1 ●1

updated 2016-06-11 14:49:09 -0500

130s

10937 ●203 ●339 ●330 http://www.linkedin.co...

Error with InteractiveClientInterface given when trying to run rqt_remocon

:~/catkin_ws$ rqt_remocon
[debug] Interactive Client : initialised
[debug] Interactive Client : Connection Details
[debug] Interactive Client :   Node Name: rqt_remocon_5ac1cc7dba474fffbc40694462640841
[debug] Interactive Client :   ROS_MASTER_URI: http://192.168.1.103:11311
[debug] Interactive Client :   ROS_HOSTNAME: 192.168.1.101
[debug] Interactive Client :   ROS_MASTER_PORT: 11311
[debug] Interactive Client : Get interactions service Handle
[error] InteractiveClientInterface : failed to find all of the interactions' publications and services for [get_interactions]
^CPluginHandler.save_settings() plugin "rocon_remocon/Rqt Remocon#0" raised an exception:
Traceback (most recent call last):
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_handler.py", line 182, in save_settings
    self._save_settings(plugin_settings, instance_settings)
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_handler_direct.py", line 109, in _save_settings
    self.emit_save_settings_completed()
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_handler.py", line 197, in emit_save_settings_completed
    callback(self._instance_id)
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_manager.py", line 426, in _close_application_save_callback
    self._close_application_shutdown_plugins()
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_manager.py", line 433, in _close_application_shutdown_plugins
    self._shutdown_plugin(info['instance_id'], self._close_application_shutdown_callback)
  File "/opt/ros/indigo/lib/python2.7/dist-packages/qt_gui/plugin_manager.py", line 321, in _shutdown_plugin
    handler.close_signal.disconnect(self.unload_plugin)
TypeError: disconnect() failed between 'close_signal' and 'unload_plugin'

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answered 2016-06-11 14:54:29 -0500

130s

10937 ●203 ●339 ●330 http://www.linkedin.co...

From the error output it doesn't seem to be generic ROS issue, but instead application specific one. Maybe asking on the package's forum may get more attention esp. from the developers of the package (although asking on this answers forum is perfectly fine, many developers may not be paying attention).

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answered 2018-11-14 06:00:38 -0500

Oscar Lima

831 ●6 ●30 ●16 https://www.dfki.de/en...

I had this issue on a different custom rqt, the problem is that in the constructor I was calling a service (without timeout) that was not available, therefore the rqt just seemed stuck and with no log info that informed about what was going wrong. So my advice is to check the code inside the rqt constructor and search for blocking functions (such as service calls without timeout).