[ERROR] [1568786222.758840]: Creation of publisher failed: Checksum does not match: 7250c1dc0b61c41

[ERROR] [1568786225.341851]: Tried to publish before configured, topic id 125[ERROR] [1568786225.349380]: Creation of publisher failed: Checksum does not match: 7250c1dc0b61c4190e78f528f599285f,427f77f85da38bc1aa3f65ffb673c94c

[ERROR] [1568786222.758840]: Creation of publisher failed: 
Checksum does not match: 7250c1dc0b61c4190e78f528f599285f,427f77f85da38bc1aa3f65ffb673c94c

[ERROR] [1568786225.341851]: Tried to publish before configured, topic id 125
[ERROR] [1568786225.349380]: Creation of publisher failed: 
Checksum does not match: 7250c1dc0b61c4190e78f528f599285f,427f77f85da38bc1aa3f65ffb673c94c

[ERROR] [1568786227.278131]: Tried to publish before configured, topic id 125
[ WARN] [1568786227.290043265]: Joint state with name: "wheel_left_joint" was received but not found in URDF
[ERROR] [1568786227.301316]: Creation of publisher failed: 
Checksum does not match: 7250c1dc0b61c4190e78f528f599285f,427f77f85da38bc1aa3f65ffb673c94c

[ERROR] [1568786226.709050]: Tried to publish before configured, topic id 125
[ERROR] [1568786226.715054]: Mismatched protocol version in packet: lost sync or rosserial_python is from different ros release than the rosserial client

solved

Looks like you haven’t run message generation through catkin for your custom message package. Or you haven’t added devel/install space into your path.

odroid@odroid:~$ roslaunch hcr_bringup hcr_robot.launch
... logging to /home/odroid/.ros/log/1ea9ec48-d9d9-11e9-a5bd-40a5efdb8f5a/roslaunch-odroid-2796.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

xacro: Traditional processing is deprecated. Switch to --inorder processing!
To check for compatibility of your document, use option --check-order.
For more infos, see http://wiki.ros.org/xacro#Processing_Order
xacro.py is deprecated; please use xacro instead
started roslaunch server http://127.0.0.1:33169/

SUMMARY
========

CLEAR PARAMETERS
 * /cmd_vel_mux/

PARAMETERS
 * /cmd_vel_mux/yaml_cfg_file: /home/odroid/catk...
 * /hcr_core/baud: 115200
 * /hcr_core/port: /dev/opencr
 * /robot_description: <?xml version="1....
 * /robot_state_publisher/publish_frequency: 50.0
 * /rosdistro: kinetic
 * /rosversion: 1.12.14

NODES
  /
    cmd_vel_mux (nodelet/nodelet)
    hcr_core (rosserial_python/serial_node.py)
    hcr_nodelet_manager (nodelet/nodelet)
    robot_state_publisher (robot_state_publisher/robot_state_publisher)

auto-starting new master
process[master]: started with pid [2810]
ROS_MASTER_URI=http://127.0.0.1:11311

setting /run_id to 1ea9ec48-d9d9-11e9-a5bd-40a5efdb8f5a
process[rosout-1]: started with pid [2823]
started core service [/rosout]
process[hcr_core-2]: started with pid [2827]
process[hcr_nodelet_manager-3]: started with pid [2828]
process[cmd_vel_mux-4]: started with pid [2838]
process[robot_state_publisher-5]: started with pid [2844]
[ INFO] [1568786219.875455976]: Loading nodelet /cmd_vel_mux of type yocs_cmd_vel_mux/CmdVelMuxNodelet to manager hcr_nodelet_manager with the following remappings:
[ INFO] [1568786219.875702309]: /cmd_vel_mux/output/cmd_vel -> /cmd_vel
[ INFO] [1568786219.883800226]: waitForService: Service [/hcr_nodelet_manager/load_nodelet] has not been advertised, waiting...
[ INFO] [1568786220.111151059]: waitForService: Service [/hcr_nodelet_manager/load_nodelet] is now available.
[INFO] [1568786220.608074]: ROS Serial Python Node
[INFO] [1568786220.623244]: Connecting to /dev/opencr at 115200 baud

slam

[ WARN] [1568789551.301189145]: MessageFilter [target=odom ]: Dropped 100.00% of messages so far. Please turn the [ros.gmapping.message_notifier] rosconsole logger to DEBUG for more information. [ WARN] [1568789551.606945686]: Timed out waiting for transform from base_footprint to map to become available before running costmap, tf error: canTransform: source_frame base_footprint does not exist.. canTransform returned after 0.100581 timeout was 0.1.

[ERROR] [1568790918.966498266]: Extrapolation Error looking up robot pose: Lookup would require extrapolation into the past.  Requested time 1568790900.564045000 but the earliest data is at time 1568790908.980809223, when looking up transform from frame [base_footprint] to frame [map]

标签：publisher,Checksum,Creation,failed,does,ERROR,match,before
来源： https://blog.csdn.net/qq_35740095/article/details/100981441