Not sure how to upload files:
From copy of terminal used to launch demo: first questionable item
…
. logging to /home/husarion/.ros/log/8e9227a4-8894-11ea-8124-d0c5d3812921/roslaunch-husarion-1339.log
…
- /rplidarNode/in2020-04-27 14:37:07+0000 [-] Log opened.
2020-04-27 14:37:08+0000 [-] Traceback (most recent call last):
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/rosbridge_server/rosbridge_websocket”, line 48, in
2020-04-27 14:37:08+0000 [-] from rosbridge_server import ClientManager
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosbridge_server/init.py”, line 2, in
2020-04-27 14:37:08+0000 [-] from .websocket_handler import RosbridgeWebSocket
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosbridge_server/websocket_handler.py”, line 49, i$
2020-04-27 14:37:08+0000 [-] from rosbridge_library.rosbridge_protocol import RosbridgeProtocol
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosbridge_library/rosbridge_protocol.py”, line 34,$
2020-04-27 14:37:08+0000 [-] from rosbridge_library.protocol import Protocol
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosbridge_library/protocol.py”, line 40, in <modul$
2020-04-27 14:37:08+0000 [-] from rosbridge_library.util import json, bson
2020-04-27 14:37:08+0000 [-] File “/opt/ros/kinetic/lib/python2.7/dist-packages/rosbridge_library/util/init.py”, line 19, in <$
2020-04-27 14:37:08+0000 [-] import bson
2020-04-27 14:37:08+0000 [-] ImportError: No module named bson
^[[0m[ INFO] [1587998229.140079626]: Laser is mounted upwards.^[[0m
-maxUrange 5 -maxUrange 11.99 -sigma 0.05 -kernelSize 1 -lstep 0.05 -lobsGain 3 -astep 0.05
-srr 0.1 -srt 0.2 -str 0.1 -stt 0.2
-linearUpdate 0.2 -angularUpdate 0.1 -resampleThreshold 0.5
-xmin -25 -xmax 25 -ymin -25 -ymax 25 -delta 0.05 -particles 30
^[[0m[ INFO] [1587998229.154961917]: Initialization complete^[[0m
From log referenced in prior log: the reported error message
in nano roslaunch-husarion-1339.log
…
roslaunch][INFO] 2020-04-27 14:37:05,408: … launch_nodes complete
[roslaunch.pmon][INFO] 2020-04-27 14:37:05,408: registrations completed <ProcessMonitor(ProcessMonitor-1, started daemon -1238789008)>
[roslaunch.parent][INFO] 2020-04-27 14:37:05,409: … roslaunch parent running, waiting for process exit
[roslaunch][INFO] 2020-04-27 14:37:05,409: spin
[roslaunch][ERROR] 2020-04-27 14:37:08,737: [rosbridge_websocket-31] process has died [pid 1623, exit code 1, cmd /opt/ros/kinetic/lib/rosbridge_server/r$
log file: /home/husarion/.ros/log/8e9227a4-8894-11ea-8124-d0c5d3812921/rosbridge_websocket-31*.log
[roslaunch.pmon][INFO] 2020-04-27 14:37:08,738: ProcessMonitor.unregister[rosbridge_websocket-31] starting
[roslaunch.pmon][INFO] 2020-04-27 14:37:08,738: ProcessMonitor.unregister[rosbridge_websocket-31] complete
[roslaunch.pmon][INFO] 2020-04-27 14:38:15,745: ProcessMonitor.shutdown <ProcessMonitor(ProcessMonitor-1, started daemon -1238789008)>
[roslaunch.pmon][INFO] 2020-04-27 14:38:15,823: ProcessMonitor._post_run <ProcessMonitor(ProcessMonitor-1, started daemon -1238789008)>
[roslaunch.pmon][INFO] 2020-04-27 14:38:15,824: ProcessMonitor._post_run <ProcessMonitor(ProcessMonitor-1, started daemon -1238789008)>: remaining procs $
[roslaunch.pmon][INFO] 2020-04-27 14:38:15,830: ProcessMonitor exit: killing rosapi-32
[roslaunch][INFO] 2020-04-27 14:38:15,830: [rosapi-32] killing on exit
[roslaunch.pmon][INFO] 2020-04-27 14:38:15,831: ProcessMonitor exit: killing webvideo4-30
[roslaunch][INFO] 2020-04-27 14:38:15,831: [webvideo4-30] killing on exit
The log referenced in the message does not seem to exist:
Opened but not closed ???