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

 

 

报错如下：

[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： 手动启动的脚本文件引用的topic类型文件，和系统引用的不是同一个，导致MD5值不匹配

脚本文件：

 

引用的类型

 

目录结构

 

 

参考：

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

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

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