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ERROR: Cannot locate node of type [ydlidar_ros_driver_node]

Facts: ROS Melodic ; Ubuntu 18.04 ; YDLidar X2 Commands: roslaunch ydlidarrosdriver X2.launch => ERROR roslaunch-logs

I real can NOT see where is a sign in the log for this error.

[roslaunch][INFO] 2020-12-10 11:21:10,246: Checking log directory for disk usage. Press Ctrl-C to interrupt [roslaunch][INFO] 2020-12-10 11:21:10,261: Done checking log file disk usage. Usage is <1GB. [roslaunch][INFO] 2020-12-10 11:21:10,262: roslaunch starting with args ['roscore', '--core'] [roslaunch][INFO] 2020-12-10 11:21:10,263: roslaunch env is {'ROS_DISTRO': 'melodic', 'MATE_DESKTOP_SESSION_ID': 'this-is-deprecated', 'XDG_GREETER_DATA_DIR': '/var/lib/lightdm-data/robert', 'PKG_CONFIG_PATH': '/opt/ros/melodic/lib/pkgconfig', 'XDG_RUNTIME_DIR': '/run/user/1000', 'XDG_CURRENT_DESKTOP': 'MATE', 'XDG_SESSION_TYPE': 'x11', 'LOGNAME': 'robert', 'USER': 'robert', 'ROS_PACKAGE_PATH': '/home/robert/ydlidar_ws/src:/opt/ros/melodic/share', 'XDG_VTNR': '7', 'HOME': '/home/robert', 'CMAKE_PREFIX_PATH': '/home/robert/ydlidar_ws/devel:/opt/ros/melodic', 'DISPLAY': ':0', 'SSH_AGENT_PID': '1573', 'LANG': 'de_DE.UTF-8', 'MANAGERPID': '1087', 'SHELL': '/bin/bash', 'XDG_SESSION_PATH': '/org/freedesktop/DisplayManager/Session0', 'XAUTHORITY': '/home/robert/.Xauthority', 'JOURNAL_STREAM': '9:31370', 'SESSION_MANAGER': 'local/robert-desktop:@/tmp/.ICE-unix/1166,unix/robert-desktop:/tmp/.ICE-unix/1166', 'XDG_DATA_DIRS': '/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop', 'QT_QPA_PLATFORMTHEME': 'gtk2', 'LD_LIBRARY_PATH': '/home/robert/ydlidar_ws/devel/lib:/opt/ros/melodic/lib', 'QT_ACCESSIBILITY': '1', 'WINDOWID': '46137350', 'GTK_OVERLAY_SCROLLING': '0', 'ROS_LOG_FILENAME': '/home/robert/.ros/log/6c12844a-3ad1-11eb-b69d-b827eb67c271/roslaunch-robert-desktop-3673.log', 'PYTHONPATH': '/opt/ros/melodic/lib/python2.7/dist-packages', 'IM_CONFIG_PHASE': '1', 'ROS_MASTER_URI': 'http://localhost:11311', 'GPG_AGENT_INFO': '/run/user/1000/gnupg/S.gpg-agent:0:1', 'ROS_PYTHON_VERSION': '2', 'INVOCATION_ID': '615ba9b5dc5740b8ac95dda688a52391', 'PATH': '/opt/ros/melodic/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', 'XDG_SESSION_DESKTOP': 'mate', 'ROS_VERSION': '1', 'QT_SCALE_FACTOR': '1', 'SSH_AUTH_SOCK': '/run/user/1000/keyring/ssh', 'TERM': 'xterm', 'ROS_ROOT': '/opt/ros/melodic/share/ros', 'GDMSESSION': 'mate', 'XDG_SEAT_PATH': '/org/freedesktop/DisplayManager/Seat0', 'DBUS_STARTER_BUS_TYPE': 'session', 'LESSOPEN': '| /usr/bin/lesspipe %s', 'XDG_SESSION_ID': 'c1', 'DBUS_SESSION_BUS_ADDRESS': 'unix:path=/run/user/1000/bus,guid=34380618ffb74db3e6d215df5fd1c79c', '_': '/opt/ros/melodic/bin/roscore', 'DESKTOP_SESSION': 'mate', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'GTK_MODULES': 'appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module', 'VTE_VERSION': '5202', 'UBUNTU_MENUPROXY': '1', 'OLDPWD': '/home/robert', 'DBUS_STARTER_ADDRESS': 'unix:path=/run/user/1000/bus,guid=34380618ffb74db3e6d215df5fd1c79c', 'GDM_LANG': 'de_DE', 'LANGUAGE': 'de_DE', 'SHLVL': '1', 'PWD': '/home/robert/Downloads/lidar', 'ROS_ETC_DIR': '/opt/ros/melodic/etc/ros', 'QT_AUTO_SCREEN_SCALE_FACTOR': '0', 