安装ros2后由于ros与ros2共存导致source install/setup.bash失败的问题

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@小鱼 啊这，怎么字又大又小，井号注释符也消失了

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@小鱼
jin@jin-virtual-machine:~/桌面/towm_ws$ source install/setup.bash
ROS_DISTRO was set to 'foxy' before. Please make sure that the environment does not mix paths from different distributions.
ROS_DISTRO was set to 'noetic' before. Please make sure that the environment does not mix paths from different distributions.

[小鱼]

@2418760838 建议学一下markdown语法

[小鱼]

@2418760838 打开心终端会提示ros:foxy(1) noetic(2) ?吗?

这个符号看起来很奇怪

1) source  /opt/ros/foxytup.bash;;
2) source  /opt/ros^etictup.bash;;

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@小鱼 会的，然后我输入foxy或者noetic就可以继续了

[2418760838]

@小鱼 好的，我去了解一下

[小鱼]

@2418760838 你应该输入1或者2,而不是版本的名称

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@小鱼 输了1还是一样

[小鱼]

@2418760838 将你的工作空间除src外删除后再次编译

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@小鱼 ！不会报错了！谢谢小鱼老师