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answered 2011-10-08 07:25:04 -0600

joq gravatar image

This is a side-effect of the fact that roslaunch only starts roscore if it was not already running.

In either case, starting roscore first should eliminate the problem:

  • roscore + run A + run B + stop (Ctrl+C) A + run A

  • roscore + run B + run A + stop (Ctrl+C) A + run A