'COLORTERM': 'truecolor', 'XDG_CONFIG_DIRS': '/etc/xdg/xdg-mate:/etc/xdg', 'LS_COLORS': 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:', 'XDG_SEAT': 'seat0'} [roslaunch][INFO] 2020-12-10 11:21:10,264: starting in server mode [roslaunch.parent][INFO] 2020-12-10 11:21:10,265: starting roslaunch parent run [roslaunch][INFO] 2020-12-10 11:21:10,266: loading roscore config file /opt/ros/melodic/etc/ros/roscore.xml [roslaunch][INFO] 2020-12-10 11:21:12,877: Added core node of type [rosout/rosout] in namespace [/] [roslaunch.pmon][INFO] 2020-12-10 11:21:12,878: start_process_monitor: creating ProcessMonitor [roslaunch.pmon][INFO] 2020-12-10 11:21:12,878: created process monitor [roslaunch.pmon][INFO] 2020-12-10 11:21:12,879: startprocessmonitor: ProcessMonitor started [roslaunch.parent][INFO] 2020-12-10 11:21:12,880: starting parent XML-RPC server [roslaunch.server][INFO] 2020-12-10 11:21:12,881: starting roslaunch XML-RPC server [roslaunch.server][INFO] 2020-12-10 11:21:12,881: waiting for roslaunch XML-RPC server to initialize [xmlrpc][INFO] 2020-12-10 11:21:12,882: XML-RPC server binding to 0.0.0.0:0 [xmlrpc][INFO] 2020-12-10 11:21:12,883: Started XML-RPC server [http://robert-desktop:43401/] [xmlrpc][INFO] 2020-12-10 11:21:12,884: xml rpc node: starting XML-RPC server [roslaunch][INFO] 2020-12-10 11:21:12,901: started roslaunch server http://robert-desktop:43401/ [roslaunch.parent][INFO] 2020-12-10 11:21:12,903: ... parent XML-RPC server started [roslaunch][INFO] 2020-12-10 11:21:12,904: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:12,909: auto-starting new master [roslaunch][INFO] 2020-12-10 11:21:12,910: createmasterprocess: rosmaster, /opt/ros/melodic/share/ros, 11311, 3, None, False [roslaunch][INFO] 2020-12-10 11:21:12,910: process[master]: launching with args [['rosmaster', '--core', '-p', '11311', '-w', '3']] [roslaunch.pmon][INFO] 2020-12-10 11:21:12,911: ProcessMonitor.register[master] [roslaunch.pmon][INFO] 2020-12-10 11:21:12,911: ProcessMonitor.register[master] complete [roslaunch][INFO] 2020-12-10 11:21:12,912: process[master]: starting os process [roslaunch][INFO] 2020-12-10 11:21:12,912: process[master]: start w/ args [['rosmaster', '--core', '-p', '11311', '-w', '3', 'log:=/home/robert/.ros/log/6c12844a-3ad1-11eb-b69d-b827eb67c271/master.log']] [roslaunch][INFO] 2020-12-10 11:21:12,913: process[master]: cwd will be [/home/robert/.ros] [roslaunch][INFO] 2020-12-10 11:21:12,926: process[master]: started with pid [3683] [roslaunch][INFO] 2020-12-10 11:21:12,927: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,030: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,133: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,235: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,338: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,441: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,543: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,646: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,748: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,851: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:13,954: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:14,056: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:14,159: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:14,169: