使用launch文件启动cart建图报错，日志信息显示queue is full

[追逐我的明天]

在fishbot中使用指令：
ros2 launch fishbot_cartographer cartographer.launch.py
按照源码launch文件出现的问题：在install中找不到executable文件occupancy_grid_node，不能运行。

报错日志：
[ERROR] [launch]: Caught exception in launch (see debug for traceback): executable 'occupancy_grid_node' not found on the libexec directory '/home/gh/d2lros2/fishbot_ws/install/cartographer_ros/lib/cartographer_ros'

将excutable修改成cartographer_occupancy_grid_node后运行报错，能打开rviz、看到节点信息，但是没有内容。
报错日志：
[cartographer_node-1] *** Check failure stack trace: ***
[cartographer_node-1] @ 0x7fc157e74b03 google::LogMessage::Fail()
...
[ERROR] [cartographer_node-1]: process has died [pid 6447, exit code -6, cmd '/home/gh/d2lros2/fishbot_ws/install/cartographer_ros/lib/cartographer_ros/cartographer_node -configuration_directory /home/gh/d2lros2/fishbot_ws/install/fishbot_cartographer/share/fishbot_cartographer/config -configuration_basename fishbot_2d.lua --ros-args -r __node:=cartographer_node --params-file /tmp/launch_params_385e5n3y'].
[rviz2-3] [INFO] [1656686194.581945380] [rviz2]: Message Filter dropping message: frame 'map' at time 0.000 for reason 'discarding message because the queue is full'

[小鱼]

@追逐我的明天 在 Gazebo仿真时遇到问题Message Filter dropping message 中说：

问题报错如下

[rviz2-4] [INFO] [1656707687.122864239] [rviz2]: Message Filter dropping message: frame 'laser_link' at time 4328.021 for reason 'discarding message because the queue is full'

问题来源

tf树上没有节点想要的转，发现是rviz2上的选项选成了map,因为此时还未发布map,改成已有的坐标系即可

建图节点正常启动后改错误也会自行消失。

[小鱼]

此回复已被删除！

[杜守钰]

@追逐我的明天
请问 你是如何解决 这个问题的 ‘按照源码launch文件出现的问题：在install中找不到executable文件occupancy_grid_node，不能运行。‘’’

我有occupancy_grid_node， 但不知道为什么launch file 找不到

[杜守钰]

@杜守钰