Could not process inbound connection: Client [/rostopic_18439_1555659423249] wants topic , ROS md5sums do not match

 

 

報錯如下：

[WARN] [WallTime: 1555659671.447721] Could not process inbound connection: Client [/rostopic_18439_1555659423249] wants topic [/bp_update_feedback] to have datatype/md5sum 
[bp_hdw_driver/bp_update_feedback/0d0edf749cdde9f3dc5639668f40e90b], but our version has [bp_hdw_driver/bp_update_feedback/b795ea8e2679e6d909cee60dd8872404] Dropping conne
ction.{'message_definition': 'string board_name\nuint8 update_state', 'callerid': '/rostopic_18439_1555659423249', 'tcp_nodelay': '0', 'md5sum': '0d0edf749cdde9f3dc5639668
f40e90b', 'topic': '/bp_update_feedback', 'type': 'bp_hdw_driver/bp_update_feedback'}

原因： 手動啟動的腳本文件引用的topic類型文件，和系統引用的不是同一個，導致MD5值不匹配

腳本文件：

 

引用的類型

 

目錄結構

 

 

參考：

https://github.com/RobotWebTools/rosbridge_suite/issues/138

https://github.com/ros/ros_comm/issues/111

https://blog.csdn.net/wangchongttg/article/details/80986012