master.isrunning[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:14,175: ROSMASTERURI=http://robert-desktop:11311/ [roslaunch][INFO] 2020-12-10 11:21:14,181: setting /runid to 6c12844a-3ad1-11eb-b69d-b827eb67c271 [roslaunch][INFO] 2020-12-10 11:21:14,185: setting /roslaunch/uris/hostrobertdesktop43401' to http://robert-desktop:43401/ [roslaunch][INFO] 2020-12-10 11:21:14,198: ... preparing to launch node of type [rosout/rosout] [roslaunch][INFO] 2020-12-10 11:21:14,199: createnodeprocess: package[rosout] type[rosout] machine[Machine(name[] envloader[None] address[localhost] sshport[22] user[None] assignable[True] timeout[10.0])] master_uri[http://robert-desktop:11311/] [roslaunch][INFO] 2020-12-10 11:21:14,200: process[rosout-1]: env[{'ROSDISTRO': 'melodic', 'MATEDESKTOPSESSIONID': 'this-is-deprecated', 'XDGGREETERDATADIR': '/var/lib/lightdm-data/robert', 'COLORTERM': 'truecolor', 'XDGCURRENTDESKTOP': 'MATE', 'XDGSESSIONTYPE': 'x11', 'LOGNAME': 'robert', 'USER': 'robert', 'DBUSSTARTERBUSTYPE': 'session', 'PATH': '/opt/ros/melodic/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin', 'XDGVTNR': '7', 'HOME': '/home/robert', 'CMAKEPREFIXPATH': '/home/robert/ydlidarws/devel:/opt/ros/melodic', 'DISPLAY': ':0', 'SSHAGENTPID': '1573', 'LANG': 'deDE.UTF-8', 'MANAGERPID': '1087', 'SHELL': '/bin/bash', 'XDGSESSIONPATH': '/org/freedesktop/DisplayManager/Session0', 'XAUTHORITY': '/home/robert/.Xauthority', 'JOURNALSTREAM': '9:31370', 'SESSIONMANAGER': 'local/robert-desktop:@/tmp/.ICE-unix/1166,unix/robert-desktop:/tmp/.ICE-unix/1166', 'XDGDATADIRS': '/usr/share/mate:/usr/local/share:/usr/share:/var/lib/snapd/desktop', 'XDGSESSIONID': 'c1', 'QTQPAPLATFORMTHEME': 'gtk2', 'LDLIBRARYPATH': '/home/robert/ydlidarws/devel/lib:/opt/ros/melodic/lib', 'QTACCESSIBILITY': '1', 'WINDOWID': '46137350', 'GTKOVERLAYSCROLLING': '0', 'ROSLOGFILENAME': '/home/robert/.ros/log/6c12844a-3ad1-11eb-b69d-b827eb67c271/roslaunch-robert-desktop-3673.log', 'QTSCALEFACTOR': '1', 'IMCONFIGPHASE': '1', 'ROSETCDIR': '/opt/ros/melodic/etc/ros', 'GPGAGENTINFO': '/run/user/1000/gnupg/S.gpg-agent:0:1', 'ROSPYTHONVERSION': '2', 'INVOCATIONID': '615ba9b5dc5740b8ac95dda688a52391', 'XDGSESSIONDESKTOP': 'mate', 'XDGRUNTIMEDIR': '/run/user/1000', 'PYTHONPATH': '/opt/ros/melodic/lib/python2.7/dist-packages', 'SSHAUTHSOCK': '/run/user/1000/keyring/ssh', 'TERM': 'xterm', 'ROSROOT': '/opt/ros/melodic/share/ros', 'GDMSESSION': 'mate', 'PKGCONFIGPATH': '/opt/ros/melodic/lib/pkgconfig', 'ROSPACKAGEPATH': '/home/robert/ydlidarws/src:/opt/ros/melodic/share', 'LESSOPEN': '| /usr/bin/lesspipe %s', 'XDGSEATPATH': '/org/freedesktop/DisplayManager/Seat0', 'DBUSSESSIONBUSADDRESS': 'unix:path=/run/user/1000/bus,guid=34380618ffb74db3e6d215df5fd1c79c', '': '/opt/ros/melodic/bin/roscore', 'DESKTOPSESSION': 'mate', 'LSCOLORS': 