bash: rosrun: command not found RoboMaker

Question

I'm doing the Hello World tutorial in RoboMaker and I want to visualize my simulation application in Gazebo, and after having runned both the robot application and the simulation application I have typed the following commands:
> $ export DISPLAY=:0

> $ xhost +

> $ docker container ls

> $ docker exec -it elegant_ardinghelli bash

> $ rosrun gazebo_ros gzclient

where "elegant_ardinghelli" is the container name that contains the docker image of the simulation application, but when I run the last command the following error pops up: "bash: rosrun: command not found".

Do you know what could be the source of the error?

Answer

It could be you didn't source the setup.bash file.
Double check that you have a simulation-entrypoint.sh or equivalent file that sources setup.bash and that the file is copied in the Dockerfile for the simulation application.
For more information, see [Creating an image for the simulation application](https://docs.aws.amazon.com/robomaker/latest/dg/run-hello-world-ros.html#ros-gaz-9-simulation-application) in the documentation.

bash: rosrun: command not found RoboMaker

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