rosb笔记：bug时间：环境变量设置问题——“解决 roscd beginner_tutorials 没有此文件的问题”

发表于 | 分类于 |
字数统计 | 阅读时长

bug时间：环境变量设置问题

1
. ~/catkin_ws/devel/setup.bash

解决 roscd beginner_tutorials 没有此文件的问题

1
2
3
4
5
kuo@kuo-Inspiron-7420:~$ roscd beginner_tutorials
roscd: No such package/stack 'beginner_tutorials'
kuo@kuo-Inspiron-7420:~$ . ~/catkin_ws/devel/setup.bash
kuo@kuo-Inspiron-7420:~$ roscd beginner_tutorials
kuo@kuo-Inspiron-7420:~/catkin_ws/src/beginner_tutorials$

2.解决：

1
[ERROR] [1508416151.165397241]: [registerPublisher] Failed to contact master at [localhost:11311].  Retrying...

问题：

1
2
3
4
5
uo@kuo-Inspiron-7420:~$ rosrun beginner_tutorials add_two_ints_server
[rospack] Error: package 'beginner_tutorials' not found
kuo@kuo-Inspiron-7420:~$ . ~/catkin_ws/devel/setup.bash
kuo@kuo-Inspiron-7420:~$ rosrun beginner_tutorials add_two_ints_server
[ERROR] [1508416151.165397241]: [registerPublisher] Failed to contact master at [localhost:11311].  Retrying...

请检查 roscore 是否正常打开。