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:.tar=01;31:.tgz=01;31:.arc=01;31:.arj=01;31:.taz=01;31:.lha=01;31:.lz4=01;31:.lzh=01;31:.lzma=01;31:.tlz=01;31:.txz=01;31:.tzo=01;31:.t7z=01;31:.zip=01;31:.z=01;31:.Z=01;31:.dz=01;31:.gz=01;31:.lrz=01;31:.lz=01;31:.lzo=01;31:.xz=01;31:.zst=01;31:.tzst=01;31:.bz2=01;31:.bz=01;31:.tbz=01;31:.tbz2=01;31:.tz=01;31:.deb=01;31:.rpm=01;31:.jar=01;31:.war=01;31:.ear=01;31:.sar=01;31:.rar=01;31:.alz=01;31:.ace=01;31:.zoo=01;31:.cpio=01;31:.7z=01;31:.rz=01;31:.cab=01;31:.wim=01;31:.swm=01;31:.dwm=01;31:.esd=01;31:.jpg=01;35:.jpeg=01;35:.mjpg=01;35:.mjpeg=01;35:.gif=01;35:.bmp=01;35:.pbm=01;35:.pgm=01;35:.ppm=01;35:.tga=01;35:.xbm=01;35:.xpm=01;35:.tif=01;35:.tiff=01;35:.png=01;35:.svg=01;35:.svgz=01;35:.mng=01;35:.pcx=01;35:.mov=01;35:.mpg=01;35:.mpeg=01;35:.m2v=01;35:.mkv=01;35:.webm=01;35:.ogm=01;35:.mp4=01;35:.m4v=01;35:.mp4v=01;35:.vob=01;35:.qt=01;35:.nuv=01;35:.wmv=01;35:.asf=01;35:.rm=01;35:.rmvb=01;35:.flc=01;35:.avi=01;35:.fli=01;35:.flv=01;35:.gl=01;35:.dl=01;35:.xcf=01;35:.xwd=01;35:.yuv=01;35:.cgm=01;35:.emf=01;35:.ogv=01;35:.ogx=01;35:.aac=00;36:.au=00;36:.flac=00;36:.m4a=00;36:.mid=00;36:.midi=00;36:.mka=00;36:.mp3=00;36:.mpc=00;36:.ogg=00;36:.ra=00;36:.wav=00;36:.oga=00;36:.opus=00;36:.spx=00;36:.xspf=00;36:', 'LESSCLOSE': '/usr/bin/lesspipe %s %s', 'GTKMODULES': 'appmenu-gtk-module:gail:atk-bridge:canberra-gtk-module', 'VTEVERSION': '5202', 'UBUNTUMENUPROXY': '1', 'OLDPWD': '/home/robert', 'DBUSSTARTERADDRESS': 'unix:path=/run/user/1000/bus,guid=34380618ffb74db3e6d215df5fd1c79c', 'GDMLANG': 'deDE', 'LANGUAGE': 'deDE', 'SHLVL': '1', 'PWD': '/home/robert/Downloads/lidar', 'ROSMASTERURI': 'http://robert-desktop:11311/', 'QTAUTOSCREENSCALEFACTOR': '0', 'ROSVERSION': '1', 'XDGCONFIGDIRS': '/etc/xdg/xdg-mate:/etc/xdg', 'XDGSEAT': 'seat0'}] [roslaunch][INFO] 2020-12-10 11:21:14,345: process[rosout-1]: args[[u'/opt/ros/melodic/lib/rosout/rosout', u'name:=rosout']] [roslaunch][INFO] 2020-12-10 11:21:14,345: ... created process [rosout-1] [roslaunch.pmon][INFO] 2020-12-10 11:21:14,346: ProcessMonitor.register[rosout-1] [roslaunch.pmon][INFO] 2020-12-10 11:21:14,346: ProcessMonitor.register[rosout-1] complete [roslaunch][INFO] 2020-12-10 11:21:14,347: ... registered process [rosout-1] [roslaunch][INFO] 2020-12-10 11:21:14,347: process[rosout-1]: starting os process [roslaunch][INFO] 2020-12-10 11:21:14,348: process[rosout-1]: start w/ args [[u'/opt/ros/melodic/lib/rosout/rosout', u'name:=rosout', u'log:=/home/robert/.ros/log/6c12844a-3ad1-11eb-b69d-b827eb67c271/rosout-1.log']] [roslaunch][INFO] 2020-12-10 11:21:14,349: process[rosout-1]: cwd will be [/home/robert/.ros] [roslaunch][INFO] 2020-12-10 11:21:14,361: process[rosout-1]: started with pid [3694] [roslaunch][INFO] 2020-12-10 11:21:14,362: ... successfully launched [rosout-1] [roslaunch][INFO] 2020-12-10 11:21:14,364: loadparameters starting ... [roslaunch][INFO] 2020-12-10 11:21:14,380: ... loadparameters complete [roslaunch][INFO] 2020-12-10 11:21:14,381: launchnodes: launching local nodes ... [roslaunch][INFO] 2020-12-10 11:21:14,382: ... launchnodes complete [roslaunch.pmon][INFO] 2020-12-10 11:21:14,382: registrations completed [roslaunch.parent][INFO] 2020-12-10 11:21:14,383: ... roslaunch parent running, waiting for process exit [roslaunch][INFO] 2020-12-10 11:21:14,383: spin robert@robert-desktop:~/.ros/log/6c12844a-3ad1-11eb-b69d-b827eb67c271$

I real appreciate your help and answers...

Asked by Tricia279 on 2020-12-10 07:37:43 UTC

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